/* FlowNova Design System — Dual Theme · Precision Engineering Aesthetic */
:root {
    --se-life-green: #3DCD58;
    --se-dark-green: #009530;
    --se-blue: #0087CD;
    --se-amber: #F5A623;
    --se-red: #E53935;

    --font-sans: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'IBM Plex Mono', monospace;
    --radius: 8px;
    --radius-lg: 14px;

    /* Transition orchestration */
    --theme-speed: 0.45s;
    --theme-ease: cubic-bezier(0.4, 0, 0.2, 1);

    /* === LIGHT THEME (default) === */
    --fn-bg: #F4F5F7;
    --fn-surface: #FFFFFF;
    --fn-surface-alt: #F0F1F3;
    --fn-border: #E0E3E8;
    --fn-border-subtle: #EBEDEF;
    --fn-text: #1A2028;
    --fn-text-secondary: #4E5D6C;
    --fn-text-muted: #667282;
    --fn-input-bg: #FFFFFF;
    --fn-input-border: #D0D4DA;
    --fn-overlay: rgba(0,0,0,0.12);
    --fn-node-fill: #FFFFFF;
    --fn-node-ring: #EBEDEF;
    --fn-glow: rgba(61, 205, 88, 0.08);
    --fn-header-bg: #1A2028;
    --fn-header-text: #FFFFFF;
    --fn-bar-bg: #FFFFFF;
    --fn-bar-seg-bg: #F0F1F3;
    --fn-bar-seg-active-bg: var(--se-life-green);
    --fn-bar-seg-active-text: #1A2028;
    --fn-bar-seg-text: #4E5D6C;
    --fn-bar-select-bg: #FFFFFF;
    --fn-bar-select-text: #1A2028;
    --fn-bar-select-border: #D0D4DA;
    --fn-rec-section-title: var(--se-dark-green);
    --fn-item-bg: #F4F5F7;
    --fn-item-border: #EBEDEF;
    --fn-check-bg: #F4F5F7;
    --fn-check-border: #D0D4DA;
    --fn-check-active-bg: rgba(61,205,88,0.08);
    --fn-check-active-border: var(--se-life-green);
    --fn-check-active-text: var(--se-dark-green);
    --fn-sep-color: var(--se-dark-green);
    --fn-sep-line: rgba(0,149,48,0.15);
    --fn-slider-track: #D0D4DA;
    --fn-slider-track-hover: #B0B7C0;
    --fn-slider-value: var(--se-dark-green);
    --fn-shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --fn-shadow-lg: 0 8px 24px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
    --fn-shadow-glow: 0 0 20px rgba(61, 205, 88, 0.06);
    --fn-panel-shadow: -4px 0 20px rgba(0,0,0,0.1);
    --fn-hint-text: #1A2028;
    --fn-wizard-bg: rgba(26,32,40,0.6);
    --fn-wizard-card-bg: #FFFFFF;
    --fn-wizard-card-border: #E0E3E8;
    --fn-wizard-card-hover-bg: rgba(61,205,88,0.04);
    --fn-wizard-title: #1A2028;
    --fn-wizard-desc: #4E5D6C;
    --fn-wizard-icon-filter: none;
    --fn-stepper-bg: #FFFFFF;
    --fn-stepper-border: #D0D4DA;
    --fn-arrow-color: %234E5D6C;
    --fn-building-color: #586574;
    --fn-ev-color: #9C27B0;
    --fn-dot-color: rgba(0,0,0,0.04);
    --fn-rec-header-glow: rgba(61,205,88,0.1);
    --fn-section-anchor-bg: rgba(0,149,48,0.03);
}

/* === DARK THEME === */
[data-theme="dark"] {
    --fn-bg: #141A21;
    --fn-surface: #252D36;
    --fn-surface-alt: rgba(255,255,255,0.04);
    --fn-border: rgba(255,255,255,0.06);
    --fn-border-subtle: rgba(255,255,255,0.04);
    --fn-text: #E8EAED;
    --fn-text-secondary: #B0B7C0;
    --fn-text-muted: #8A95A3;
    --fn-input-bg: rgba(255,255,255,0.06);
    --fn-input-border: rgba(255,255,255,0.1);
    --fn-overlay: rgba(0,0,0,0.4);
    --fn-node-fill: #1E2630;
    --fn-node-ring: rgba(255,255,255,0.08);
    --fn-glow: rgba(61, 205, 88, 0.12);
    --fn-header-bg: #252D36;
    --fn-header-text: #FFFFFF;
    --fn-bar-bg: #252D36;
    --fn-bar-seg-bg: rgba(255,255,255,0.06);
    --fn-bar-seg-active-bg: var(--se-life-green);
    --fn-bar-seg-active-text: #141A21;
    --fn-bar-seg-text: #B0B7C0;
    --fn-bar-select-bg: rgba(255,255,255,0.06);
    --fn-bar-select-text: #E8EAED;
    --fn-bar-select-border: rgba(255,255,255,0.1);
    --fn-rec-section-title: var(--se-life-green);
    --fn-item-bg: rgba(255,255,255,0.04);
    --fn-item-border: rgba(255,255,255,0.04);
    --fn-check-bg: rgba(255,255,255,0.04);
    --fn-check-border: rgba(255,255,255,0.1);
    --fn-check-active-bg: rgba(61,205,88,0.12);
    --fn-check-active-border: var(--se-life-green);
    --fn-check-active-text: var(--se-life-green);
    --fn-sep-color: var(--se-life-green);
    --fn-sep-line: rgba(61,205,88,0.2);
    --fn-slider-track: rgba(255,255,255,0.18);
    --fn-slider-track-hover: rgba(255,255,255,0.25);
    --fn-slider-value: var(--se-life-green);
    --fn-shadow: 0 1px 3px rgba(0,0,0,0.2);
    --fn-shadow-lg: 0 8px 24px rgba(0,0,0,0.3);
    --fn-shadow-glow: 0 0 24px rgba(61, 205, 88, 0.15);
    --fn-panel-shadow: -8px 0 32px rgba(0,0,0,0.4);
    --fn-hint-text: #E8EAED;
    --fn-wizard-bg: rgba(10,14,18,0.88);
    --fn-wizard-card-bg: rgba(255,255,255,0.03);
    --fn-wizard-card-border: rgba(255,255,255,0.08);
    --fn-wizard-card-hover-bg: rgba(61,205,88,0.06);
    --fn-wizard-title: #FFFFFF;
    --fn-wizard-desc: #B0B7C0;
    --fn-wizard-icon-filter: saturate(1.2);
    --fn-stepper-bg: rgba(255,255,255,0.06);
    --fn-stepper-border: rgba(255,255,255,0.15);
    --fn-arrow-color: %23B0B7C0;
    --fn-building-color: #9BA5B0;
    --fn-ev-color: #C06CD0;
    --fn-dot-color: rgba(255,255,255,0.03);
    --fn-rec-header-glow: rgba(61,205,88,0.2);
    --fn-section-anchor-bg: rgba(61,205,88,0.04);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { overflow-x: hidden; }

/* === ORCHESTRATED THEME CROSSFADE === */
body {
    font-family: var(--font-sans);
    background: var(--fn-bg);
    color: var(--fn-text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    padding-top: env(safe-area-inset-top);
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
    transition:
        background var(--theme-speed) var(--theme-ease),
        color var(--theme-speed) var(--theme-ease);
}
/* Theme crossfade for all major surfaces */
.header, .global-bar, .diagram-container, .recommendation,
.detail-panel, .wizard, .rec-header, .rec-section,
.rec-item, .hint, .time-controls, .time-display {
    transition:
        background var(--theme-speed) var(--theme-ease),
        border-color var(--theme-speed) var(--theme-ease),
        box-shadow var(--theme-speed) var(--theme-ease),
        color var(--theme-speed) var(--theme-ease);
}

/* ========== Header ========== */
.header {
    background: linear-gradient(180deg, var(--fn-header-bg) 0%, color-mix(in srgb, var(--fn-header-bg) 92%, black) 100%);
    color: var(--fn-header-text);
    padding: 10px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 2px solid var(--se-life-green);
    box-shadow: 0 2px 12px rgba(0,0,0,0.15), 0 0 24px rgba(61,205,88,0.06);
}
.header-brand { display: flex; align-items: center; gap: 12px; }
.header-logo {
    background: var(--se-life-green);
    color: #0A1A0F;
    font-weight: 800;
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 5px;
    letter-spacing: -0.5px;
    box-shadow: 0 0 12px rgba(61,205,88,0.35), 0 1px 2px rgba(0,0,0,0.2);
}
.header h1 { font-size: 17px; font-weight: 600; letter-spacing: -0.3px; }
.header-actions { display: flex; align-items: center; gap: 10px; }
.header-btn {
    background: transparent; border: 1px solid rgba(255,255,255,0.3);
    color: white; font-size: 16px; padding: 4px 10px; border-radius: 6px;
    cursor: pointer; transition: all 0.2s var(--theme-ease); font-family: var(--font-sans);
}
.header-btn:hover { background: rgba(255,255,255,0.1); border-color: var(--se-life-green); }
.header-btn:active { background: rgba(255,255,255,0.2); transform: scale(0.95); }
.header-badge {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    background: rgba(61,205,88,0.12);
    border: 1px solid rgba(61,205,88,0.2);
    padding: 4px 12px;
    border-radius: 12px;
    color: var(--se-life-green);
}

/* ========== Global Bar — Refined Control Strip ========== */
.global-bar {
    display: flex; align-items: center; gap: 24px;
    padding: 10px 24px; background: var(--fn-bar-bg);
    border-bottom: 1px solid var(--fn-border);
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    max-width: 1440px; margin: 0 auto;
    flex-wrap: wrap;
}
.global-group { display: flex; align-items: center; gap: 8px; }
.global-group > label {
    font-size: 11px; font-weight: 600; color: var(--fn-text-secondary);
    text-transform: uppercase; letter-spacing: 0.5px;
    display: flex; align-items: center; gap: 4px; white-space: nowrap;
}
.global-group .segmented-control { padding: 2px; gap: 2px; background: var(--fn-bar-seg-bg); }
.global-group .seg-btn { padding: 6px 14px; font-size: 12px; color: var(--fn-bar-seg-text); }
.global-group .seg-btn.active { background: var(--fn-bar-seg-active-bg); color: var(--fn-bar-seg-active-text); font-weight: 700; box-shadow: 0 1px 4px rgba(61,205,88,0.25); }
.global-group select {
    width: auto; min-width: 180px; padding: 6px 28px 6px 10px; font-size: 12px;
    background: var(--fn-bar-select-bg); border-color: var(--fn-bar-select-border);
    color: var(--fn-bar-select-text);
}

/* ========== Layout — Dynamic Grid ========== */
.main {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 20px;
    padding: 20px 24px;
    max-width: 1440px;
    margin: 0 auto;
    align-items: start;
    background: var(--fn-bg);
}

/* Tooltip */
.tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--fn-surface-alt);
    color: var(--fn-text-muted);
    font-size: 10px;
    font-weight: 700;
    cursor: help;
    position: relative;
    flex-shrink: 0;
}
.tooltip:hover::after {
    content: attr(data-tip);
    position: absolute;
    bottom: calc(100% + 6px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--fn-header-bg);
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 400;
    line-height: 1.4;
    width: max-content;
    max-width: 260px;
    z-index: 50;
    white-space: normal;
    pointer-events: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}
.tooltip:hover::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 4px solid transparent;
    border-top-color: var(--fn-header-bg);
    z-index: 50;
}
/* Touch: tap toggles tooltip via focus */
@media (hover: none) {
    .tooltip { cursor: pointer; }
    .tooltip:focus::after {
        content: attr(data-tip);
        position: absolute; bottom: calc(100% + 6px); left: 50%;
        transform: translateX(-50%); background: var(--fn-header-bg);
        color: white; padding: 8px 12px; border-radius: 6px;
        font-size: 12px; font-weight: 400; line-height: 1.4;
        width: max-content; max-width: 260px; z-index: 50;
        white-space: normal; box-shadow: 0 4px 12px rgba(0,0,0,0.2);
    }
    .tooltip:focus::before {
        content: ''; position: absolute; bottom: calc(100% + 2px);
        left: 50%; transform: translateX(-50%);
        border: 4px solid transparent; border-top-color: var(--fn-header-bg); z-index: 50;
    }
}

/* ========== Segmented Control (global bar) ========== */
.segmented-control {
    display: flex;
    background: var(--fn-bar-seg-bg);
    border-radius: var(--radius);
    padding: 3px;
    gap: 3px;
}
.seg-btn {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-family: var(--font-sans);
    font-size: 13px;
    font-weight: 500;
    color: var(--fn-text-secondary);
    cursor: pointer;
    transition: all 0.2s var(--theme-ease);
}
.seg-btn.active {
    background: var(--fn-bar-seg-active-bg);
    color: var(--fn-bar-seg-active-text);
    box-shadow: 0 1px 4px rgba(61,205,88,0.2);
    font-weight: 600;
}
.seg-btn:hover:not(.active) { color: var(--fn-text); }
.seg-btn:focus-visible {
    outline: 2px solid var(--se-life-green);
    outline-offset: 2px;
}

/* ========== Stepper (used by panel-stepper-row) ========== */
.stepper-btn {
    width: 32px; height: 32px;
    border: 1px solid var(--fn-stepper-border); background: var(--fn-stepper-bg);
    border-radius: 6px; font-size: 18px; font-weight: 500;
    color: var(--fn-text-secondary); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s; font-family: var(--font-sans);
}
.stepper-btn:hover:not(:disabled) { border-color: var(--se-life-green); color: var(--se-dark-green); }
.stepper-btn:active:not(:disabled) { background: var(--fn-surface-alt); transform: scale(0.95); }
.stepper-btn:disabled { opacity: 0.3; cursor: not-allowed; }
.stepper-btn:focus-visible { outline: 2px solid var(--se-life-green); outline-offset: 2px; }
.stepper-value {
    font-family: var(--font-mono); font-size: 16px;
    font-weight: 600; min-width: 32px; text-align: center;
}
/* ========== Dropdown ========== */
select {
    width: 100%; padding: 8px 12px;
    border: 1px solid var(--fn-input-border); border-radius: 6px;
    font-family: var(--font-sans); font-size: 13px;
    color: var(--fn-text); background: var(--fn-input-bg);
    cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23586574' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center;
    padding-right: 32px;
    transition: border-color 0.2s, box-shadow 0.2s;
}
select:focus {
    outline: none; border-color: var(--se-life-green);
    box-shadow: 0 0 0 2px rgba(61,205,88,0.2);
}

/* ========== Recommendation Card — Premium ========== */
.recommendation {
    position: sticky; top: 60px;
    background: var(--fn-surface); border-radius: var(--radius-lg);
    box-shadow: var(--fn-shadow-lg), 0 0 0 1px var(--fn-border);
    overflow: hidden;
    max-height: calc(100vh - 80px); overflow-y: auto;
    border: none;
    scroll-behavior: smooth;
    scrollbar-width: thin;
    scrollbar-color: rgba(61,205,88,0.4) transparent;
}
.recommendation::-webkit-scrollbar { width: 4px; }
.recommendation::-webkit-scrollbar-track { background: transparent; }
.recommendation::-webkit-scrollbar-thumb { background: var(--se-life-green); border-radius: 2px; }

/* === REC HEADER — Impactful, Prominent === */
.rec-header {
    background: linear-gradient(135deg, var(--se-dark-green) 0%, #006820 40%, #004D15 100%);
    color: white; padding: 24px 22px 20px;
    border-bottom: 1px solid rgba(61, 205, 88, 0.2);
    position: relative; overflow: hidden;
}
.rec-header::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background:
        radial-gradient(ellipse at 85% 20%, rgba(61,205,88,0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 15% 80%, rgba(61,205,88,0.08) 0%, transparent 50%);
    pointer-events: none;
}
.rec-header::after {
    content: '';
    position: absolute;
    top: -2px; right: -2px; bottom: -2px;
    width: 4px;
    background: var(--se-life-green);
    border-radius: 0 var(--radius-lg) 0 0;
    box-shadow: 0 0 16px rgba(61,205,88,0.5);
}
.rec-header.pulse {
    animation: recPulse 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
@keyframes recPulse {
    0% { box-shadow: inset 0 0 0 0 rgba(61,205,88,0); }
    40% { box-shadow: inset 0 0 0 3px rgba(61,205,88,0.6); }
    100% { box-shadow: inset 0 0 0 0 rgba(61,205,88,0); }
}
.rec-title {
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    text-shadow: 0 1px 2px rgba(0,0,0,0.15);
    opacity: 0.7;
    position: relative;
}
.rec-subtitle {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.4px;
    margin-top: 6px;
    font-family: var(--font-sans);
    position: relative;
    line-height: 1.3;
}

/* === REC SECTIONS — Visual Anchors === */
.rec-section {
    padding: 18px 22px; border-bottom: 1px solid var(--fn-border);
    position: relative;
}
.rec-section:last-child { border-bottom: none; }
.rec-section h3 {
    font-size: 11px; font-weight: 700; text-transform: uppercase;
    letter-spacing: 1.2px; color: var(--fn-rec-section-title); margin-bottom: 14px;
    display: flex; align-items: center; gap: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--fn-sep-line);
}
.rec-section h3::before {
    content: ''; width: 6px; height: 6px; border-radius: 2px;
    background: var(--se-life-green); flex-shrink: 0;
    box-shadow: 0 0 8px rgba(61,205,88,0.5);
}

/* Sizing grid */
.rec-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.rec-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.rec-item {
    background: var(--fn-item-bg); border-radius: 10px; padding: 14px 14px 12px;
    border: 1px solid var(--fn-item-border);
    border-left: 3px solid rgba(61,205,88,0.25);
    transition: all 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.rec-item:hover {
    border-color: rgba(61,205,88,0.2);
    border-left-color: var(--se-life-green);
    box-shadow: 0 4px 12px rgba(61,205,88,0.1);
    transform: translateY(-2px);
}
.rec-item-label {
    font-size: 10px; color: var(--fn-text-secondary); margin-bottom: 6px;
    text-transform: uppercase; letter-spacing: 0.7px; font-weight: 600;
}
.rec-item-value {
    font-family: var(--font-mono); font-size: 17px; font-weight: 700;
    color: var(--fn-text); letter-spacing: -0.4px;
}

/* Hints */
.hint {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 12px 14px; border-radius: 10px; font-size: 12px;
    line-height: 1.5; margin-bottom: 8px;
    border-left: 3px solid transparent;
}
.hint-info { border-left-color: var(--se-blue); }
.hint-warning { border-left-color: var(--se-amber); }
.hint-critical { border-left-color: var(--se-red); }
.hint:last-child { margin-bottom: 0; }
.hint-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; margin-top: 4px; }
.hint-info { background: rgba(0,135,205,0.08); color: var(--fn-hint-text); }
.hint-info .hint-dot { background: var(--se-blue); box-shadow: 0 0 6px rgba(0,135,205,0.3); }
.hint-warning { background: rgba(245,166,35,0.1); color: var(--fn-hint-text); }
.hint-warning .hint-dot { background: var(--se-amber); box-shadow: 0 0 6px rgba(245,166,35,0.3); }
.hint-critical { background: rgba(229,57,53,0.1); color: var(--fn-hint-text); }
.hint-critical .hint-dot { background: var(--se-red); box-shadow: 0 0 6px rgba(229,57,53,0.3); }

/* Komponentenliste */
.rec-komponentenliste { list-style: none; font-size: 12px; font-family: var(--font-mono); }
.rec-komponentenliste li {
    padding: 8px 0; color: var(--fn-text); display: flex;
    justify-content: space-between; border-bottom: 1px solid var(--fn-border-subtle);
    transition: all 0.15s;
}
.rec-komponentenliste li:hover { background: var(--fn-surface-alt); margin: 0 -8px; padding: 8px 8px; border-radius: 6px; }
.rec-komponentenliste li:last-child { border-bottom: none; }
.komp-ref { color: var(--fn-text-muted); font-size: 11px; }

/* Auto-suggestions */
.rec-vorschlaege-list:empty { display: none; }
.rec-vorschlaege-list:empty + .rec-section { border-top: none; }
#rec-vorschlaege-section:has(.rec-vorschlaege-list:empty) { display: none; }

/* Warnings empty state */
.rec-warnungen-list:empty::after {
    content: 'Keine Warnungen'; color: var(--fn-text-muted); font-size: 12px;
}

/* ========== Energy Flow Diagram — Premium Container ========== */
.diagram-container {
    background: var(--fn-surface);
    background-image:
        radial-gradient(ellipse at 50% 15%, var(--fn-glow) 0%, transparent 55%),
        radial-gradient(circle, var(--fn-dot-color) 0.6px, transparent 0.6px);
    background-size: 100% 100%, 20px 20px;
    background-position: 0 0, 10px 10px;
    border-radius: var(--radius-lg);
    box-shadow: var(--fn-shadow-lg), var(--fn-shadow-glow);
    padding: 16px 16px 0; position: relative;
    border: 1px solid var(--fn-border);
    display: flex; flex-direction: column;
    min-height: 520px;
}
/* Sparkline chart */
.sparkline-chart {
    width: 100%; height: auto; max-height: 140px;
    border: 1px solid var(--fn-border); border-radius: 6px;
    background: var(--fn-surface-alt); margin-top: 8px;
}

.level3-hint {
    background: rgba(229,57,53,0.08); color: var(--se-red); font-size: 12px; font-weight: 500;
    padding: 8px 14px; border-radius: 8px; border: 1px solid rgba(229,57,53,0.2);
    margin-bottom: 8px; text-align: center;
}
.diagram-hint {
    text-align: center;
    font-size: 12px; color: var(--fn-text-secondary); pointer-events: none;
    transition: opacity 0.4s ease;
    padding: 8px 16px 2px;
    order: 10;
}
.diagram-hint.hidden { opacity: 0; height: 0; padding: 0; overflow: hidden; }
.energy-diagram { width: 100%; height: auto; flex: 1; min-height: 0; }

/* Nav hint: hidden — redundant with diagram-hint, caused text collision */
.diagram-nav-hint { display: none; }

/* === DIAGRAM MICRO-INTERACTIONS — Satisfying Feedback === */
.diagram-container { cursor: default; }
.diagram-container:active { cursor: grabbing; }

/* Nodes: enhanced scale + glow with spring physics */
.energy-diagram .node {
    transition:
        opacity 300ms ease,
        filter 300ms cubic-bezier(0.34, 1.56, 0.64, 1),
        transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
    transform-origin: center;
    cursor: pointer;
}
.energy-diagram .node:hover {
    filter:
        drop-shadow(0 0 16px rgba(61,205,88,0.4))
        drop-shadow(0 4px 8px rgba(0,0,0,0.12));
    transform: scale(1.08);
}
.energy-diagram .node:active {
    filter: drop-shadow(0 0 8px rgba(61,205,88,0.25));
    transform: scale(0.95);
    transition-duration: 100ms;
}
.energy-diagram .node:focus { outline: none; }
.energy-diagram .node:focus-visible {
    outline: 2px solid var(--se-life-green);
    outline-offset: 6px;
    filter: drop-shadow(0 0 12px rgba(61,205,88,0.35));
}
.energy-diagram .node.active-node {
    filter:
        drop-shadow(0 0 16px rgba(61,205,88,0.5))
        drop-shadow(0 0 6px rgba(61,205,88,0.35));
    animation: nodeActivePulse 2.5s ease-in-out infinite;
}
@keyframes nodeActivePulse {
    0%, 100% { filter: drop-shadow(0 0 12px rgba(61,205,88,0.4)); }
    50% { filter: drop-shadow(0 0 22px rgba(61,205,88,0.65)); }
}

/* Flow glow underlay */
.energy-diagram .flow-glow {
    pointer-events: none;
    transition: opacity 500ms ease, stroke-width 500ms ease;
}
/* Flow lines: glow effect + smoother animation */
.energy-diagram .flow-line {
    stroke-linecap: round;
    transition: opacity 400ms ease, stroke-width 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
.energy-diagram .flow-line.active {
    animation: dash-flow 0.8s linear infinite;
    filter: drop-shadow(0 0 4px rgba(61,205,88,0.35));
}
.energy-diagram .flow-line.reverse {
    animation: dash-flow 0.8s linear infinite reverse;
    filter: drop-shadow(0 0 4px rgba(61,205,88,0.35));
}

/* SOC ring: smooth with glow */
.energy-diagram #soc-ring {
    transition: stroke-dasharray 600ms cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 0 6px rgba(61,205,88,0.5));
}

/* === Time Controls — Polished Playback Bar === */
.time-controls {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 16px;
    margin: 0 -16px;
    background: var(--fn-surface-alt);
    background-image: linear-gradient(180deg, var(--fn-border) 0px, transparent 1px);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    border-top: none;
    order: 20;
}
.time-play-btn {
    width: 40px; height: 40px; border: none; border-radius: 50%;
    background: linear-gradient(135deg, var(--se-life-green) 0%, var(--se-dark-green) 100%);
    color: white; font-size: 14px;
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 2px 10px rgba(61,205,88,0.3), 0 0 0 2px rgba(61,205,88,0.1);
    flex-shrink: 0;
}
.time-play-btn:hover { transform: scale(1.12); box-shadow: 0 4px 16px rgba(61,205,88,0.45); }
.time-play-btn:active { transform: scale(0.92); transition-duration: 80ms; }
.time-slider {
    flex: 1; height: 6px; -webkit-appearance: none; appearance: none;
    background: var(--fn-slider-track); border-radius: 3px; outline: none;
    transition: background 0.15s;
}
.time-slider:hover { background: var(--fn-slider-track-hover); }
.time-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
    background: var(--se-life-green); cursor: grab;
    border: 2px solid white; box-shadow: 0 2px 8px rgba(61,205,88,0.35);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
}
.time-slider::-webkit-slider-thumb:hover { transform: scale(1.25); box-shadow: 0 2px 14px rgba(61,205,88,0.5); }
.time-slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.1); }
.time-display {
    font-family: var(--font-mono); font-size: 17px; font-weight: 700;
    color: var(--se-dark-green); min-width: 60px; text-align: center;
    background: rgba(61,205,88,0.08); padding: 6px 14px; border-radius: 8px;
    border: 1px solid rgba(61,205,88,0.15);
    letter-spacing: -0.5px;
}
[data-theme="dark"] .time-display { color: var(--se-life-green); background: rgba(61,205,88,0.12); border-color: rgba(61,205,88,0.2); }
.time-speed {
    width: auto; min-width: 80px; padding: 6px 24px 6px 10px; font-size: 12px;
    border: 1px solid var(--fn-input-border); border-radius: 6px;
    background: var(--fn-input-bg); color: var(--fn-text); appearance: none; cursor: pointer;
    font-family: var(--font-sans);
    background-image: url("data:image/svg+xml,%3Csvg width='8' height='5' viewBox='0 0 8 5' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l3 3 3-3' stroke='%234E5D6C' stroke-width='1.2'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 8px center;
}
[data-theme="dark"] .time-speed {
    background-image: url("data:image/svg+xml,%3Csvg width='8' height='5' viewBox='0 0 8 5' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l3 3 3-3' stroke='%23B0B7C0' stroke-width='1.2'/%3E%3C/svg%3E");
}

@keyframes dash-flow { to { stroke-dashoffset: -24; } }
.energy-diagram .flow-line.active { animation: dash-flow 1s linear infinite; }
.energy-diagram .flow-line.reverse { animation: dash-flow 1s linear infinite reverse; }

/* ========== Backdrop — Refined Blur ========== */
.panel-backdrop {
    position: fixed; inset: 0; background: var(--fn-overlay);
    z-index: 190; opacity: 0; pointer-events: none;
    transition: opacity 0.35s var(--theme-ease);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}
.panel-backdrop.visible { opacity: 1; pointer-events: auto; }

/* ========== Detail Panel — Smooth Spring Physics ========== */
.detail-panel {
    position: fixed; top: 52px; right: -400px; width: 360px;
    max-height: calc(100vh - 60px); background: var(--fn-surface);
    box-shadow: var(--fn-panel-shadow);
    scrollbar-width: thin; scrollbar-color: var(--se-life-green) transparent;
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    overflow-y: auto; z-index: 200;
    border-left: 1px solid var(--fn-border);
    transition: right 0.4s cubic-bezier(0.32, 1.2, 0.5, 1), opacity 0.3s ease;
    opacity: 0;
}
.detail-panel.open { right: 0; opacity: 1; }
.detail-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 16px 20px; border-left: 3px solid var(--se-life-green);
    border-bottom: 1px solid var(--fn-border);
    background: linear-gradient(135deg, var(--fn-glow), transparent 60%);
}
.detail-header h3 { font-size: 16px; font-weight: 600; color: var(--fn-text); }
.detail-close {
    background: none; border: none; font-size: 22px; color: var(--fn-text-secondary);
    cursor: pointer; padding: 4px 8px; border-radius: 4px; line-height: 1;
    transition: all 0.15s;
}
.detail-close:hover { background: var(--fn-surface-alt); color: var(--fn-text); transform: scale(1.1); }
.detail-close:focus-visible { outline: 2px solid var(--se-life-green); outline-offset: 2px; }
.detail-body { padding: 16px 20px; }
.detail-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0; border-bottom: 1px solid var(--fn-border-subtle); font-size: 13px;
}
.detail-row:last-child { border-bottom: none; }
.detail-label { color: var(--fn-text-secondary); }
.detail-value { font-family: var(--font-mono); font-weight: 500; color: var(--fn-text); }
.detail-critical .detail-value { color: var(--se-red); font-weight: 600; }
.detail-warning .detail-value { color: var(--se-amber); font-weight: 600; }
.detail-info .detail-value { color: var(--se-blue); }

/* Panel config zone */
.panel-config-zone { margin-bottom: 0; }
.panel-field { margin-bottom: 12px; }
.panel-field:last-child { margin-bottom: 0; }
.panel-field > label {
    display: block; font-size: 12px; font-weight: 500;
    color: var(--fn-text-secondary); margin-bottom: 4px;
}
.panel-slider-row { display: flex; align-items: center; gap: 10px; }
.panel-slider {
    flex: 1; height: 6px; -webkit-appearance: none; appearance: none;
    background: var(--fn-slider-track); border-radius: 3px; outline: none;
    transition: background 0.15s;
}
.panel-slider:hover { background: var(--fn-slider-track-hover); }
.panel-slider:focus-visible { outline: 2px solid var(--se-life-green); outline-offset: 4px; }
.panel-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%;
    background: var(--se-life-green); cursor: grab;
    border: 2px solid white; box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s;
}
.panel-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2); box-shadow: 0 2px 12px rgba(61,205,88,0.4);
}
.panel-slider::-webkit-slider-thumb:active { cursor: grabbing; transform: scale(1.05); }
.panel-slider::-moz-range-thumb {
    width: 20px; height: 20px; border-radius: 50%;
    background: var(--se-life-green); cursor: grab;
    border: 2px solid white; box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
.panel-slider::-moz-range-thumb:hover { transform: scale(1.15); }
.panel-slider::-moz-range-thumb:active { cursor: grabbing; }
.panel-slider-value {
    font-family: var(--font-mono); font-size: 13px; font-weight: 600;
    min-width: 70px; text-align: right; color: var(--fn-slider-value);
}
.panel-select {
    width: 100%; padding: 6px 10px; border: 1px solid var(--fn-input-border);
    border-radius: 6px; font-family: var(--font-sans); font-size: 12px;
    color: var(--fn-text); background: var(--fn-input-bg);
    cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%23B0B7C0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 10px center; padding-right: 28px;
}
.panel-toggle {
    display: flex; background: var(--fn-bar-seg-bg); border-radius: 6px; padding: 2px; gap: 2px;
}
.panel-toggle-btn {
    flex: 1; padding: 6px 8px; border: none; background: transparent; border-radius: 4px;
    font-family: var(--font-sans); font-size: 12px; font-weight: 500;
    color: var(--fn-text-secondary); cursor: pointer; transition: all 0.15s;
}
.panel-toggle-btn.active {
    background: var(--fn-bar-seg-active-bg); color: var(--fn-bar-seg-active-text);
    box-shadow: none; font-weight: 700;
}
.panel-stepper-row {
    display: flex; align-items: center; gap: 8px;
}
.panel-stepper-row .stepper-btn { width: 36px; height: 36px; font-size: 18px; min-width: 36px; }
.panel-stepper-row .stepper-value { font-size: 16px; min-width: 32px; font-weight: 700; }

/* Panel hint text */
.panel-hint { font-size: 11px; color: var(--fn-text-muted); margin-top: 3px; }

/* Panel checkboxes */
.panel-checkbox-group { display: flex; flex-wrap: wrap; gap: 6px; }
.panel-checkbox {
    display: flex; align-items: center; gap: 4px;
    padding: 4px 10px; font-size: 12px; border-radius: 4px;
    border: 1px solid var(--fn-check-border); background: var(--fn-check-bg);
    cursor: pointer; user-select: none; transition: all 0.15s; color: var(--fn-text-secondary);
}
.panel-checkbox.checked {
    background: var(--fn-check-active-bg); border-color: var(--fn-check-active-border);
    color: var(--fn-check-active-text); font-weight: 600;
}
.panel-checkbox input[type="checkbox"] { accent-color: var(--se-life-green); width: 14px; height: 14px; }

/* Separator between config and results */
.panel-separator {
    display: flex; align-items: center; gap: 10px;
    margin: 18px 0 14px; color: var(--fn-sep-color); font-size: 10px;
    text-transform: uppercase; letter-spacing: 1.5px; font-weight: 700;
}
.panel-separator::before, .panel-separator::after {
    content: ''; flex: 1; height: 1px; background: var(--fn-sep-line);
}

/* Override slider */
.detail-override { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--fn-border); }
.detail-override label {
    display: block; font-size: 12px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
    color: var(--fn-text-secondary); margin-bottom: 8px;
}
.override-slider {
    width: calc(100% - 50px); vertical-align: middle; height: 6px;
    -webkit-appearance: none; appearance: none;
    background: var(--fn-slider-track); border-radius: 3px; outline: none;
}
.override-slider::-webkit-slider-thumb {
    -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
    background: var(--se-life-green); cursor: pointer;
    border: 2px solid white; box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}
.override-value {
    display: inline-block; width: 40px; text-align: right;
    font-family: var(--font-mono); font-weight: 600; font-size: 14px; vertical-align: middle;
}
.override-hint { font-size: 12px; margin-top: 6px; min-height: 18px; }
.override-hint.warning { color: var(--se-amber); }
.override-hint.info { color: var(--se-blue); }
.override-hint.critical { color: var(--se-red); }
.override-row { display: flex; align-items: center; gap: 8px; }
.override-reg { margin-top: 8px; font-size: 12px; font-family: var(--font-mono); }
.override-reg-item { padding: 2px 0; color: var(--fn-text-muted); }

/* ========== Responsive: Tablet (<=1200px) ========== */
@media (max-width: 1200px) and (min-width: 701px) {
    .main { grid-template-columns: 1fr 340px; }
    .recommendation { position: sticky; top: 60px; max-height: calc(100vh - 80px); }
    .global-bar { padding: 8px 16px; gap: 12px; }

    /* Detail panel -> bottom sheet */
    .detail-panel {
        width: 100%; right: 0; bottom: -100vh; top: auto;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        max-height: 75vh;
        transition: bottom 0.4s cubic-bezier(0.32, 1.2, 0.5, 1), opacity 0.3s ease;
    }
    .detail-panel.open { bottom: 0; right: 0; }

    /* Bottom sheet drag handle */
    .detail-panel::before {
        content: '';
        display: block;
        width: 40px; height: 4px;
        background: var(--fn-text-muted);
        border-radius: 2px;
        margin: 10px auto 6px;
        opacity: 0.4;
    }
}

/* ========== Responsive: Mobile (<=700px) — Premium Mobile ========== */
@media (max-width: 700px) {
    .main {
        grid-template-columns: 1fr;
        padding: 12px;
        gap: 16px;
    }
    .recommendation { position: static; max-height: none; }

    /* Header: compact but premium */
    .header { padding: 10px 14px; }
    .header h1 { font-size: 15px; }
    .header-btn {
        min-width: 44px; min-height: 44px; font-size: 18px;
        display: flex; align-items: center; justify-content: center;
        border-radius: 8px;
    }
    .header-badge { display: none; }

    /* Global bar: styled horizontal scroll with fade edges */
    .global-bar {
        padding: 10px 14px; gap: 12px;
        overflow-x: auto; flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        position: relative;
        border-bottom: 1px solid var(--fn-border);
    }
    .global-bar::-webkit-scrollbar { display: none; }
    .global-group { flex-shrink: 0; }
    .global-group .seg-btn { padding: 8px 14px; font-size: 13px; min-height: 36px; }

    /* Diagram: breathing room + better scaling */
    .diagram-container {
        padding: 10px 10px 0;
        border-radius: var(--radius-lg);
        min-height: 340px;
    }
    .diagram-nav-hint { display: none; }
    .diagram-container { touch-action: pan-x pan-y; }

    /* Time controls: better ergonomics */
    .time-controls {
        padding: 10px 12px; gap: 8px;
        margin: 0 -10px;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    .time-play-btn { width: 44px; height: 44px; font-size: 16px; flex-shrink: 0; }
    .time-display { font-size: 15px; min-width: 54px; padding: 6px 8px; }
    .time-speed { min-width: 72px; font-size: 11px; padding: 6px 20px 6px 8px; }

    /* Diagram hint: compact */
    .diagram-hint { font-size: 11px; padding: 4px 8px 2px; }

    /* Rec card: visual anchors + breathing room */
    .rec-section { padding: 16px 14px; }
    .rec-section h3 {
        font-size: 10px;
        letter-spacing: 1.4px;
        position: sticky;
        top: 0;
        background: var(--fn-surface);
        z-index: 1;
        padding: 10px 0 8px;
        margin: -4px 0 12px;
        border-bottom: 1px solid var(--fn-sep-line);
    }
    .rec-grid { gap: 6px; }
    .rec-item { padding: 12px 10px 10px; }
    .rec-item-value { font-size: 15px; }
    .rec-title { font-size: 11px; letter-spacing: 1.2px; }
    .rec-subtitle { font-size: 17px; }
    .rec-header { padding: 18px 14px 16px; }

    /* Bottom sheet: larger for mobile */
    .detail-panel { max-height: 85vh; }

    /* Panel inputs: larger touch targets */
    .panel-stepper-row .stepper-btn { width: 44px; height: 44px; font-size: 20px; min-width: 44px; }
    .panel-slider::-webkit-slider-thumb { width: 24px; height: 24px; }
    .panel-checkbox { padding: 8px 12px; font-size: 13px; min-height: 44px; }

    /* Wizard: premium bottom sheet */
    .wizard-overlay { align-items: flex-end; }
    .wizard {
        padding: 24px 16px calc(20px + env(safe-area-inset-bottom)); width: 100%;
        max-height: 92vh; overflow-y: auto;
        border-radius: 20px 20px 0 0;
        animation: wizardSlideUpMobile 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        -webkit-overflow-scrolling: touch;
    }
    .wizard::before {
        content: ''; display: block;
        width: 36px; height: 4px; background: var(--fn-text-muted);
        border-radius: 2px; margin: 0 auto 16px; opacity: 0.3;
    }
    @keyframes wizardSlideUpMobile { from { transform: translateY(100%); } to { transform: translateY(0); } }
    .wizard-header { margin-bottom: 18px; }
    .wizard-header h2 { font-size: 20px; }
    .wizard-header p { font-size: 13px; line-height: 1.5; }
    .wizard-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .wizard-card { padding: 18px 12px 16px; min-height: 110px; border-radius: 12px; }
    .wizard-icon { font-size: 30px; }
    .wizard-title { font-size: 13px; }
    .wizard-desc { font-size: 11px; line-height: 1.4; }
}

/* ========== Responsive: Small phone (<=380px) ========== */
@media (max-width: 380px) {
    .header h1 { font-size: 13px; letter-spacing: -0.5px; }
    .main { padding: 8px 6px; }
    .rec-grid { grid-template-columns: 1fr; }
    .rec-grid-3 { grid-template-columns: 1fr 1fr; }
    .wizard-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
    .diagram-container { min-height: 300px; }
}

/* ========== Responsive: Landscape mobile ========== */
@media (max-height: 500px) and (orientation: landscape) {
    .main { grid-template-columns: 1fr 320px; }
    .recommendation { position: sticky; top: 52px; max-height: calc(100vh - 60px); }
    .wizard { max-width: 95vw; max-height: 90vh; overflow-y: auto; padding: 20px; }
    .wizard-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .wizard-card { padding: 12px 8px 10px; }
    .wizard-icon { font-size: 24px; margin-bottom: 6px; }
    .detail-panel { max-height: 100vh; width: 50%; right: -50%; bottom: auto; top: 52px; border-radius: var(--radius-lg) 0 0 var(--radius-lg); }
    .detail-panel.open { right: 0; bottom: auto; }
}

/* ========== Print Button ========== */
.print-btn {
    position: absolute; top: 10px; right: 10px; z-index: 2;
    background: rgba(255,255,255,0.15); border: none; border-radius: 6px;
    color: white; font-size: 16px; padding: 6px 10px; cursor: pointer;
    opacity: 0.6; transition: opacity 0.15s, transform 0.15s;
    backdrop-filter: blur(4px);
}
.print-btn:hover { opacity: 1; transform: scale(1.1); }
.recommendation { position: relative; }

/* ========== Print Styles — Professional Layout ========== */
@media print {
    @page {
        size: A4;
        margin: 15mm 12mm;
    }
    body {
        background: white !important; font-size: 11px; color: #1A2028 !important;
        padding: 0; margin: 0;
    }
    .header { display: none !important; }
    .global-bar { display: none !important; }
    .panel-backdrop, .detail-panel, .print-btn, .diagram-hint, .level3-hint,
    .wizard-overlay, .time-controls, .diagram-nav-hint { display: none !important; }

    .main {
        display: block; padding: 0; max-width: none;
    }

    /* Show diagram in print */
    .diagram-container {
        background: white !important;
        box-shadow: none !important;
        border: 1px solid #D0D4DA !important;
        border-radius: 8px !important;
        padding: 8px !important;
        margin-bottom: 16px !important;
        min-height: auto !important;
        page-break-inside: avoid;
    }
    .energy-diagram {
        max-height: 280px !important;
    }

    .recommendation {
        position: static; max-height: none; overflow: visible;
        box-shadow: none; border: 1px solid #D0D4DA; width: 100%;
        border-radius: 8px;
    }
    .rec-header {
        background: #009530 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact;
        padding: 14px 16px !important;
    }
    .rec-title { font-size: 10px !important; }
    .rec-subtitle { font-size: 16px !important; }
    .rec-section { padding: 12px 16px !important; page-break-inside: avoid; }
    .rec-section h3 { position: static !important; background: none !important; }
    .rec-item { border: 1px solid #E0E3E8 !important; }
    .hint-dot, .hint-info, .hint-warning, .hint-critical { -webkit-print-color-adjust: exact; print-color-adjust: exact; }

    /* Print header */
    .main::before {
        content: 'FlowNova — Energiefluss-Simulation';
        display: block;
        font-size: 18px; font-weight: 700; color: #009530;
        margin-bottom: 12px;
        padding-bottom: 8px;
        border-bottom: 2px solid #3DCD58;
        font-family: 'IBM Plex Sans', sans-serif;
    }
}

/* ========== Wizard — Memorable First Impression ========== */
.wizard-overlay {
    position: fixed; inset: 0; z-index: 200;
    background: var(--fn-wizard-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex; align-items: center; justify-content: center;
    animation: wizardFadeIn 0.4s ease;
}
.wizard-overlay.hidden { display: none; }
@keyframes wizardFadeIn { from { opacity: 0; } to { opacity: 1; } }

.wizard {
    background: var(--fn-surface);
    border-radius: 20px;
    box-shadow: 0 24px 80px rgba(0,0,0,0.25), var(--fn-shadow-glow), 0 0 0 1px var(--fn-border);
    max-width: 860px;
    width: 95%;
    padding: 44px 40px 36px;
    animation: wizardSlideUp 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}
/* Decorative gradient accent on wizard */
.wizard::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, var(--se-dark-green), var(--se-life-green), var(--se-dark-green));
    border-radius: 20px 20px 0 0;
}
@keyframes wizardSlideUp { from { opacity: 0; transform: translateY(40px) scale(0.97); } to { opacity: 1; transform: translateY(0) scale(1); } }

.wizard-header { text-align: center; margin-bottom: 36px; }
.wizard-header h2 {
    font-size: 26px; font-weight: 700; color: var(--fn-wizard-title);
    margin-bottom: 10px; letter-spacing: -0.5px;
}
.wizard-header p { font-size: 14px; color: var(--fn-wizard-desc); line-height: 1.5; }

.wizard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
@media (max-width: 700px) { .wizard-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 10px; } }
@media (max-width: 380px) { .wizard-grid { grid-template-columns: 1fr 1fr !important; gap: 8px; } }
.wizard-card {
    display: flex; flex-direction: column; align-items: center;
    padding: 24px 14px 20px;
    border: 1px solid var(--fn-wizard-card-border);
    border-radius: 14px;
    background: var(--fn-wizard-card-bg);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
    text-align: center;
    font-family: var(--font-sans);
    opacity: 0; transform: translateY(20px);
    animation: wizardCardIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    position: relative;
}
.wizard-card:nth-child(1) { animation-delay: 0.08s; }
.wizard-card:nth-child(2) { animation-delay: 0.14s; }
.wizard-card:nth-child(3) { animation-delay: 0.20s; }
.wizard-card:nth-child(4) { animation-delay: 0.26s; }
.wizard-card:nth-child(5) { animation-delay: 0.32s; }
.wizard-card:nth-child(6) { animation-delay: 0.38s; }
.wizard-card:nth-child(7) { animation-delay: 0.44s; }
.wizard-card:nth-child(8) { animation-delay: 0.50s; }
@keyframes wizardCardIn {
    to { opacity: 1; transform: translateY(0); }
}
.wizard-card:hover {
    border-color: var(--se-life-green);
    background: var(--fn-wizard-card-hover-bg);
    box-shadow: 0 12px 36px rgba(61, 205, 88, 0.2), 0 0 0 1px rgba(61, 205, 88, 0.3);
    transform: translateY(-6px) scale(1.02);
}
.wizard-card:active { transform: translateY(-2px) scale(1.0); transition-duration: 100ms; }
.wizard-card:focus-visible { outline: 2px solid var(--se-life-green); outline-offset: 2px; }

.wizard-icon {
    font-size: 40px; margin-bottom: 14px; display: block; line-height: 1;
    filter: var(--fn-wizard-icon-filter);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.wizard-card:hover .wizard-icon { transform: scale(1.15) rotate(-3deg); }
.wizard-title { font-size: 14px; font-weight: 700; color: var(--fn-wizard-title); margin-bottom: 6px; letter-spacing: -0.2px; }
.wizard-desc { font-size: 12px; color: var(--fn-wizard-desc); line-height: 1.45; }

.wizard-card-custom { border-style: dashed; border-color: var(--fn-border); }
.wizard-card-custom:hover { border-color: var(--fn-text-muted); background: var(--fn-surface-alt); box-shadow: var(--fn-shadow-lg); }

/* ========== Utilities ========== */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type="number"] { -moz-appearance: textfield; }