/* === AMN Server Billing - CSS Styles === */
/* Mobile-first, dark theme, modern design */

:root {
    /* Colors */
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --success: #10b981;
    --success-bg: #10b98120;
    --warning: #f59e0b;
    --warning-bg: #f59e0b20;
    --danger: #ef4444;
    --danger-bg: #ef444420;
    --primary: #6366f1;
    --primary-hover: #4f46e5;

    /* Sizing */
    --radius: 12px;
    --radius-sm: 8px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: 'Segoe UI', -apple-system, sans-serif;
    background: var(--bg-dark);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.5;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
}

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

.login-page {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    text-align: center;
}

.logo {
    margin-bottom: 40px;
}

.logo-icon {
    font-size: 64px;
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.logo h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--primary), #a855f7);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form {
    width: 100%;
    max-width: 360px;
}

.input-group {
    display: flex;
    gap: 8px;
    background: var(--bg-card);
    padding: 8px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.input-group input {
    flex: 1;
    background: var(--bg-input);
    border: none;
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
    transition: box-shadow 0.2s;
}

.input-group input:focus {
    box-shadow: 0 0 0 2px var(--primary);
}

.input-group input::placeholder {
    color: var(--text-muted);
}

.input-group button {
    background: var(--primary);
    border: none;
    padding: 14px 20px;
    border-radius: var(--radius-sm);
    color: white;
    font-size: 18px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
}

.input-group button:hover {
    background: var(--primary-hover);
}

.input-group button:active {
    transform: scale(0.95);
}

.error-message {
    margin-top: 16px;
    padding: 12px;
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 14px;
}

.login-footer {
    margin-top: 40px;
}

.login-footer a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 14px;
    transition: color 0.2s;
}

.login-footer a:hover {
    color: var(--text-secondary);
}

/* === DASHBOARD === */

.dashboard {
    padding-bottom: 40px;
}

.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--bg-input);
}

.back-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 20px;
    transition: background 0.2s;
}

.back-btn:hover {
    background: var(--bg-input);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow);
}

.username {
    font-weight: 600;
    font-size: 18px;
}

/* === CARDS === */

.cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

@media (max-width: 480px) {
    .cards {
        grid-template-columns: 1fr;
    }
}

.card {
    background: var(--bg-card);
    padding: 16px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

.card-label {
    font-size: 12px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 8px;
}

.card-value {
    font-size: 18px;
    font-weight: 700;
}

.card-success {
    border-left: 4px solid var(--success);
}

.card-warning {
    border-left: 4px solid var(--warning);
}

.card-danger {
    border-left: 4px solid var(--danger);
}

.card-success .card-value {
    color: var(--success);
}

.card-warning .card-value {
    color: var(--warning);
}

.card-danger .card-value {
    color: var(--danger);
}

.status-icon {
    display: inline-block;
    margin-right: 4px;
}

/* Progress bar */
.progress-bar {
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    margin-top: 12px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.progress-success {
    background: var(--success);
}

.progress-warning {
    background: var(--warning);
}

.progress-danger {
    background: var(--danger);
}

/* === SECTIONS === */

.section {
    background: var(--bg-card);
    border-radius: var(--radius);
    margin-bottom: 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    user-select: none;
}

.section-header:hover {
    background: var(--bg-input);
}

details .section-header {
    list-style: none;
}

details .section-header::-webkit-details-marker {
    display: none;
}

.toggle-icon {
    font-size: 12px;
    color: var(--text-muted);
    transition: transform 0.3s;
}

details[open] .toggle-icon {
    transform: rotate(180deg);
}

.section-content {
    padding: 0 20px 20px;
}

/* === PERIOD INFO === */

.period-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.info-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.info-row span:first-child {
    color: var(--text-muted);
    min-width: 80px;
}

.muted {
    color: var(--text-muted);
    font-size: 14px;
}

/* === QR SECTION === */

.qr-section {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    flex-wrap: wrap;
}

.qr-code {
    background: white;
    padding: 12px;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.qr-code svg {
    display: block;
}

.payment-info {
    flex: 1;
    min-width: 200px;
}

.payment-info .amount {
    font-size: 24px;
    color: var(--primary);
}

/* === TABLE === */

.table-wrapper {
    overflow-x: auto;
    margin: 0 -20px;
    padding: 0 20px;
}

.payments-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.payments-table th,
.payments-table td {
    padding: 12px 8px;
    text-align: left;
    border-bottom: 1px solid var(--bg-input);
}

.payments-table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
}

.payments-table tbody tr:hover {
    background: var(--bg-input);
}

.empty-state {
    color: var(--text-muted);
    text-align: center;
    padding: 20px;
}

/* === FAQ === */

.faq {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    padding-bottom: 16px;
    border-bottom: 1px solid var(--bg-input);
}

.faq-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.faq-item strong {
    display: block;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.faq-item p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* === ADMIN PANEL === */

.admin-body {
    background: linear-gradient(135deg, var(--bg-dark), #1a1a2e);
}

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

.admin-panel h1 {
    font-size: 24px;
}

.logout-btn {
    color: var(--text-muted);
    text-decoration: none;
    padding: 8px 16px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 14px;
    transition: background 0.2s;
}

.logout-btn:hover {
    background: var(--bg-input);
    color: var(--text-primary);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.tab {
    background: var(--bg-card);
    border: none;
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.tab:hover {
    background: var(--bg-input);
}

.tab.active {
    background: var(--primary);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Alerts */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: var(--success-bg);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: var(--danger-bg);
    border: 1px solid var(--danger);
    color: var(--danger);
}

/* Admin table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.admin-table th,
.admin-table td {
    padding: 12px 8px;
    text-align: left;
    border-bottom: 1px solid var(--bg-input);
}

.admin-table th {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 12px;
    text-transform: uppercase;
}

.admin-table tbody tr:hover {
    background: var(--bg-input);
}

.player-cell {
    display: flex;
    align-items: center;
    gap: 8px;
}

.mini-avatar {
    width: 24px;
    height: 24px;
    border-radius: 4px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

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

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
}

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

/* Buttons */
.btn-sm {
    background: var(--bg-input);
    border: none;
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-sm:hover {
    background: var(--text-muted);
}

.btn-delete:hover {
    background: var(--danger-bg);
}

/* Forms */
.admin-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (max-width: 480px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    color: var(--text-secondary);
}

.form-group input,
.form-group select {
    background: var(--bg-input);
    border: 1px solid transparent;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 15px;
    outline: none;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus {
    border-color: var(--primary);
}

.form-group select {
    cursor: pointer;
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    gap: 12px;
    padding-top: 8px;
}

.btn {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-secondary);
}

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

code {
    background: var(--bg-input);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Consolas', monospace;
    font-size: 13px;
}

/* Text colors */
.text-success {
    color: var(--success);
}

.text-warning {
    color: var(--warning);
}

.text-danger {
    color: var(--danger);
}

/* === RESPONSIVE === */

@media (min-width: 768px) {
    .container {
        max-width: 700px;
        padding: 40px;
    }

    .logo h1 {
        font-size: 36px;
    }

    .card-value {
        font-size: 20px;
    }
}