/* =====================================================
   FILMZEUGS RECHNUNGSTOOL - STYLESHEET
   ===================================================== */

:root {
    --primary: #f5a623;
    --primary-hover: #e6951a;
    --dark: #1a1a1a;
    --dark-light: #2d2d2d;
    --gray-100: #f8f9fa;
    --gray-200: #e9ecef;
    --gray-300: #dee2e6;
    --gray-400: #ced4da;
    --gray-500: #adb5bd;
    --gray-600: #6c757d;
    --gray-700: #495057;
    --gray-800: #343a40;
    --success: #28a745;
    --success-light: #d4edda;
    --warning: #ffc107;
    --warning-light: #fff3cd;
    --danger: #dc3545;
    --danger-light: #f8d7da;
    --info: #17a2b8;
    --info-light: #d1ecf1;
    --white: #ffffff;
    --shadow: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.15);
    --radius: 8px;
    --radius-lg: 12px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--gray-100);
    color: var(--gray-800);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* =====================================================
   NAVBAR
   ===================================================== */

.navbar {
    background-color: var(--dark);
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 50px;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand a {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.logo-film {
    font-size: 1.2rem;
    font-weight: 300;
    font-style: italic;
    color: var(--white);
}

.logo-zeugs {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    text-transform: uppercase;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-link {
    color: var(--white);
    text-decoration: none;
    padding: 0.4rem 0.6rem;
    border-radius: var(--radius);
    font-size: 0.85rem;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--primary);
}

.nav-link.active {
    background-color: var(--primary);
    color: var(--dark);
}

.nav-icon {
    font-size: 1rem;
    padding: 0.4rem 0.5rem !important;
}

/* =====================================================
   CONTAINER & LAYOUT
   ===================================================== */

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    flex: 1;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--gray-800);
}

.page-header p {
    color: var(--gray-600);
    margin-top: 0.25rem;
}

/* =====================================================
   CARDS
   ===================================================== */

.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--gray-200);
}

.card-header h2 {
    font-size: 1.25rem;
    font-weight: 600;
}

/* =====================================================
   STATS CARDS
   ===================================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--gray-300);
}

.stat-card.primary {
    border-left-color: var(--primary);
    background: linear-gradient(135deg, var(--primary) 0%, #f7b84b 100%);
}

.stat-card.primary .stat-value,
.stat-card.primary .stat-label {
    color: var(--white);
}

.stat-card.success {
    border-left-color: var(--success);
}

.stat-card.warning {
    border-left-color: var(--warning);
}

.stat-icon {
    font-size: 1.5rem;
    opacity: 0.8;
}

.stat-content {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-800);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* =====================================================
   BUTTONS
   ===================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    font-size: 0.95rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    text-decoration: none;
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--dark);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-secondary {
    background-color: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background-color: var(--gray-300);
}

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

.btn-success:hover {
    background-color: #218838;
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.85rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.btn-group {
    display: flex;
    gap: 0.5rem;
}

/* =====================================================
   FORMS
   ===================================================== */

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.2);
}

.form-control::placeholder {
    color: var(--gray-400);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    padding-right: 2.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--gray-500);
    margin-top: 0.25rem;
}

/* =====================================================
   TABLES
   ===================================================== */

.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th,
.table td {
    padding: 0.875rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background-color: var(--gray-100);
}

.table tbody tr:hover {
    background-color: var(--gray-100);
}

.table .actions {
    white-space: nowrap;
}

.table .amount {
    text-align: right;
    font-family: 'SF Mono', Monaco, monospace;
}

/* =====================================================
   BADGES
   ===================================================== */

.badge {
    display: inline-block;
    padding: 0.25rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-success {
    background-color: var(--success-light);
    color: var(--success);
}

.badge-warning {
    background-color: var(--warning-light);
    color: #856404;
}

.badge-danger {
    background-color: var(--danger-light);
    color: var(--danger);
}

.badge-info {
    background-color: var(--info-light);
    color: var(--info);
}

.badge-secondary {
    background-color: var(--gray-200);
    color: var(--gray-600);
}

.badge-link {
    text-decoration: none;
}

.badge-link:hover .badge {
    opacity: 0.8;
    cursor: pointer;
}

/* =====================================================
   ALERTS
   ===================================================== */

.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    border-left: 4px solid;
}

.alert-success {
    background-color: var(--success-light);
    border-color: var(--success);
    color: #155724;
}

.alert-warning {
    background-color: var(--warning-light);
    border-color: var(--warning);
    color: #856404;
}

.alert-danger {
    background-color: var(--danger-light);
    border-color: var(--danger);
    color: #721c24;
}

.alert-info {
    background-color: var(--info-light);
    border-color: var(--info);
    color: #0c5460;
}

/* =====================================================
   EMPTY STATE
   ===================================================== */

.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--gray-500);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.empty-state p {
    margin-bottom: 1.5rem;
}

/* =====================================================
   LOGIN PAGE
   ===================================================== */

.login-page {
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 1rem;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-lg);
}

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

.login-header p {
    color: var(--gray-500);
    margin-top: 0.5rem;
}

/* =====================================================
   POSITIONS (Rechnungspositionen)
   ===================================================== */

.positionen-container {
    margin-top: 1.5rem;
}

.position-item {
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 1rem;
    margin-bottom: 1rem;
    position: relative;
}

.position-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.position-nummer {
    font-weight: 600;
    color: var(--gray-600);
}

.position-remove {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    padding: 0.25rem;
    font-size: 1.25rem;
}

.position-fields {
    display: grid;
    grid-template-columns: 2fr 80px 100px 100px 80px;
    gap: 0.75rem;
    align-items: end;
}

.position-fields .form-group {
    margin-bottom: 0;
}

.position-fields label {
    font-size: 0.8rem;
}

.add-position {
    margin-top: 1rem;
}

/* =====================================================
   YEAR FILTER
   ===================================================== */

.year-filter {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--white);
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
}

.year-filter label {
    font-weight: 500;
    color: var(--gray-600);
}

.year-filter select {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    font-size: 1rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236c757d' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    background-color: var(--white);
    cursor: pointer;
}

/* =====================================================
   FOOTER
   ===================================================== */

.footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--gray-500);
    font-size: 0.85rem;
    border-top: 1px solid var(--gray-200);
    margin-top: auto;
}

/* =====================================================
   UTILITIES
   ===================================================== */

.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--gray-500); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.hidden { display: none; }

/* =====================================================
   RESPONSIVE - TABLET
   ===================================================== */

@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .position-fields {
        grid-template-columns: 1fr 1fr;
    }
}

/* =====================================================
   RESPONSIVE - MOBILE
   ===================================================== */

@media (max-width: 600px) {
    /* Navbar Mobile */
    .navbar {
        padding: 0 0.5rem;
        height: 45px;
    }
    
    .logo-film, .logo-zeugs {
        font-size: 1rem;
    }
    
    .navbar-brand img {
        height: 22px !important;
    }
    
    .navbar-menu {
        gap: 0.15rem;
    }
    
    .nav-link {
        padding: 0.3rem 0.4rem;
        font-size: 0.75rem;
    }
    
    .nav-icon {
        font-size: 0.9rem;
        padding: 0.3rem 0.35rem !important;
    }
    
    /* Container Mobile */
    .container {
        padding: 1rem;
    }
    
    /* Page Header Mobile */
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .page-header .btn-group {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    
    /* Stats Grid Mobile - 2 Spalten */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
    }
    
    .stat-card {
        padding: 0.75rem;
        gap: 0.5rem;
    }
    
    .stat-icon {
        font-size: 1.25rem;
    }
    
    .stat-value {
        font-size: 0.95rem;
    }
    
    .stat-label {
        font-size: 0.7rem;
    }
    
    /* Tabelle Mobile - Karten-Layout */
    .table-container {
        overflow-x: visible;
    }
    
    .table thead {
        display: none;
    }
    
    .table tbody tr {
        display: block;
        background: var(--white);
        border-radius: var(--radius);
        margin-bottom: 0.75rem;
        padding: 0.75rem;
        box-shadow: var(--shadow);
        border-left: 4px solid var(--primary);
    }
    
    .table tbody tr:hover {
        background-color: var(--white);
    }
    
    .table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.35rem 0;
        border-bottom: none;
        font-size: 0.9rem;
    }
    
    .table td:before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--gray-600);
        font-size: 0.75rem;
        text-transform: uppercase;
    }
    
    .table td.actions {
        justify-content: flex-end;
        padding-top: 0.5rem;
        margin-top: 0.5rem;
        border-top: 1px solid var(--gray-200);
    }
    
    .table td.actions:before {
        display: none;
    }
    
    .table td.amount {
        text-align: right;
    }
    
    /* Buttons Mobile */
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.85rem;
    }
    
    .btn-sm {
        padding: 0.35rem 0.5rem;
        font-size: 0.75rem;
    }
    
    /* Cards Mobile */
    .card {
        padding: 1rem;
    }
    
    /* Forms Mobile */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .position-fields {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    /* Year Filter Mobile */
    .year-filter {
        padding: 0.5rem 0.75rem;
    }
}