/* ============================================
   Owlpost 学籍登记系统 - 共用样式
   哈利波特魔法主题
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@400;600;700&family=Noto+Serif+SC:wght@400;600;700&display=swap');

/* === CSS Variables === */
:root {
    --gold: #d4a843;
    --gold-light: #f0d68a;
    --gold-dark: #b08930;
    --parchment: #f5e6c8;
    --parchment-dark: #e8d5a8;
    --ink: #2c1810;
    --ink-light: #5a3825;
    --bg-dark: #0f0c18;
    --bg-card: rgba(20, 16, 32, 0.85);
    --bg-input: rgba(245, 230, 200, 0.08);
    --border-subtle: rgba(212, 168, 67, 0.25);
    --border-glow: rgba(212, 168, 67, 0.5);
    --success: #4ade80;
    --error: #f87171;
    --trial: #60a5fa;
    --active: #4ade80;
    --expired: #f59e0b;
    --suspended: #f87171;
    --unknown: #9ca3af;
    --shadow-gold: 0 0 30px rgba(212, 168, 67, 0.15);
    --font-display: 'Cinzel', 'Noto Serif SC', serif;
    --font-body: 'Noto Serif SC', 'Georgia', serif;
}

/* === Reset & Base === */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--bg-dark);
    color: var(--parchment);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
}

/* === Animated Background === */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(60, 40, 100, 0.3) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(100, 60, 30, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(30, 50, 80, 0.25) 0%, transparent 60%);
    z-index: -1;
    animation: bgShift 20s ease-in-out infinite alternate;
}

@keyframes bgShift {
    0% {
        opacity: 0.8;
    }

    100% {
        opacity: 1;
    }
}

/* Floating particles */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 10% 20%, rgba(212, 168, 67, 0.3), transparent),
        radial-gradient(2px 2px at 30% 70%, rgba(212, 168, 67, 0.2), transparent),
        radial-gradient(1px 1px at 50% 40%, rgba(212, 168, 67, 0.4), transparent),
        radial-gradient(2px 2px at 70% 60%, rgba(212, 168, 67, 0.15), transparent),
        radial-gradient(1px 1px at 90% 30%, rgba(212, 168, 67, 0.35), transparent),
        radial-gradient(1px 1px at 15% 90%, rgba(212, 168, 67, 0.25), transparent),
        radial-gradient(2px 2px at 85% 85%, rgba(212, 168, 67, 0.2), transparent);
    z-index: -1;
    animation: sparkle 8s ease-in-out infinite alternate;
}

@keyframes sparkle {
    0% {
        transform: translateY(0);
        opacity: 0.6;
    }

    100% {
        transform: translateY(-15px);
        opacity: 1;
    }
}

/* === Container === */
.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 40px 20px;
}

.container-wide {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* === Header === */
.page-header {
    text-align: center;
    margin-bottom: 40px;
}

.page-header .owl-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    animation: owlFloat 3s ease-in-out infinite;
    display: block;
}

@keyframes owlFloat {

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

    50% {
        transform: translateY(-8px);
    }
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--gold);
    text-shadow: 0 0 20px rgba(212, 168, 67, 0.3);
    letter-spacing: 3px;
    margin-bottom: 8px;
}

.page-header .subtitle {
    font-size: 0.9rem;
    color: rgba(245, 230, 200, 0.5);
    letter-spacing: 1px;
}

/* === Card / Form Container === */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 36px 32px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-gold);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.6;
}

/* === Form Elements === */
.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 8px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.form-group .label-hint {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: rgba(245, 230, 200, 0.4);
    font-weight: 400;
    text-transform: none;
    letter-spacing: 0;
    margin-left: 8px;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-subtle);
    border-radius: 10px;
    color: var(--parchment);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all 0.3s ease;
    outline: none;
}

.form-input::placeholder {
    color: rgba(245, 230, 200, 0.3);
}

.form-input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.1), 0 0 15px rgba(212, 168, 67, 0.1);
    background: rgba(245, 230, 200, 0.12);
}

/* === UID List === */
.uid-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.uid-row {
    display: flex;
    gap: 8px;
    align-items: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.uid-row .form-input {
    flex: 1;
}

.uid-row .uid-index {
    font-family: var(--font-display);
    font-size: 0.75rem;
    color: var(--gold-dark);
    min-width: 20px;
    text-align: center;
}

/* === Buttons === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.5s, height 0.5s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-dark), var(--gold));
    color: var(--ink);
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    text-shadow: 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    box-shadow: 0 4px 20px rgba(212, 168, 67, 0.35);
    transform: translateY(-1px);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    background: rgba(212, 168, 67, 0.1);
    color: var(--gold);
    border: 1px solid var(--border-subtle);
    padding: 8px 16px;
    font-size: 0.8rem;
}

.btn-secondary:hover {
    background: rgba(212, 168, 67, 0.2);
    border-color: var(--gold);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: 8px;
    font-size: 1.1rem;
    min-width: 36px;
}

.btn-remove {
    background: rgba(248, 113, 113, 0.1);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-remove:hover {
    background: rgba(248, 113, 113, 0.2);
    border-color: var(--error);
}

.btn-add {
    background: rgba(212, 168, 67, 0.08);
    color: var(--gold);
    border: 1px dashed var(--border-subtle);
    width: 100%;
    padding: 10px;
    font-size: 0.85rem;
    border-radius: 10px;
    margin-top: 4px;
}

.btn-add:hover {
    background: rgba(212, 168, 67, 0.15);
    border-color: var(--gold);
    border-style: solid;
}

/* === Toast / Messages === */
.toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-100px);
    padding: 14px 28px;
    border-radius: 12px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 9999;
    transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    backdrop-filter: blur(20px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    max-width: calc(100vw - 40px);
    text-align: center;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
}

.toast.success {
    background: rgba(16, 40, 28, 0.9);
    color: var(--success);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.toast.error {
    background: rgba(40, 16, 16, 0.9);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

/* === Success Overlay === */
.success-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(15, 12, 24, 0.92);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.success-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.success-overlay .check-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: checkBounce 0.6s ease;
}

@keyframes checkBounce {
    0% {
        transform: scale(0);
    }

    50% {
        transform: scale(1.2);
    }

    100% {
        transform: scale(1);
    }
}

.success-overlay h2 {
    font-family: var(--font-display);
    color: var(--gold);
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.success-overlay p {
    color: rgba(245, 230, 200, 0.6);
    font-size: 0.9rem;
}

/* === Admin Specific === */

/* Login Card */
.login-card {
    max-width: 400px;
    margin: 120px auto;
}

/* Data Table */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border-subtle);
    margin-top: 24px;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    background: rgba(212, 168, 67, 0.1);
    color: var(--gold);
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-subtle);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid rgba(212, 168, 67, 0.08);
    vertical-align: top;
}

.data-table tr:hover td {
    background: rgba(212, 168, 67, 0.04);
}

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

/* Status Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.status-badge.trial {
    background: rgba(96, 165, 250, 0.15);
    color: var(--trial);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.status-badge.active {
    background: rgba(74, 222, 128, 0.15);
    color: var(--active);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.status-badge.expired {
    background: rgba(245, 158, 11, 0.15);
    color: var(--expired);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-badge.suspended {
    background: rgba(248, 113, 113, 0.15);
    color: var(--suspended);
    border: 1px solid rgba(248, 113, 113, 0.3);
}

.status-badge.unknown {
    background: rgba(156, 163, 175, 0.15);
    color: var(--unknown);
    border: 1px solid rgba(156, 163, 175, 0.3);
}

/* UID detail block in table */
.uid-detail {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.uid-item {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.uid-text {
    font-family: 'Courier New', monospace;
    font-size: 0.78rem;
    color: rgba(245, 230, 200, 0.7);
    word-break: break-all;
}

.uid-date {
    font-size: 0.72rem;
    color: rgba(245, 230, 200, 0.4);
}

/* Search bar */
.search-bar {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-bar .form-input {
    flex: 1;
    min-width: 200px;
}

/* Stats row */
.stats-row {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.stat-card {
    flex: 1;
    min-width: 120px;
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 16px 20px;
    text-align: center;
}

.stat-card .stat-value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold);
    margin-bottom: 4px;
}

.stat-card .stat-label {
    font-size: 0.75rem;
    color: rgba(245, 230, 200, 0.5);
    letter-spacing: 1px;
}

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(212, 168, 67, 0.3);
    border-top-color: var(--gold);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.loading-overlay {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    gap: 16px;
    color: rgba(245, 230, 200, 0.5);
    font-size: 0.9rem;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: rgba(245, 230, 200, 0.4);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

/* === Responsive === */
@media (max-width: 640px) {

    .container,
    .container-wide {
        padding: 24px 16px;
    }

    .card {
        padding: 24px 20px;
    }

    .page-header h1 {
        font-size: 1.5rem;
        letter-spacing: 2px;
    }

    .stats-row {
        gap: 10px;
    }

    .stat-card {
        min-width: 80px;
        padding: 12px 14px;
    }

    .stat-card .stat-value {
        font-size: 1.4rem;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }
}

/* === Footer === */
.page-footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: rgba(245, 230, 200, 0.25);
    font-size: 0.75rem;
    letter-spacing: 1px;
}

/* === Modal Overlay === */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 8, 18, 0.85);
    backdrop-filter: blur(8px);
    align-items: center;
    justify-content: center;
    z-index: 2000;
    display: none;
    padding: 20px;
}

.modal-overlay.show {
    display: flex;
}

.modal-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: 32px;
    width: 100%;
    max-width: 520px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), var(--shadow-gold);
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s ease;
}

.modal-overlay.show .modal-card {
    transform: translateY(0) scale(1);
}

.modal-card-sm {
    max-width: 400px;
}

.modal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0.6;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.modal-header h3 {
    font-family: var(--font-display);
    color: var(--gold);
    font-size: 1.15rem;
    letter-spacing: 1px;
}

.modal-close {
    background: rgba(248, 113, 113, 0.1);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.2);
    font-size: 0.9rem;
}

.modal-close:hover {
    background: rgba(248, 113, 113, 0.25);
    border-color: var(--error);
}

.modal-body-text {
    color: var(--parchment);
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 28px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.modal-submit-btn {
    width: auto;
    min-width: 120px;
}

/* === Action Buttons (table row) === */
.action-cell {
    white-space: nowrap;
}

.btn-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border-radius: 8px;
    font-size: 0.85rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-right: 4px;
}

.btn-edit {
    background: rgba(96, 165, 250, 0.12);
    color: #60a5fa;
    border: 1px solid rgba(96, 165, 250, 0.25);
}

.btn-edit:hover {
    background: rgba(96, 165, 250, 0.25);
    border-color: #60a5fa;
    box-shadow: 0 0 10px rgba(96, 165, 250, 0.2);
}

.btn-delete {
    background: rgba(248, 113, 113, 0.1);
    color: var(--error);
    border: 1px solid rgba(248, 113, 113, 0.2);
}

.btn-delete:hover {
    background: rgba(248, 113, 113, 0.22);
    border-color: var(--error);
    box-shadow: 0 0 10px rgba(248, 113, 113, 0.2);
}

/* === Danger Button === */
.btn-danger {
    background: linear-gradient(135deg, #c0392b, #e74c3c);
    color: #fff;
    padding: 10px 20px;
    font-size: 0.88rem;
    text-shadow: 0 1px 1px rgba(0, 0, 0, 0.2);
}

.btn-danger:hover {
    background: linear-gradient(135deg, #e74c3c, #f87171);
    box-shadow: 0 4px 16px rgba(231, 76, 60, 0.35);
    transform: translateY(-1px);
}

.btn-danger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* === Duplicate Row Highlight === */
.duplicate-row td {
    background: rgba(245, 158, 11, 0.1) !important;
    border-left: 3px solid var(--expired);
}

.duplicate-row:hover td {
    background: rgba(245, 158, 11, 0.16) !important;
}

/* === Modal Responsive === */
@media (max-width: 640px) {
    .modal-card {
        padding: 24px 20px;
        max-height: 85vh;
    }

    .modal-actions {
        flex-direction: column;
    }

    .modal-actions .btn {
        width: 100%;
    }

    .modal-submit-btn {
        width: 100%;
    }
}