/* ====================================================
   ERP-System – High-End Design mit Light/Dark Mode
   ==================================================== */

/* ---------- Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- Light Mode (Standard) ---------- */
:root {
    /* Primärfarben – edle, tiefe Töne */
    --primary-50: #f0f5ff;
    --primary-100: #e6edff;
    --primary-200: #cddbfe;
    --primary-300: #b4c6fc;
    --primary-400: #8da4f8;
    --primary-500: #667eea;
    --primary-600: #5a67d8;
    --primary-700: #4c51bf;
    --primary-800: #434190;
    --primary-900: #3c366b;

    --gradient-primary: linear-gradient(135deg, var(--primary-500), var(--primary-700));
    --gradient-subtle: linear-gradient(135deg, var(--primary-50), var(--primary-100));

    /* Hintergründe */
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-surface-hover: #f1f5f9;
    --bg-surface-active: #e2e8f0;
    --bg-navbar: rgba(255, 255, 255, 0.8);
    --bg-dropdown: #ffffff;
    --bg-table-header: #f8fafc;
    --bg-table-row-hover: #f1f5f9;

    /* Textfarben */
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-tertiary: #64748b;
    --text-disabled: #94a3b8;
    --text-inverse: #ffffff;

    /* Border & Linien */
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;
    --border-focus: var(--primary-500);

    /* Schatten – weich und tief */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.02);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.02);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.03);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.04);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.05);
    --shadow-2xl: 0 20px 32px rgba(0,0,0,0.06);

    /* Glaseffekt */
    --glass-bg: rgba(255, 255, 255, 0.6);
    --glass-border: rgba(255, 255, 255, 0.8);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.04);

    /* Statusfarben – sanft */
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --info: #3b82f6;
    --info-light: #dbeafe;

    /* Abstände */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    /* Übergänge */
    --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Dark Mode ---------- */
[data-theme="dark"] {
    /* Primärfarben – angepasst für dunklen Hintergrund */
    --primary-50: #2d3a5e;
    --primary-100: #35477a;
    --primary-200: #3e5596;
    --primary-300: #4a63b2;
    --primary-400: #5a71ce;
    --primary-500: #667eea;
    --primary-600: #7b93f0;
    --primary-700: #90a8f5;
    --primary-800: #a6bdfa;
    --primary-900: #bbd2ff;

    /* Hintergründe */
    --bg-base: #0b1120;
    --bg-surface: #1a2332;
    --bg-surface-hover: #2a3442;
    --bg-surface-active: #3a4452;
    --bg-navbar: rgba(26, 35, 50, 0.85);
    --bg-dropdown: #1e293b;
    --bg-table-header: #1e293b;
    --bg-table-row-hover: #3a4556;

    /* Textfarben */
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-tertiary: #94a3b8;
    --text-disabled: #64748b;
    --text-inverse: #0f172a;

    /* Border */
    --border-light: #334155;
    --border-medium: #475569;

    /* Schatten – tiefer im Dark Mode */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.6);
    --shadow-xl: 0 12px 24px rgba(0,0,0,0.6);
    --shadow-2xl: 0 20px 32px rgba(0,0,0,0.7);

    /* Glaseffekt im Dark */
    --glass-bg: rgba(26, 35, 50, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-shadow: 0 8px 32px rgba(0,0,0,0.3);

    /* Statusfarben – etwas heller */
    --success: #34d399;
    --success-light: #134e4a;
    --warning: #fbbf24;
    --warning-light: #422006;
    --danger: #f87171;
    --danger-light: #450a0a;
    --info: #60a5fa;
    --info-light: #1e3a8a;
}

/* ---------- Basis-Styles ---------- */
body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.5;
    margin: 0;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* ---------- Container ---------- */
.container-custom {
    padding: 2rem;
    max-width: 1440px;
    margin: 0 auto;
}

@media (max-width: 768px) {
    .container-custom {
        padding: 1rem;
    }
}

/* ---------- Navbar – eleganter Glaseffekt ---------- */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.35rem;
    letter-spacing: 0.02em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: var(--transition);
}

.navbar-nav {
    align-items: center;
    gap: 0.25rem;
}

.nav-link, .dropdown-item {
    color: var(--text-secondary) !important;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    font-size: 0.95rem;
    letter-spacing: 0.01em;
}

.nav-link:hover, .dropdown-item:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.nav-link.active, .dropdown-item:active {
    background: var(--gradient-primary);
    color: white !important;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.navbar-nav .nav-item {
    margin: 0 0.125rem;
}

/* ---------- Dropdown-Menü ---------- */
.dropdown-menu {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    background-color: var(--bg-dropdown);
    box-shadow: var(--shadow-xl);
    padding: 0.5rem;
    margin-top: 0.5rem;
    animation: dropdownFade 0.2s ease;
}

@keyframes dropdownFade {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-item {
    border-radius: var(--radius-md);
    margin: 0.125rem 0;
    padding: 0.6rem 1rem;
}

/* ---------- Karten – mit eleganter Tiefe ---------- */
.card {
    border: 1px solid var(--border-light);
    border-radius: var(--radius-xl);
    background: var(--bg-surface);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    color: var(--text-primary);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
    border-color: var(--border-medium);
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border-light);
    padding: 1rem 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
}
/* Hover-Kacheln für Stammdaten/Finanzen */
.hover-card {
    transition: var(--transition);
    cursor: pointer;
}
.hover-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl) !important;
    border-color: var(--primary-400);
}

/* ---------- Buttons – elegant und klar ---------- */
.btn {
    border-radius: var(--radius-lg);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
    filter: brightness(1.05);
}

.btn-outline-primary {
    border: 2px solid var(--primary-500);
    color: var(--primary-500);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.3);
}

.btn-outline-secondary {
    border: 2px solid var(--border-medium);
    color: var(--text-secondary);
}

.btn-outline-secondary:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-outline-success { border-color: var(--success); color: var(--success); }
.btn-outline-success:hover { background: var(--success); color: white; border-color: var(--success); }

.btn-outline-danger { border-color: var(--danger); color: var(--danger); }
.btn-outline-danger:hover { background: var(--danger); color: white; border-color: var(--danger); }

.btn-outline-info { border-color: var(--info); color: var(--info); }
.btn-outline-info:hover { background: var(--info); color: white; border-color: var(--info); }

.btn-outline-warning { border-color: var(--warning); color: var(--warning); }
.btn-outline-warning:hover { background: var(--warning); color: white; border-color: var(--warning); }

.btn-sm {
    border-radius: var(--radius-md);
    padding: 0.375rem 1rem;
    font-size: 0.85rem;
}

.btn-link {
    color: var(--primary-500);
    font-weight: 500;
}

.btn-link:hover {
    color: var(--primary-700);
    text-decoration: none;
}

/* ---------- Tabellen – clean und lesbar ---------- */
.table {
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    color: var(--text-primary);
    margin-bottom: 0;
    border-collapse: separate;
    border-spacing: 0;
}

.table thead th {
    background: var(--table-header-bg);
    border-bottom: 1px solid var(--border-light);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    padding: 1rem 1rem;
}

.table tbody tr {
    transition: var(--transition);
}

.table tbody tr:hover {
    background: var(--bg-table-row-hover);
    /* Optional: Textfarbe beibehalten oder leicht anpassen */
    color: var(--text-primary);
}
.table tbody tr:hover td {
    color: var(--text-primary);
}
.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    vertical-align: middle;
}

.table td:first-child {
    font-weight: 500;
    color: var(--text-primary);
}

/* ---------- Formulare – weich und klar ---------- */
.form-control, .form-select {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    padding: 0.65rem 1rem;
    transition: var(--transition);
    font-size: 0.95rem;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
    outline: none;
}

.form-label {
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 0.4rem;
    font-size: 0.9rem;
}

.form-text {
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

/* ---------- Badges – dezent und aussagekräftig ---------- */
.badge {
    padding: 0.4em 0.75em;
    font-weight: 500;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    letter-spacing: 0.02em;
}

.badge.bg-success { background: var(--success-light); color: var(--success); }
.badge.bg-danger { background: var(--danger-light); color: var(--danger); }
.badge.bg-warning { background: var(--warning-light); color: var(--warning); }
.badge.bg-info { background: var(--info-light); color: var(--info); }
.badge.bg-secondary { background: var(--bg-surface-hover); color: var(--text-secondary); }
.badge.bg-primary { background: var(--primary-100); color: var(--primary-700); }

/* ---------- Alerts – mit sanften Farben ---------- */
.alert {
    border-radius: var(--radius-xl);
    border: 1px solid transparent;
    box-shadow: var(--shadow-md);
    padding: 1rem 1.5rem;
    font-weight: 500;
}

.alert-success { background: var(--success-light); color: var(--success); }
.alert-danger { background: var(--danger-light); color: var(--danger); }
.alert-warning { background: var(--warning-light); color: var(--warning); }
.alert-info { background: var(--info-light); color: var(--info); }

/* ---------- Text-Hilfsklassen ---------- */
.text-muted { color: var(--text-tertiary) !important; }
.text-primary { color: var(--primary-500) !important; }
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-info { color: var(--info) !important; }

/* ---------- Theme-Switch ---------- */
.theme-switch {
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    transition: var(--transition);
    display: flex;
    align-items: center;
    font-size: 0.95rem;
}

.theme-switch:hover {
    background: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* ---------- Login-Seite – eigenständig edel ---------- */
.login-body {
    background: linear-gradient(135deg, #1e1e2f, #2d2d44);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    font-family: 'Inter', sans-serif;
}

.login-card {
    background: rgba(30, 30, 47, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-2xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    color: white;
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #a78bfa, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.2));
}

.login-header h1 {
    font-weight: 700;
    font-size: 2rem;
    background: linear-gradient(135deg, #fff, #e2e8f0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-top: 1rem;
    letter-spacing: -0.02em;
}

.login-form .form-control {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-xl);
    padding: 0.9rem 1.5rem;
    padding-left: 3rem;
    color: white;
    font-size: 1rem;
    transition: var(--transition);
}

.login-form .form-control:focus {
    color: white;
    border-color: #a78bfa;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.3);
}

.login-form .position-relative i {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.1rem;
}
.login-form .form-control::-webkit-input-placeholder { /* Chrome/Opera/Safari */
    color: rgba(255, 255, 255, 0.7);
    opacity: 1;
}
.login-form .form-control::-moz-placeholder { /* Firefox 19+ */
    color: rgba(255, 255, 255, 0.7);
    opacity: 1;
}
.login-form .form-control:-ms-input-placeholder { /* IE 10+ */
    color: rgba(255, 255, 255, 0.7);
}
.login-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.7);
    opacity: 1;
}
.btn-login {
    background: linear-gradient(135deg, #a78bfa, #c084fc);
    border: none;
    border-radius: var(--radius-xl);
    padding: 0.9rem;
    font-weight: 600;
    font-size: 1.1rem;
    color: white;
    width: 100%;
    transition: var(--transition);
    margin-top: 1.5rem;
    box-shadow: 0 8px 16px -4px rgba(167, 139, 250, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px -4px rgba(167, 139, 250, 0.5);
    filter: brightness(1.1);
}

.alert-custom {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-xl);
    color: #fca5a5;
    padding: 1rem;
    margin-bottom: 1.5rem;
    text-align: center;
    font-weight: 500;
}

.footer-text {
    text-align: center;
    margin-top: 2rem;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.85rem;
    letter-spacing: 0.02em;
}

/* ---------- Angebotsansicht – in das System integriert ---------- */
.angebot-body {
    background: var(--bg-base);
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 2rem;
}

.angebot-container {
    max-width: 1000px;
    margin: 0 auto;
    background: var(--bg-surface);
    padding: 2.5rem;
    box-shadow: var(--shadow-xl);
    border-radius: var(--radius-2xl);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
}

.angebot-container h1 {
    color: var(--text-primary);
    border-bottom: 2px solid var(--primary-500);
    padding-bottom: 0.75rem;
    margin-top: 0;
    font-weight: 700;
    font-size: 1.8rem;
}

.angebot-kopf {
    margin-bottom: 2rem;
}

.angebot-kunde {
    background: var(--bg-surface-hover);
    padding: 1.5rem;
    border-radius: var(--radius-xl);
    margin: 1.5rem 0;
    border: 1px solid var(--border-light);
}

.angebot-tabelle {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--bg-surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.angebot-tabelle th {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.02em;
}

.angebot-tabelle td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
}

.angebot-summen {
    text-align: right;
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-surface-hover);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
}

.angebot-summen div {
    margin: 0.5rem 0;
    line-height: 1.6;
}

.angebot-gesamt {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-500);
}

.angebot-notizen {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-surface-hover);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-light);
    color: var(--text-primary);
}

.druck-button {
    display: block;
    width: 220px;
    margin: 2rem auto 1rem;
    padding: 0.9rem;
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    border-radius: var(--radius-xl);
    border: none;
    font-size: 1rem;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.druck-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
    filter: brightness(1.05);
}

@media print {
    .angebot-body {
        background: white;
        padding: 0;
    }
    .angebot-container {
        box-shadow: none;
        padding: 1.5rem;
        background: white;
    }
    .druck-button {
        display: none;
    }
}

/* ---------- Responsive Anpassungen ---------- */
@media (max-width: 768px) {
    .navbar-nav {
        margin-top: 1rem;
    }
    .navbar-nav .nav-item {
        margin: 0.25rem 0;
    }
    .theme-switch {
        justify-content: center;
    }
    .container-custom {
        padding: 1rem;
    }
    .card-body {
        padding: 1.25rem;
    }
}