@import url('https://fonts.googleapis.com/css?family=Outfit:300,400,500,600,700&display=swap');

:root {
    --bg-dark: #0f1015;
    --card-bg: rgba(22, 24, 33, 0.85);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #ff3c30; /* Stromer red accent */
    --accent-glow: rgba(255, 60, 48, 0.25);
    --accent-teal: #06b6d4;
    --teal-glow: rgba(6, 182, 212, 0.25);
    --accent-green: #10b981;
    --glass-blur: blur(12px);
    --shadow-premium: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

html, body {
    background-color: var(--bg-dark) !important;
    color: var(--text-primary) !important;
    font-family: 'Outfit', 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
    min-height: 100vh;
}

/* Page Layout */
.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
}

.sidebar-container {
    background-color: rgba(13, 14, 20, 0.95);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.brand-logo {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--accent-color), #ec4899);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: #fff;
    box-shadow: 0 0 15px rgba(255, 60, 48, 0.4);
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.025em;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.main-content {
    padding: 2rem;
    overflow-y: auto;
    height: 100vh;
}

/* Glassmorphism Cards */
.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    box-shadow: var(--shadow-premium);
    padding: 1.75rem;
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: rgba(255, 255, 255, 0.12);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.6);
}

/* Premium Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0;
}

/* Dashboard List Grid */
.pedelec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.bike-card {
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.bike-card.active {
    border-color: var(--accent-teal);
    box-shadow: 0 0 20px var(--teal-glow);
}

.bike-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: var(--transition-smooth);
}

.bike-card.active::before {
    background: var(--accent-teal);
}

.bike-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.bike-badge {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
}

.bike-badge-speed {
    background: rgba(255, 60, 48, 0.15);
    color: var(--accent-color);
}

.bike-badge-normal {
    background: rgba(6, 182, 212, 0.15);
    color: var(--accent-teal);
}

.bike-card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.bike-spec-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.5rem;
    font-size: 0.85rem;
}

.spec-item {
    display: flex;
    flex-direction: column;
}

.spec-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    margin-bottom: 0.15rem;
}

.spec-val {
    color: var(--text-primary);
    font-weight: 500;
}

/* Tabs Navigation */
.custom-tabs {
    display: flex;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    border-bottom: 2px solid transparent;
    transition: var(--transition-smooth);
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.03);
}

.tab-btn.active {
    color: var(--accent-teal);
    border-bottom-color: var(--accent-teal);
    background: rgba(6, 182, 212, 0.05);
}

/* Custom Form Styling */
.form-section-title {
    font-size: 1.1rem;
    color: var(--accent-teal);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding-bottom: 0.5rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin-bottom: 1.5rem;
}

.form-group-full {
    grid-column: 1 / -1;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-primary);
    display: flex;
    justify-content: space-between;
}

.form-label-opt {
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 400;
}

.custom-input {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.6rem 0.8rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.custom-input:focus {
    outline: none;
    border-color: var(--accent-teal);
    box-shadow: 0 0 10px rgba(6, 182, 212, 0.15);
    background: rgba(255, 255, 255, 0.05);
}

.custom-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.8rem center;
    background-size: 1.1rem;
    padding-right: 2.2rem;
}

.custom-select option {
    background-color: var(--bg-dark);
    color: var(--text-primary);
}

/* Switches & Checkboxes */
.checkbox-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
}

.checkbox-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-smooth);
}

.checkbox-card:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.15);
}

.checkbox-card.checked {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.05);
}

.custom-checkbox {
    width: 18px;
    height: 18px;
    border: 2px solid var(--text-secondary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.checkbox-card.checked .custom-checkbox {
    border-color: var(--accent-green);
    background: var(--accent-green);
}

.custom-checkbox svg {
    display: none;
    width: 12px;
    height: 12px;
    stroke: white;
    stroke-width: 3px;
}

.checkbox-card.checked .custom-checkbox svg {
    display: block;
}

/* Buttons */
.btn-group-row {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
}

.custom-btn {
    border: none;
    border-radius: 8px;
    padding: 0.65rem 1.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
}

.btn-primary {
    background: var(--accent-teal);
    color: #0f172a;
}

.btn-primary:hover {
    background: #22d3ee;
    box-shadow: 0 0 15px rgba(6, 182, 212, 0.4);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.15);
    color: #f87171;
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: #ef4444;
    color: white;
}

/* JSON Exporter Panel */
.json-panel {
    background: #090a0f;
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1.25rem;
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85rem;
    max-height: 400px;
    overflow-y: auto;
    color: #e2e8f0;
}

.json-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.json-copy-btn {
    background: rgba(255, 255, 255, 0.06);
    border: none;
    border-radius: 6px;
    padding: 0.35rem 0.75rem;
    color: var(--text-primary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.json-copy-btn:hover {
    background: rgba(255, 255, 255, 0.12);
}

/* Validations alerts */
.validation-summary {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid #ef4444;
    padding: 1rem;
    border-radius: 0 8px 8px 0;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.validation-summary ul {
    margin: 0.5rem 0 0 0;
    padding-left: 1.25rem;
    color: #f87171;
}

.field-error-message {
    color: #f87171;
    font-size: 0.75rem;
    margin-top: 0.25rem;
}

/* Responsive Grid columns */
.split-layout {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 1200px) {
    .split-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    .sidebar-container {
        display: none;
    }
}

/* Data Table Styles */
.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    text-align: left;
}

.specs-table thead tr {
    border-bottom: 2px solid var(--border-color);
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    position: sticky;
    top: 0;
    background: rgba(22, 24, 33, 0.98);
    backdrop-filter: blur(8px);
}

.specs-table thead th {
    padding: 0.6rem 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}

.specs-table thead th:hover {
    color: var(--text-primary);
}

.specs-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: background 0.15s ease;
}

.specs-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.specs-table tbody tr.selected-row {
    background: rgba(6, 182, 212, 0.08);
    border-color: rgba(6, 182, 212, 0.3);
}

.specs-table tbody tr.selected-row td:first-child {
    border-left: 3px solid var(--accent-teal);
}

.specs-table tbody td {
    padding: 0.65rem 0.75rem;
    vertical-align: middle;
    border-left: 3px solid transparent;
}

.table-scroll-wrapper {
    overflow-x: auto;
    max-height: 270px;
    overflow-y: auto;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.table-scroll-wrapper::-webkit-scrollbar {
    height: 6px;
    width: 6px;
}

.table-scroll-wrapper::-webkit-scrollbar-track {
    background: transparent;
}

.table-scroll-wrapper::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

.table-scroll-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Filter row */
.table-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.table-toolbar-left {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.table-count-badge {
    background: rgba(6, 182, 212, 0.12);
    color: var(--accent-teal);
    padding: 0.15rem 0.6rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}


/* Save success toast */
.save-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid var(--accent-green);
    color: var(--accent-green);
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    z-index: 9999;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideInToast 0.3s ease;
}

@keyframes slideInToast {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* mt helpers */
.mt-4 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.gap-2 { gap: 0.5rem; }

/* d-flex bootstrap compat */
.d-flex { display: flex; }
.justify-content-between { justify-content: space-between; }
.justify-content-end { justify-content: flex-end; }
.align-items-center { align-items: center; }
.flex-wrap { flex-wrap: wrap; }

/* Inline Table Filters */
.filter-row {
    background: rgba(13, 14, 20, 0.4) !important;
}

.filter-input {
    padding: 0.25rem 0.5rem !important;
    font-size: 0.75rem !important;
    height: 30px !important;
    width: 100%;
}

select.filter-input.custom-select {
    background-position: right 0.4rem center;
    background-size: 0.8rem;
    padding-right: 1.5rem !important;
}

/* Pagination Bar */
.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.pagination-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.page-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.page-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-teal);
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-info {
    font-weight: 500;
    margin: 0 0.5rem;
}

/* Status Badges */
.status-badge {
    font-size: 0.7rem;
    font-weight: 600;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    text-transform: uppercase;
}

.status-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-inactive {
    background: rgba(148, 163, 184, 0.15);
    color: var(--text-secondary);
    border: 1px solid rgba(148, 163, 184, 0.3);
}

.inactive-row {
    opacity: 0.7;
}