/* ================================================================
   ADMIN PANEL v4.0.0 — Glassmorphism Premium

   Datei: fe-auslastungsmonitor/assets/admin.css
   Wird von Dash automatisch geladen.

   Fonts: DM Sans + JetBrains Mono (Fallback auf System-Fonts)

   BREAKPOINTS:
     4K+      : 1600px+  → Breiteres Grid, mehr Padding
     Desktop  : Standard → 3-spaltig, 32px Padding
     Laptop   : ≤1200px  → Kompaktere Cards
     Tablet   : ≤960px   → 2-spaltig
     Mobile   : ≤680px   → 1-spaltig, vereinfacht
     Phone    : ≤420px   → Minimum Sizes
   ================================================================ */

/* === FONT IMPORT (optional, Fallback vorhanden) === */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,700&family=JetBrains+Mono:wght@400;600&display=swap');


/* ================================================================
   CSS CUSTOM PROPERTIES — DARK MODE (Default)
   ================================================================ */
:root {
    /* Accent */
    --admin-accent: #E1001A;
    --admin-accent-rgb: 225, 0, 26;
    --admin-accent-soft: rgba(225, 0, 26, 0.08);
    --admin-accent-glow: rgba(225, 0, 26, 0.12);
    --admin-accent-glow-strong: rgba(225, 0, 26, 0.25);

    /* Backgrounds */
    --admin-bg-card: rgba(255, 255, 255, 0.03);
    --admin-bg-card-hover: rgba(255, 255, 255, 0.06);
    --admin-bg-icon: rgba(225, 0, 26, 0.08);
    --admin-bg-icon-hover: rgba(225, 0, 26, 0.15);

    /* Borders */
    --admin-border: rgba(255, 255, 255, 0.06);
    --admin-border-hover: rgba(225, 0, 26, 0.3);
    --admin-border-icon: rgba(225, 0, 26, 0.08);
    --admin-border-icon-hover: rgba(225, 0, 26, 0.15);

    /* Text */
    --admin-text-primary: #f0f1f5;
    --admin-text-secondary: rgba(255, 255, 255, 0.5);
    --admin-text-muted: rgba(255, 255, 255, 0.28);

    /* Shadows */
    --admin-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
    --admin-shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.3),
                          0 0 40px rgba(225, 0, 26, 0.08);

    /* Search */
    --admin-search-bg: rgba(255, 255, 255, 0.04);
    --admin-search-bg-focus: rgba(255, 255, 255, 0.07);

    /* Noise */
    --admin-noise-opacity: 0.015;

    /* Layout */
    --admin-card-radius: 24px;
    --admin-card-padding: 32px;
    --admin-grid-gap: 24px;
    --admin-page-padding-top: 48px;
    --admin-page-padding-bottom: 64px;
    --admin-page-padding-x: 32px;

    /* Typography */
    --admin-font: 'DM Sans', -apple-system, 'Segoe UI', system-ui, sans-serif;
    --admin-font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}


/* ================================================================
   CSS CUSTOM PROPERTIES — LIGHT MODE
   ================================================================ */
[data-mantine-color-scheme="light"] {
    --admin-bg-card: rgba(255, 255, 255, 0.7);
    --admin-bg-card-hover: rgba(255, 255, 255, 0.85);
    --admin-bg-icon: rgba(225, 0, 26, 0.06);
    --admin-bg-icon-hover: rgba(225, 0, 26, 0.12);

    --admin-border: rgba(0, 0, 0, 0.06);
    --admin-border-hover: rgba(225, 0, 26, 0.25);
    --admin-border-icon: rgba(225, 0, 26, 0.06);
    --admin-border-icon-hover: rgba(225, 0, 26, 0.12);

    --admin-text-primary: #1a1d23;
    --admin-text-secondary: rgba(0, 0, 0, 0.5);
    --admin-text-muted: rgba(0, 0, 0, 0.25);

    --admin-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
    --admin-shadow-hover: 0 20px 60px rgba(0, 0, 0, 0.08),
                          0 0 40px rgba(225, 0, 26, 0.06);

    --admin-search-bg: rgba(0, 0, 0, 0.03);
    --admin-search-bg-focus: rgba(255, 255, 255, 0.9);

    --admin-noise-opacity: 0.008;
}


/* ================================================================
   ANIMATIONS
   ================================================================ */
@keyframes adminCardReveal {
    from {
        opacity: 0;
        transform: translateY(28px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes adminHeaderSlide {
    from {
        opacity: 0;
        transform: translateY(-16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes adminAccentLine {
    from { transform: scaleX(0); }
    to   { transform: scaleX(1); }
}


/* ================================================================
   PAGE CONTAINER
   ================================================================ */
.admin-page {
    padding-top: var(--admin-page-padding-top);
    padding-bottom: var(--admin-page-padding-bottom);
    min-height: 60vh;
    position: relative;
    font-family: var(--admin-font);
}

/* Noise Texture Overlay */
.admin-page::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='1'/%3E%3C/svg%3E");
    opacity: var(--admin-noise-opacity);
    pointer-events: none;
    z-index: 0;
}


/* ================================================================
   SECTION HEADER
   ================================================================ */
.admin-section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 36px;
    gap: 16px;
    flex-wrap: wrap;
    animation: adminHeaderSlide 0.5s ease-out 0.1s both;
    position: relative;
    z-index: 1;
}

.admin-section-title-area {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.admin-section-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: var(--admin-bg-icon);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.admin-section-title {
    font-family: var(--admin-font);
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--admin-text-primary);
}

.admin-section-sub {
    font-size: 14px;
    color: var(--admin-text-secondary);
    margin-top: 4px;
}


/* ================================================================
   SEARCH INPUT
   ================================================================ */
.admin-search-wrapper {
    flex-shrink: 0;
}

.admin-search-input input {
    width: 220px;
    background: var(--admin-search-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--admin-border) !important;
    border-radius: 100px !important;
    font-size: 13px !important;
    font-family: var(--admin-font) !important;
    color: var(--admin-text-primary) !important;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1) !important;
}

.admin-search-input input::placeholder {
    color: var(--admin-text-muted) !important;
}

.admin-search-input input:focus {
    width: 280px;
    background: var(--admin-search-bg-focus) !important;
    border-color: rgba(var(--admin-accent-rgb), 0.3) !important;
    box-shadow: 0 0 0 4px rgba(var(--admin-accent-rgb), 0.06) !important;
}


/* ================================================================
   GLASS CARD
   ================================================================ */
.admin-glass-card {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: var(--admin-card-padding);
    border-radius: var(--admin-card-radius);
    background: var(--admin-bg-card);
    backdrop-filter: blur(12px) saturate(1.1);
    -webkit-backdrop-filter: blur(12px) saturate(1.1);
    border: 1px solid var(--admin-border);
    box-shadow: var(--admin-shadow);
    cursor: pointer;
    overflow: hidden;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
                box-shadow 0.4s ease,
                border-color 0.4s ease,
                background 0.4s ease;
    animation: adminCardReveal 0.6s ease-out both;
}

/* Staggered Delays */
.admin-card-0 { animation-delay: 0.10s; }
.admin-card-1 { animation-delay: 0.17s; }
.admin-card-2 { animation-delay: 0.24s; }
.admin-card-3 { animation-delay: 0.31s; }
.admin-card-4 { animation-delay: 0.38s; }
.admin-card-5 { animation-delay: 0.45s; }


/* === Card Hover === */
.admin-glass-card:hover {
    transform: translateY(-6px);
    background: var(--admin-bg-card-hover);
    border-color: var(--admin-border-hover);
    box-shadow: var(--admin-shadow-hover);
}


/* ================================================================
   CARD LAYERS
   ================================================================ */

/* Red Glow (behind card content) */
.admin-card-glow {
    position: absolute;
    inset: -40px;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(var(--admin-accent-rgb), 0.12),
        transparent 70%
    );
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    z-index: 0;
}
.admin-glass-card:hover .admin-card-glow {
    opacity: 1;
}

/* Border Shimmer (diagonal gradient highlight) */
.admin-card-border-highlight {
    position: absolute;
    inset: 0;
    border-radius: var(--admin-card-radius);
    border: 1px solid transparent;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.08),
        transparent 40%,
        transparent 60%,
        rgba(255, 255, 255, 0.04)
    ) border-box;
    -webkit-mask:
        linear-gradient(#fff 0 0) padding-box,
        linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 0.3s ease;
    z-index: 1;
}
.admin-glass-card:hover .admin-card-border-highlight {
    opacity: 1;
}

[data-mantine-color-scheme="light"] .admin-card-border-highlight {
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.6),
        transparent 40%,
        transparent 60%,
        rgba(255, 255, 255, 0.3)
    ) border-box;
}


/* ================================================================
   CARD CONTENT
   ================================================================ */
.admin-card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    flex: 1;
}

/* Top Row: Icon + Arrow */
.admin-card-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
}

/* Icon */
.admin-card-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    background: var(--admin-bg-icon);
    border: 1px solid var(--admin-border-icon);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}
.admin-glass-card:hover .admin-card-icon {
    background: var(--admin-bg-icon-hover);
    transform: scale(1.06);
    border-color: var(--admin-border-icon-hover);
    box-shadow: 0 4px 20px rgba(var(--admin-accent-rgb), 0.12);
}

/* Arrow */
.admin-card-arrow {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-text-muted);
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.admin-glass-card:hover .admin-card-arrow {
    color: var(--admin-accent);
    background: var(--admin-accent-soft);
    transform: translateX(4px);
}


/* ================================================================
   CARD TYPOGRAPHY
   ================================================================ */
.admin-card-title {
    font-family: var(--admin-font);
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.01em;
    line-height: 1.3;
    margin-bottom: 8px;
    color: var(--admin-text-primary);
}

.admin-card-desc {
    font-family: var(--admin-font);
    font-size: 14px;
    line-height: 1.6;
    color: var(--admin-text-secondary);
    flex: 1;
    min-height: 44px;
}


/* ================================================================
   ACCENT LINE + DOT
   ================================================================ */
.admin-accent-line {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 24px;
}

.admin-accent-bar {
    height: 2px;
    width: 32px;
    border-radius: 1px;
    background: var(--admin-accent);
    transition: width 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}
.admin-glass-card:hover .admin-accent-bar {
    width: 56px;
}

.admin-accent-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: rgba(var(--admin-accent-rgb), 0.3);
    opacity: 0;
    transition: opacity 0.3s ease 0.1s;
}
.admin-glass-card:hover .admin-accent-dot {
    opacity: 1;
}


/* ================================================================
   FOOTER
   ================================================================ */
.admin-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 48px;
    animation: adminCardReveal 0.5s ease-out 0.6s both;
    position: relative;
    z-index: 1;
}

.admin-footer-text {
    font-family: var(--admin-font-mono);
    font-size: 12px;
    color: var(--admin-text-muted);
    letter-spacing: 0.3px;
}

.admin-footer-line {
    width: 40px;
    height: 1px;
    background: var(--admin-border);
}


/* ================================================================
   EMPTY STATE
   ================================================================ */
.admin-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 80px 20px;
    animation: adminCardReveal 0.5s ease-out both;
    position: relative;
    z-index: 1;
}

.admin-empty-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: var(--admin-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.admin-empty-text {
    font-family: var(--admin-font);
    font-size: 16px;
    color: var(--admin-text-secondary);
    text-align: center;
}


/* ================================================================
   RESPONSIVE — 4K+ (1600px+)
   ================================================================ */
@media (min-width: 1600px) {
    .admin-page {
        --admin-page-padding-top: 56px;
        --admin-page-padding-bottom: 80px;
        --admin-grid-gap: 28px;
        --admin-card-padding: 36px;
    }
    .admin-section-title {
        font-size: 32px;
    }
}


/* ================================================================
   RESPONSIVE — Laptop (≤1200px)
   ================================================================ */
@media (max-width: 1200px) {
    .admin-page {
        --admin-grid-gap: 20px;
        --admin-card-padding: 28px;
    }
}


/* ================================================================
   RESPONSIVE — Tablet (≤960px)
   ================================================================ */
@media (max-width: 960px) {
    .admin-page {
        --admin-page-padding-top: 36px;
        --admin-page-padding-bottom: 48px;
        --admin-page-padding-x: 24px;
    }
    .admin-section-title {
        font-size: 24px;
    }
    .admin-search-input input {
        width: 180px;
    }
    .admin-search-input input:focus {
        width: 220px;
    }
}


/* ================================================================
   RESPONSIVE — Mobile (≤680px)
   ================================================================ */
@media (max-width: 680px) {
    .admin-page {
        --admin-page-padding-top: 28px;
        --admin-page-padding-bottom: 40px;
        --admin-page-padding-x: 16px;
        --admin-card-padding: 24px;
        --admin-card-radius: 20px;
    }
    .admin-section-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .admin-section-title {
        font-size: 22px;
    }
    .admin-search-wrapper {
        width: 100%;
    }
    .admin-search-input,
    .admin-search-input input,
    .admin-search-input input:focus {
        width: 100% !important;
    }
}


/* ================================================================
   RESPONSIVE — Small Phone (≤420px)
   ================================================================ */
@media (max-width: 420px) {
    .admin-section-icon {
        width: 40px;
        height: 40px;
        border-radius: 12px;
    }
    .admin-card-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
    }
    .admin-card-title {
        font-size: 16px;
    }
    .admin-card-desc {
        font-size: 13px;
    }
}