/* ====================================================
   1. CSS VARIABLEN & THEMES
   ==================================================== */

/* 📸 FUTURE TIMES */
:root, body.theme-foto {
    --bg-body: #D3D3CD;
    --bg-sidebar: #2C302E;
    --bg-card: #E2E2DC;
    --text-main: #2C302E;
    --text-muted: #5B665E; /* Tannengrün */
    --sidebar-text: #E2E2DC;
    --border-color: #CFCFC8;

    --accent-main: #517C82; /* Petrol */
    --btn-blue: #517C82;
    --btn-blue-hover: #3e6065;
    --btn-green: #D5E36D;   /* Akzent Grün (Lime) */
    --btn-green-hover: #b8c45d;
    --btn-green-text: #2C302E; /* Dunkles Tannengrün für Lesbarkeit */
    --btn-gray: #A3A39B;
    --btn-gray-text: #2C302E;

    --lila-baby: #B3B9EB; /* Für das Dashboard Radar & Icons */
    --icon-orange: #D98C5A; /* Gedämpftes Orange für das Benutzer-Icon */

    /* Verhaltens-Skala (sehr gut → nicht genügend), gedämpft für helle Themes */
    --beh-1-bg: #DCEFE2; --beh-1-fg: #3E9B6B;
    --beh-2-bg: #E1EFEA; --beh-2-fg: #3FA88F;
    --beh-3-bg: #F5EDD6; --beh-3-fg: #C99A3C;
    --beh-4-bg: #F5E4D4; --beh-4-fg: #CC7E48;
    --beh-5-bg: #F3DEDC; --beh-5-fg: #BC5149;

    /* ── Erweiterte Palette (Pill-Slots 1–12) ── */
    --pp1:linear-gradient(135deg,#517C82,#3D5F65); --pp1d:#3D5F65;
    --pp2:linear-gradient(135deg,#8890B8,#6870A4); --pp2d:#6870A4;
    --pp3:linear-gradient(135deg,#C97A6B,#B06050); --pp3d:#B06050;
    --pp4:linear-gradient(135deg,#5A8E95,#3F7078); --pp4d:#3F7078;
    --pp5:linear-gradient(135deg,#C6C94E,#9EA232); --pp5d:#9EA232;
    --pp6:linear-gradient(135deg,#967394,#784A7A); --pp6d:#784A7A;
    --pp7:linear-gradient(135deg,#89AABB,#6690A8); --pp7d:#6690A8;
    --pp8:linear-gradient(135deg,#3A4045,#252C30); --pp8d:#252C30;
    --pp9:linear-gradient(135deg,#4E7A5E,#365745); --pp9d:#365745;
    --pp10:linear-gradient(135deg,#C09052,#9A7238); --pp10d:#9A7238;
    --pp11:linear-gradient(135deg,#6BA490,#507C6C); --pp11d:#507C6C;
    --pp12:linear-gradient(135deg,#B8A892,#9C8A74); --pp12d:#9C8A74;
}

/* 🌙 DARK MODE (Edel, reduziert, gedämpftes Nachtblau) */
body.theme-dark {
    --bg-body: #0F141B;
    --bg-sidebar: #151B24;
    --bg-card: #1A212C;
    --text-main: #C9D1DB;
    --text-muted: #79858F;
    --sidebar-text: #DBE2EA;
    --border-color: #28323F;

    --accent-main: #5E9DB5;
    --btn-blue: #5E9DB5;
    --btn-blue-hover: #4F8699;
    --btn-green: #6FAE92;
    --btn-green-hover: #5C9379;
    --btn-green-text: #0F141B;
    --btn-gray: #3A4655;
    --btn-gray-text: #9AA6B3;

    --lila-baby: #8B92C4;
    --icon-orange: #D69A6E;

    /* Verhaltens-Skala — dunkle Panels mit gedämpften Akzenten */
    --beh-1-bg: #1B2A22; --beh-1-fg: #6FBF92;
    --beh-2-bg: #1A2A28; --beh-2-fg: #5FB5A2;
    --beh-3-bg: #2A2820; --beh-3-fg: #C9A85E;
    --beh-4-bg: #2B241C; --beh-4-fg: #CE9367;
    --beh-5-bg: #2C201F; --beh-5-fg: #C97A72;

    /* ── Erweiterte Palette (Pill-Slots 1–12) ── */
    --pp1:linear-gradient(135deg,#4A82A0,#305E78); --pp1d:#305E78;
    --pp2:linear-gradient(135deg,#7B83C0,#5C65A8); --pp2d:#5C65A8;
    --pp3:linear-gradient(135deg,#C97070,#AA5252); --pp3d:#AA5252;
    --pp4:linear-gradient(135deg,#5E9DB5,#3D809A); --pp4d:#3D809A;
    --pp5:linear-gradient(135deg,#C49A4A,#A07830); --pp5d:#A07830;
    --pp6:linear-gradient(135deg,#8F70A8,#6E5288); --pp6d:#6E5288;
    --pp7:linear-gradient(135deg,#79B8CE,#56A0BC); --pp7d:#56A0BC;
    --pp8:linear-gradient(135deg,#2A3545,#1A2535); --pp8d:#1A2535;
    --pp9:linear-gradient(135deg,#4A8560,#326044); --pp9d:#326044;
    --pp10:linear-gradient(135deg,#C8854A,#A06830); --pp10d:#A06830;
    --pp11:linear-gradient(135deg,#6FAE92,#4D9070); --pp11d:#4D9070;
    --pp12:linear-gradient(135deg,#8A9AB2,#6A7E9A); --pp12d:#6A7E9A;
}

/* 🌿 EDITORIAL EARTH (Warme Creme, Salbei & Terrakotta) */
body.theme-editorial {
    --bg-body: #F9F8F6; --bg-sidebar: #7A8B76; --bg-card: #ffffff;
    --text-main: #2C302E; --text-muted: #8E9491; --sidebar-text: #ffffff;
    --border-color: #E8E6E1; --accent-main: #C08465; --btn-blue: #7A8B76;
    --btn-blue-hover: #667562; --btn-green: #C08465; --btn-green-hover: #a66e52;
    --btn-green-text: #ffffff; --btn-gray: #DCDCDC; --btn-gray-text: #2C302E;
    --lila-baby: #D4C4B7; --icon-orange: #E07A5F;

    /* ── Erweiterte Palette (Pill-Slots 1–12) ── */
    --pp1:linear-gradient(135deg,#7A8B76,#5B6E58); --pp1d:#5B6E58;
    --pp2:linear-gradient(135deg,#8B8EC4,#6A6EA8); --pp2d:#6A6EA8;
    --pp3:linear-gradient(135deg,#C07464,#A05848); --pp3d:#A05848;
    --pp4:linear-gradient(135deg,#5A8B88,#3E6E6C); --pp4d:#3E6E6C;
    --pp5:linear-gradient(135deg,#C8A040,#A07E28); --pp5d:#A07E28;
    --pp6:linear-gradient(135deg,#9A6E88,#7C5070); --pp6d:#7C5070;
    --pp7:linear-gradient(135deg,#8FAEBB,#6A94A8); --pp7d:#6A94A8;
    --pp8:linear-gradient(135deg,#3A3830,#282620); --pp8d:#282620;
    --pp9:linear-gradient(135deg,#486050,#324038); --pp9d:#324038;
    --pp10:linear-gradient(135deg,#C08465,#9E6448); --pp10d:#9E6448;
    --pp11:linear-gradient(135deg,#82A878,#628C58); --pp11d:#628C58;
    --pp12:linear-gradient(135deg,#C4AC90,#A48C70); --pp12d:#A48C70;
}

/* 🌊 NORDIC OCEAN (Icy Blue, Fjordblau & weiches Apricot) */
body.theme-nordic {
    --bg-body: #F0F4F4; --bg-sidebar: #2B5B61; --bg-card: #ffffff;
    --text-main: #1B2A2C; --text-muted: #7A8D8F; --sidebar-text: #ffffff;
    --border-color: #DDE5E5; --accent-main: #E8A572; --btn-blue: #2B5B61;
    --btn-blue-hover: #1f4347; --btn-green: #E8A572; --btn-green-hover: #cf8e5d;
    --btn-green-text: #ffffff; --btn-gray: #B0C4C4; --btn-gray-text: #1B2A2C;
    --lila-baby: #93B5C6; --icon-orange: #F4A261;

    /* ── Erweiterte Palette (Pill-Slots 1–12) ── */
    --pp1:linear-gradient(135deg,#2B5B61,#1A4449); --pp1d:#1A4449;
    --pp2:linear-gradient(135deg,#8E93CB,#6A70B4); --pp2d:#6A70B4;
    --pp3:linear-gradient(135deg,#E07B75,#C45850); --pp3d:#C45850;
    --pp4:linear-gradient(135deg,#5E9DB5,#3D7E99); --pp4d:#3D7E99;
    --pp5:linear-gradient(135deg,#F0B858,#D8923C); --pp5d:#D8923C;
    --pp6:linear-gradient(135deg,#9B6B8E,#78496C); --pp6d:#78496C;
    --pp7:linear-gradient(135deg,#7EB8CA,#55A1BB); --pp7d:#55A1BB;
    --pp8:linear-gradient(135deg,#2D3E46,#1A2B30); --pp8d:#1A2B30;
    --pp9:linear-gradient(135deg,#4A7C59,#2E5A3D); --pp9d:#2E5A3D;
    --pp10:linear-gradient(135deg,#E8A572,#CF7E45); --pp10d:#CF7E45;
    --pp11:linear-gradient(135deg,#6FAE92,#4C9070); --pp11d:#4C9070;
    --pp12:linear-gradient(135deg,#C4A882,#A6875E); --pp12d:#A6875E;
}

/* 🎓 RETRO CAMPUS (Off-White, verwaschenes Stahlblau & Senfgelb) */
body.theme-retro {
    --bg-body: #FDFBF7; --bg-sidebar: #486887; --bg-card: #ffffff;
    --text-main: #2C3E50; --text-muted: #95a5a6; --sidebar-text: #ffffff;
    --border-color: #ecf0f1; --accent-main: #E69A3B; --btn-blue: #486887;
    --btn-blue-hover: #3a546d; --btn-green: #E69A3B; --btn-green-hover: #c9852f;
    --btn-green-text: #ffffff; --btn-gray: #f4f7f8; --btn-gray-text: #2C3E50;
    --lila-baby: #D98880; --icon-orange: #F2CC8F;

    /* ── Erweiterte Palette (Pill-Slots 1–12) ── */
    --pp1:linear-gradient(135deg,#486887,#324D6A); --pp1d:#324D6A;
    --pp2:linear-gradient(135deg,#7074A8,#545890); --pp2d:#545890;
    --pp3:linear-gradient(135deg,#CC6B6A,#AA5050); --pp3d:#AA5050;
    --pp4:linear-gradient(135deg,#4A8090,#326070); --pp4d:#326070;
    --pp5:linear-gradient(135deg,#E69A3B,#C07820); --pp5d:#C07820;
    --pp6:linear-gradient(135deg,#886080,#6C4662); --pp6d:#6C4662;
    --pp7:linear-gradient(135deg,#8BAEC8,#6892B2); --pp7d:#6892B2;
    --pp8:linear-gradient(135deg,#363840,#222428); --pp8d:#222428;
    --pp9:linear-gradient(135deg,#507A58,#38583E); --pp9d:#38583E;
    --pp10:linear-gradient(135deg,#D08840,#B06828); --pp10d:#B06828;
    --pp11:linear-gradient(135deg,#6AA490,#4C8070); --pp11d:#4C8070;
    --pp12:linear-gradient(135deg,#C0A882,#A28A64); --pp12d:#A28A64;
}

/* ⬛ MONOCHROMATIC (Reines Schwarz & Weiß — Nordic-Töne nur auf Hover) */
body.theme-mono {
    --bg-body: #F6F6F6;
    --bg-sidebar: #1C1C1C;
    --bg-card: #FFFFFF;
    --text-main: #1C1C1C;
    --text-muted: #6E6E6E;
    --sidebar-text: #F0F0F0;
    --border-color: #DEDEDE;

    --accent-main: #2B5B61;      /* Nordic Fjord — erscheint auf Hover/Focus */
    --btn-blue: #2B5B61;
    --btn-blue-hover: #1A4449;
    --btn-green: #B8884A;        /* gedämpftes Nordic Amber */
    --btn-green-hover: #9E7038;
    --btn-green-text: #FFFFFF;
    --btn-gray: #E4E4E4;
    --btn-gray-text: #1C1C1C;

    --lila-baby: #B0B0B0;
    --icon-orange: #B88858;

    /* Verhaltens-Skala — subtil gefärbt, gut lesbar */
    --beh-1-bg: #E8EEE8; --beh-1-fg: #3E7858;
    --beh-2-bg: #E8EEF0; --beh-2-fg: #386880;
    --beh-3-bg: #F0EDE4; --beh-3-fg: #806838;
    --beh-4-bg: #F0EAE4; --beh-4-fg: #805840;
    --beh-5-bg: #F0E4E4; --beh-5-fg: #884040;

    /* ── Erweiterte Palette (Pill-Slots 1–12) — dunkel & elegant ── */
    --pp1:linear-gradient(135deg,#2B5B61,#1A4449); --pp1d:#1A4449;
    --pp2:linear-gradient(135deg,#484E7E,#30386A); --pp2d:#30386A;
    --pp3:linear-gradient(135deg,#7E4844,#622E2E); --pp3d:#622E2E;
    --pp4:linear-gradient(135deg,#2E5868,#1A3E50); --pp4d:#1A3E50;
    --pp5:linear-gradient(135deg,#7A6030,#5E481A); --pp5d:#5E481A;
    --pp6:linear-gradient(135deg,#5E3C58,#442040); --pp6d:#442040;
    --pp7:linear-gradient(135deg,#3C5E70,#28445A); --pp7d:#28445A;
    --pp8:linear-gradient(135deg,#282828,#141414); --pp8d:#141414;
    --pp9:linear-gradient(135deg,#2E5038,#1A3C22); --pp9d:#1A3C22;
    --pp10:linear-gradient(135deg,#7A5030,#5E3818); --pp10d:#5E3818;
    --pp11:linear-gradient(135deg,#2E6250,#1A4C3A); --pp11d:#1A4C3A;
    --pp12:linear-gradient(135deg,#585050,#3E3838); --pp12d:#3E3838;
}

/* ====================================================
   2. GLOBALES LAYOUT
   ==================================================== */
* { box-sizing: border-box; }

body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    background-color: var(--bg-body);
    color: var(--text-main);
    display: flex;
    height: 100vh;
    overflow: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background-color: var(--bg-sidebar);
    color: var(--sidebar-text);
    display: flex; flex-direction: column;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.4s ease;
    z-index: 100;
}
.sidebar.collapsed { width: 70px; overflow-y: auto; overflow-x: hidden; }
.sidebar.collapsed::-webkit-scrollbar { width: 0; }
.sidebar.collapsed { scrollbar-width: none; }

/* Ausgeklappte Sidebar: Menüliste scrollt, wenn Bildschirm nicht hoch genug */
.sidebar-menu { flex: 1; min-height: 0; overflow-y: auto; overflow-x: hidden; scrollbar-width: none; }
.sidebar-menu::-webkit-scrollbar { width: 0; }

.sidebar-header {
    padding: 20px; display: flex; align-items: center; justify-content: space-between; 
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

/* Neuer Container fürs Logo */
.logo-container { display: flex; align-items: center; gap: 10px; transition: transform 0.2s; }
.sidebar.collapsed .logo-container { cursor: pointer; }
.sidebar.collapsed .logo-container:hover { transform: scale(1.1); }

.sidebar-header .logo { font-weight: 800; font-size: 1.2rem; letter-spacing: 1px; }

/* Wenn eingeklappt: Haus mittig, Hamburger weg */
.sidebar.collapsed .sidebar-header { justify-content: center; padding: 20px 0; }
.sidebar.collapsed .logo { display: none; }
.sidebar.collapsed .toggle-btn { display: none; } 

.toggle-btn { cursor: pointer; font-size: 1.2rem; transition: color 0.2s; opacity: 0.7; }
.toggle-btn:hover { opacity: 1; }

.menu-item {
    display: flex; align-items: center; padding: 12px 25px;
    color: var(--sidebar-text); opacity: 0.7; text-decoration: none;
    cursor: pointer; transition: all 0.2s; border-left: 4px solid transparent;
}
.menu-item:hover, .menu-item.active { opacity: 1; border-left-color: var(--accent-main); background: rgba(255,255,255,0.05); }
.menu-item i { width: 25px; font-size: 1.1rem; margin-right: 15px; text-align: center; }
.sidebar.collapsed .menu-item { padding: 15px 0; justify-content: center; }
.sidebar.collapsed .menu-item i { margin-right: 0; }
.sidebar.collapsed .menu-item span { display: none; }

/* Main Content */
.main-content { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.content-body { flex: 1; padding: 30px; overflow-y: auto; overflow-x: hidden; }
#current-module-title { margin-top: 0; margin-bottom: 25px; font-size: 1.8rem; font-weight: 700; color: var(--text-main); }
#module-container { min-height: 100%; }

/* ====================================================
   3. BUTTONS (Speichern-Buttons immer GEFÜLLT)
   ==================================================== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 10px 18px; border-radius: 8px; font-family: inherit;
    font-size: 0.95rem; font-weight: 600; cursor: pointer; text-decoration: none;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    background: transparent; 
}

/* Blau/Primär Button */
.btn-blue { border: 2px solid var(--btn-blue); color: var(--btn-blue); }
.btn-blue:hover { background: var(--btn-blue); color: var(--bg-card); transform: translateY(-2px); }

/* Grün/Akzent Button (Lime) - IMMER GEFÜLLT */
.btn-green { 
    background: var(--btn-green); 
    border: 2px solid var(--btn-green); 
    color: var(--btn-green-text, #ffffff); 
}
.btn-green:hover { 
    background: var(--btn-green-hover); 
    border-color: var(--btn-green-hover); 
    color: var(--btn-green-text, #ffffff); 
    transform: translateY(-2px); 
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Grauer Button */
.btn-gray { border: 2px solid var(--btn-gray); color: var(--text-main); }
.btn-gray:hover { background: var(--btn-gray); color: var(--text-main); transform: translateY(-2px); }

.btn i { transition: transform 0.3s; }
.btn:hover i { transform: scale(1.1); }

/* ====================================================
   4. KARTEN & MODALS
   ==================================================== */
.grades-header-bar {
    display: flex; justify-content: space-between; align-items: center;
    background: var(--bg-card); padding: 15px; border-radius: 12px;
    margin-bottom: 20px; border: 1px solid var(--border-color); flex-wrap: wrap; gap: 15px;
}
.grades-header-bar select, .grades-header-bar input {
    padding: 8px 12px; border: 1px solid var(--border-color); border-radius: 6px;
    font-family: inherit; background: var(--bg-body); color: var(--text-main); outline: none;
}

/* Modals */
.modal {
    display: none; position: fixed; z-index: 2000; left: 0; top: 0;
    width: 100%; height: 100%; background-color: rgba(0,0,0,0.6);
    justify-content: center; align-items: center; backdrop-filter: blur(4px);
}
.modal-content {
    background-color: var(--bg-card); padding: 30px; border-radius: 16px;
    width: 400px; max-width: 90%; box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    max-height: 90vh;              /* Verhindert, dass der Modal größer als der Bildschirm wird */
    overflow-y: auto;              /* Eigener Scroll-Container → kein iOS-Rückschnalzen */
    overscroll-behavior: contain;  /* Scroll "leckt" nicht zur Seite dahinter */
}
.modal-lg { width: 1100px; max-width: 95%; }
.modal-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 15px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;          /* Header bleibt oben sichtbar beim Scrollen */
    top: 0;
    background: var(--bg-card); /* Hintergrund nötig, sonst scheint Inhalt durch */
    z-index: 1;
}
.modal-header h3 { margin: 0; color: var(--text-main); }
.close-btn { color: var(--text-muted); font-size: 1.5rem; background: none; border: none; cursor: pointer; }
.close-btn:hover { color: var(--text-main); }

/* Formulare */
.form-group { margin-bottom: 15px; text-align: left; }
.form-group label { display: block; margin-bottom: 5px; font-weight: bold; font-size: 0.9rem; color: var(--text-muted);}
.form-group input, .form-group select, .form-group textarea { 
    width: 100%; padding: 12px; border: 1px solid var(--border-color); background: var(--bg-body); color: var(--text-main);
    border-radius: 6px; box-sizing: border-box; font-family: inherit; outline: none; transition: border-color 0.2s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent-main); }

/* ====================================================
   5. TABELLEN (Sticky Columns)
   ==================================================== */
.table-container {
    overflow-x: auto; background: var(--bg-card); border-radius: 12px;
    border: 1px solid var(--border-color); max-height: calc(100vh - 200px);
}
.grades-table { width: 100%; border-collapse: separate; border-spacing: 0; min-width: 1000px; color: var(--text-main); }
.grades-table th, .grades-table td {
    border-bottom: 1px solid var(--border-color); border-right: 1px solid var(--border-color);
    padding: 12px; text-align: center; min-width: 140px; white-space: nowrap; background: var(--bg-card);
}
.grades-table th { background: var(--bg-body); font-weight: 600; font-size: 0.9rem; position: sticky; top: 0; z-index: 10; border-top: 1px solid var(--border-color); }
.grades-table .grade-category { font-size: 0.8rem; color: var(--text-muted); display: block; margin-bottom: 3px; }
.grades-table .grade-date { font-size: 0.75rem; opacity: 0.6; }

/* Spalte 1: Druck-Button */
.grades-table th:nth-child(1), .grades-table td:nth-child(1) { position: sticky; left: 0; min-width: 40px; max-width: 40px; padding: 4px; z-index: 5; border-left: 1px solid var(--border-color); }
/* Spalte 2: Nr. */
.grades-table th:nth-child(2), .grades-table td:nth-child(2) { position: sticky; left: 40px; text-align: center; min-width: 44px; max-width: 44px; padding: 12px 4px; z-index: 5; }
/* Spalte 3: Kind */
.grades-table th:nth-child(3), .grades-table td:nth-child(3) { position: sticky; left: 84px; text-align: left; min-width: 180px; max-width: 180px; z-index: 5; }
/* Spalte 4: Gesamtnote */
.grades-table th:nth-child(4), .grades-table td:nth-child(4) {
    position: sticky; left: 264px; min-width: 110px; max-width: 110px; z-index: 5;
    background: var(--bg-body) !important; box-shadow: 2px 0 5px rgba(0,0,0,0.03);
}
.grades-table thead th:nth-child(1), .grades-table thead th:nth-child(2), .grades-table thead th:nth-child(3), .grades-table thead th:nth-child(4) { z-index: 15; background: var(--bg-body) !important; }

/* ====================================================
   6. LOGIN OVERLAY
   ==================================================== */
#login-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at center, var(--bg-card) 0%, var(--bg-sidebar) 100%);
    z-index: 3000; display: flex; justify-content: center; align-items: center;
}
.login-box {
    background: var(--bg-card); padding: 40px; border-radius: 16px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2); width: 100%; max-width: 400px;
    text-align: center; border: 1px solid var(--border-color);
}
.login-box h2 { color: var(--text-main); margin-top: 0; margin-bottom: 30px; font-size: 2rem; }
.login-box input {
    width: 100%; padding: 15px; margin-bottom: 20px; border: 1px solid var(--border-color);
    border-radius: 8px; font-family: inherit; font-size: 1rem; box-sizing: border-box;
    background: var(--bg-body); color: var(--text-main); transition: border-color 0.3s;
}
.login-box input:focus { border-color: var(--accent-main); outline: none; }
.login-box button {
    width: 100%; padding: 15px; background: var(--accent-main); color: var(--bg-card);
    border: none; border-radius: 8px; font-weight: bold; cursor: pointer;
    font-size: 1.1rem; transition: transform 0.2s;
}
.login-box button:hover { transform: translateY(-2px); }

/* --- SAFARI DATE-PICKER FIX --- */
input[type="date"]::-webkit-calendar-picker-indicator {
    display: block !important;
    opacity: 1 !important;
    cursor: pointer !important;
    background-color: transparent;
}
input[type="date"] {
    /* Zwingt Safari, das Feld als echtes Datumsfeld zu behandeln */
    -webkit-appearance: textfield !important; 
    min-height: 40px;
}

/* ====================================================
   7. MOBILE OPTIMIERUNG (Smartphones & kleine Tablets)
   ==================================================== */

/* Admin: Button-Gruppe in der Kachel Schul- & Kollegiumsverwaltung */
.admin-header-btns {
    display: flex;
    gap: 10px;
}

/* Standard Desktop: Verstecke die Mobile-Elemente */
.mobile-controls { display: none; }
.mobile-only-status { display: none; }

/* Profil-Button NUR auf Desktop verstecken (Mobile: JS übernimmt die Anzeige) */
@media screen and (min-width: 769px) {
    #mobile-profile-btn { display: none !important; }
    .show-on-mobile { display: none !important; }
}

@media screen and (max-width: 768px) {
    
    /* Bestimmte Module komplett ausblenden */
    .hide-on-mobile { display: none !important; }
    .show-on-mobile { display: inline !important; }

    /* --- LAYOUT UMBAUEN (Von Links-Rechts auf Oben-Unten) --- */
    /* WICHTIG: Auf Mobil KEIN eigener Scroll-Container, sondern natürlicher
       Dokument-Scroll (body). Nur so behandelt iOS Safari den sticky-Header korrekt
       (er sitzt unter der Adressleiste, verschwindet nicht). Ein verschachtelter
       overflow:auto-Container war die Ursache, dass Header bzw. Inhalt verschwanden. */
    html, body {
        height: auto !important;
        overflow: visible !important;
    }
    body { display: block !important; }

    /* display NICHT überschreiben! JS setzt none (ausgeloggt) bzw. flex (eingeloggt).
       Würde hier display:block !important stehen, erschiene der Header auch ausgeloggt. */
    #app-container {
        flex-direction: column !important;
        height: auto !important;
        min-height: 100%;
        overflow: visible !important;
    }

    /* --- DIE NEUE MOBILE KOPFZEILE (Header) --- */
    .sidebar {
        width: 100% !important;
        height: auto !important;
        flex-direction: column;
        box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        z-index: 500;
        position: sticky;   /* bleibt am oberen Rand des sichtbaren Viewports */
        top: 0;
        left: 0;
    }

    .sidebar-header {
        display: flex !important;
        justify-content: space-between !important;
        /* Browser: normaler Abstand (Safari setzt den Inhalt schon unter seine Leiste).
           Die Safe-Area kommt NUR im Standalone-PWA-Modus dazu (siehe unten). */
        padding: 20px 20px 15px 20px !important;
        pointer-events: auto;
        cursor: default;
    }

    /* Das Logo darf sichtbar sein! */
    .sidebar-header .logo { display: block !important; }
    /* Hamburger-Button auf Mobile anzeigen */
    .sidebar-header .toggle-btn { display: block !important; cursor: pointer; }

    /* --- DAS DROPDOWN-MENÜ (Standard: Versteckt) --- */
    .sidebar-menu {
        display: none !important;
        flex-direction: column;
        width: 100%;
        background-color: var(--bg-sidebar);
        padding: 0 0 15px 0 !important;
        box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
        position: absolute;
        top: 100%; /* Direkt unter der Kopfzeile ausklappen */
        left: 0;
        z-index: 499;
        /* Scrollbar wenn Menü zu lang (z.B. als Admin mit vielen Einträgen) */
        max-height: calc(100vh - 70px);
        max-height: calc(100dvh - 70px); /* modern browsers: dynamic viewport */
        overflow-y: auto;
        -webkit-overflow-scrolling: touch; /* flüssiges Momentum-Scrollen auf iOS */
    }

    /* Wenn auf das Logo geklickt wurde, Menü zeigen */
    .sidebar.mobile-open .sidebar-menu {
        display: flex !important;
    }

    .menu-item {
        padding: 15px 20px !important;
        width: 100%;
        justify-content: flex-start !important;
        border-bottom: 1px solid rgba(255,255,255,0.05);
    }
    
    .menu-item span { display: inline-block !important; margin-left: 15px; }
    .menu-item span.hide-on-mobile { display: none !important; }
    .menu-item span.show-on-mobile { display: inline-block !important; }

    /* --- DATE-PICKER BREITE FIX (iOS Safari) --- */
    input[type="date"] {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* --- HAUPTBEREICH: fließt natürlich unter dem Sticky-Header (Dokument-Scroll) --- */
    .main-content {
        height: auto !important;
        min-height: 0 !important;
        overflow: visible !important;
        margin-top: 0 !important;
        flex: none !important;
    }

    .content-body {
        padding: 15px !important;
        padding-top: 20px !important; /* Atemraum zwischen Header-Unterkante und Modulüberschrift */
        padding-bottom: 0 !important; /* Footer übernimmt den unteren Abstand */
        display: flex !important;
        flex-direction: column !important;
        overflow-y: visible !important;
        overflow-x: hidden !important;
        flex: none !important;
    }

    /* Inhaltsbereich füllt den verfügbaren Platz → Footer wird nach unten gedrückt */
    #module-container {
        flex: 1;
    }

    /* Footer scrollt mit – er klebt nicht mehr am Bildschirmrand */
    footer {
        position: static !important;
        margin-top: 30px;
        flex-shrink: 0;
        flex-wrap: wrap;
        gap: 8px;
    }

    /* App-Footer mobil: zweizeilig & zentriert (Desktop ist einzeilig links/rechts) */
    .app-footer {
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        text-align: center !important;
    }

    #current-module-title { font-size: 1.5rem; margin-bottom: 15px; text-align: center; }

    /* --- RASTER & KACHELN MOBILE --- */
    div[style*="grid-template-columns: 2fr 1fr"],
    div[style*="grid-template-columns: repeat"] {
        display: flex !important;
        flex-direction: column !important;
        gap: 15px !important;
    }
    .dash-column { width: 100% !important; min-height: auto !important; }
    .dashboard-widget, .stats-card {
        width: 100% !important; box-sizing: border-box !important;
        overflow: hidden !important; word-wrap: break-word; 
    }

    /* --- TO-DO EINGABE MOBILE --- */
    #todo > div:last-child {
        flex-direction: column !important; gap: 10px !important;
    }
    #new-todo-title, #new-todo-date, #todo > div:last-child .btn {
        width: 100% !important; box-sizing: border-box;
    }
    
    /* --- MODALS MOBILE --- */
    .modal-content {
        width: 95% !important; padding: 20px !important;
        margin: 10px !important; max-height: 85vh; box-sizing: border-box;
        overflow-y: auto;                    /* Scroll-Container auf Mobile */
        -webkit-overflow-scrolling: touch;   /* Flüssiges Momentum-Scrollen auf iOS */
        overscroll-behavior: contain;        /* Kein Scroll-Leak zum Hintergrund */
    }
    div[style*="display: grid; grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }

    /* --- NEUES ANWESENHEITS-LAYOUT --- */
    .desktop-controls { display: none !important; }
    .mobile-controls { display: block !important; }
    .mobile-only-status { display: block !important; }
    .attendance-card { cursor: pointer; }
    .attendance-card:active { transform: scale(0.98); background: var(--bg-body) !important; }
    
    .table-container {
        width: 100%; overflow-x: auto !important;
        -webkit-overflow-scrolling: touch; border-radius: 8px;
    }

    /* --- ADMIN: Buttons in Schul- & Kollegiumsverwaltung untereinander --- */
    .admin-header-btns {
        flex-direction: column;
        width: 100%;
    }
    .admin-header-btns .btn {
        width: 100%;
        justify-content: center;
    }

    /* --- ADMIN: Schul-Details Button zentrieren --- */
    .school-details-btn {
        margin: 0 auto;
    }

    /* --- KONTOVERWALTUNG: 2-Spalten-Grids auf Mobile einspaltig --- */
    #module-container [style*="grid-template-columns:1fr 1fr"],
    #module-container [style*="grid-template-columns: 1fr 1fr"] {
        grid-template-columns: 1fr !important;
    }
}

/* ── Desktop: kleiner Monitor → App auf 85% skalieren ── */
@media (max-height: 780px) and (min-width: 769px) {
    html { zoom: 0.85; }
    body {
        height: calc(100vh / 0.85) !important;
        min-height: calc(100vh / 0.85) !important;
    }
    #app-container {
        height: calc(100vh / 0.85) !important;
        min-height: calc(100vh / 0.85) !important;
    }
    .main-content {
        height: calc(100vh / 0.85) !important;
        min-height: calc(100vh / 0.85) !important;
    }
}