:root {
    --primary: #c41e3a; /* Société Générale Red */
    --secondary: #000000;
    --accent: #5e1c1c;
    --bg-gradient: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text: #ffffff;
    --text-muted: #b0b0b0;
    --success: #00c853;
    --error: #ff1744;
}

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

body {
    font-family: 'Outfit', 'Inter', sans-serif;
    background: var(--bg-gradient);
    background-attachment: fixed;
    color: var(--text);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
    perspective: 1000px;
}

.card {
    background: var(--glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.8s ease-out;
}

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

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -1px;
    margin-top: 10px;
}

.logo span {
    color: var(--primary);
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-muted);
}

input {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 12px 16px;
    color: white;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 4px rgba(196, 30, 58, 0.1);
}

.btn {
    width: 100%;
    background: var(--primary);
    border: none;
    border-radius: 12px;
    padding: 16px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.btn:hover {
    background: #e62e4d;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -5px rgba(196, 30, 58, 0.4);
}

.btn:active {
    transform: translateY(0);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.amount-badge {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 16px;
    margin-bottom: 30px;
}

.amount-badge .label {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.amount-badge .value {
    font-size: 32px;
    font-weight: 800;
    color: white;
}

.error-message {
    background: rgba(255, 23, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
    display: none;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Utilities */
.text-center {
    text-align: center;
}

/* State screens (success, unavailable, loading) */
.state-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.state-text {
    color: var(--text-muted);
    margin-top: 10px;
}

.motif-display {
    font-size: 14px;
    margin-top: 10px;
    opacity: 0.8;
}

.loading-spinner-lg {
    display: inline-block;
    width: 40px;
    height: 40px;
}

/* Admin Specific */
.admin-layout {
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
    max-width: 1000px;
    margin: 40px auto;
}

body.theme-admin {
    align-items: flex-start;
}

.auth-card {
    margin: 100px auto;
    max-width: 400px;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logout-btn {
    background: transparent;
    border: 1px solid var(--error);
    color: var(--error);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
}

.card-spaced {
    margin-top: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.subtitle {
    opacity: 0.6;
    margin-top: 8px;
}

.generate-form-row {
    display: flex;
    gap: 15px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-top: 15px;
}

.generate-form-row .form-group {
    flex: 1;
    min-width: 150px;
    margin-bottom: 0;
}

.generate-form-row .btn {
    white-space: nowrap;
    height: 44px;
}

.generated-link-display {
    margin-top: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    display: none;
}

.generated-link-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.generated-link-row label {
    white-space: nowrap;
}

.generated-link-row input {
    font-size: 12px;
    flex: 1;
}

.admin-container {
    max-width: 1000px;
    margin: 50px auto;
}

.links-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 30px;
    background: var(--glass);
    border-radius: 16px;
    overflow: hidden;
}

.links-table th, .links-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.links-table th {
    background: rgba(255, 255, 255, 0.1);
    font-size: 14px;
    color: var(--text-muted);
}

.links-table tr:last-child td {
    border-bottom: none;
}

.status-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.status-active { background: rgba(0, 200, 83, 0.2); color: var(--success); }
.status-inactive { background: rgba(255, 23, 68, 0.2); color: var(--error); }

.copy-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 12px;
}

.copy-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Sortable headers */
th.sortable {
    cursor: pointer;
    user-select: none;
    transition: background 0.2s ease;
}

th.sortable:hover {
    background: rgba(255, 255, 255, 0.15);
}

.sort-arrow {
    font-size: 11px;
    margin-left: 4px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--glass-border);
}

.pagination-btn {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 13px;
    transition: all 0.2s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

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

.pagination-info {
    font-size: 13px;
    color: var(--text-muted);
}

/* Light theme */
body.theme-light {
    background: #ffffff;
    color: #1a1a1a;
}

body.theme-light .card {
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.1);
}

body.theme-light label {
    color: #333;
}

body.theme-light input {
    background: rgba(0, 0, 0, 0.05);
    border-color: rgba(0, 0, 0, 0.15);
    color: #1a1a1a;
}

body.theme-light .status-badge {
    color: #333;
}

body.theme-light .amount-badge {
    background: rgba(0, 0, 0, 0.05);
}

body.theme-light .amount-badge .value {
    color: #1a1a1a;
}