/* ═══════════════════════════════════════════════════════════
   Love Wallpaper Service — Dark Glassmorphism Theme
   ═══════════════════════════════════════════════════════════ */

/* ── Reset & Variables ───────────────────────────────────── */

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

:root {
    --bg-primary: #08080e;
    --bg-secondary: #0e0e18;
    --bg-card: rgba(255, 255, 255, 0.04);
    --bg-card-hover: rgba(255, 255, 255, 0.07);
    --bg-glass: rgba(255, 255, 255, 0.06);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-active: rgba(255, 107, 157, 0.4);

    --accent: #ff6b9d;
    --accent-glow: rgba(255, 107, 157, 0.3);
    --accent-secondary: #c44dff;
    --accent-secondary-glow: rgba(196, 77, 255, 0.2);

    --text-primary: #e8e4f0;
    --text-secondary: #9590a8;
    --text-muted: #5a5670;

    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--accent-glow);

    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-handwriting: 'Caveat', cursive;
}

body {
    font-family: var(--font-main);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Animated background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(ellipse at 20% 0%, rgba(255, 107, 157, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(196, 77, 255, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse at 50% 50%, rgba(100, 100, 200, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.app {
    position: relative;
    z-index: 1;
    min-height: 100vh;
}

/* ── Navbar ──────────────────────────────────────────────── */

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 32px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    font-size: 24px;
    animation: pulse-heart 2s ease-in-out infinite;
}

@keyframes pulse-heart {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.15); }
}

.logo-text {
    font-size: 18px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-btn {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
    border: 1px solid var(--border-glass);
}

.nav-btn:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-active);
}

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

/* ── Buttons ─────────────────────────────────────────────── */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-glass);
    background: var(--bg-card);
    color: var(--text-primary);
    text-decoration: none;
}

.btn:hover {
    background: var(--bg-card-hover);
    transform: translateY(-1px);
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border: none;
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 50px var(--accent-glow);
    transform: translateY(-2px);
}

.btn-ghost {
    background: transparent;
    border-color: transparent;
    color: var(--text-secondary);
}

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

.btn-outline {
    background: transparent;
    border: 1px dashed var(--border-active);
    color: var(--accent);
}

.btn-outline:hover {
    background: rgba(255, 107, 157, 0.1);
}

.btn-sm {
    padding: 6px 14px;
    font-size: 13px;
}

.icon-btn {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    font-size: 16px;
}

.icon-btn:hover {
    background: var(--bg-card-hover);
}

.icon-btn-danger:hover {
    background: rgba(255, 50, 50, 0.2);
}

/* ── Main Content ────────────────────────────────────────── */

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 32px 24px;
}

/* ── Dashboard ───────────────────────────────────────────── */

.couple-header {
    text-align: center;
    margin-bottom: 48px;
}

.couple-title {
    font-size: 32px;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-bottom: 8px;
}

.name-highlight {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.heart-divider {
    animation: pulse-heart 2s ease-in-out infinite;
    font-size: 36px;
}

.couple-date {
    color: var(--text-secondary);
    font-size: 15px;
}

.wallpaper-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 32px;
    margin-bottom: 48px;
}

.wallpaper-card {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: var(--transition);
}

.wallpaper-card:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: 20px;
}

.card-header h2 {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 4px;
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ── Phone Frame ─────────────────────────────────────────── */

.phone-frame {
    position: relative;
    width: 220px;
    aspect-ratio: 9 / 19.5;
    margin: 0 auto 20px;
    border-radius: 28px;
    background: #1a1a1a;
    padding: 8px;
    box-shadow:
        0 0 0 2px #333,
        var(--shadow-lg);
    overflow: hidden;
}

.phone-frame-large {
    width: 300px;
}

.phone-notch {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 24px;
    background: #1a1a1a;
    border-radius: 12px;
    z-index: 10;
}

.phone-frame-large .phone-notch {
    width: 100px;
    height: 28px;
    top: 14px;
}

.phone-screen-container {
    position: relative;
    width: 100%;
    height: 100%;
    border-radius: 20px;
    overflow: hidden;
}

.phone-screen-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 20px;
}

.card-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-bottom: 16px;
}

.card-shortcut {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 12px;
}

.shortcut-label {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.shortcut-url {
    display: block;
    font-size: 11px;
    color: var(--accent);
    word-break: break-all;
    cursor: pointer;
    padding: 8px;
    background: rgba(0, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.shortcut-url:hover {
    background: rgba(255, 107, 157, 0.1);
}

.shortcut-url.copied {
    color: #4ade80;
    background: rgba(74, 222, 128, 0.1);
}

/* ── Settings ────────────────────────────────────────────── */

.settings-section, .setup-section {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 28px;
    margin-bottom: 32px;
}

.section-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    align-items: end;
}

.setting-item label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.setting-item input[type="text"],
.setting-item input[type="date"] {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 14px;
    transition: var(--transition);
}

.setting-item input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.setting-action {
    display: flex;
    align-items: flex-end;
}

/* ── Setup Steps ─────────────────────────────────────────── */

.steps {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.step-number {
    width: 36px;
    height: 36px;
    min-width: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    border-radius: 50%;
    font-weight: 700;
    font-size: 16px;
    color: white;
}

.step-content h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* ── Editor Layout ───────────────────────────────────────── */

.editor-layout {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 32px;
    align-items: start;
}

.editor-preview-col {
    position: sticky;
    top: 80px;
}

.preview-actions {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 16px;
}

.editor-controls-col {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* ── Background Controls ─────────────────────────────────── */

.control-section {
    background: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.bg-type-toggle {
    display: flex;
    gap: 4px;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: 4px;
    margin-bottom: 16px;
}

.toggle-btn {
    flex: 1;
    padding: 8px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-main);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border-radius: 6px;
    transition: var(--transition);
}

.toggle-btn.active {
    background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
    color: white;
}

.bg-controls.hidden {
    display: none;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.preset-swatch {
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    min-height: 48px;
}

.preset-swatch:hover {
    transform: scale(1.1);
    border-color: var(--border-active);
}

.preset-swatch.active {
    border-color: var(--accent);
    box-shadow: 0 0 12px var(--accent-glow);
}

.color-row {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.color-row input[type="color"] {
    width: 48px;
    height: 32px;
    border: 1px solid var(--border-glass);
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    padding: 2px;
}

.upload-area {
    text-align: center;
    padding: 20px;
    border: 2px dashed var(--border-glass);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.upload-status {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.slider-row {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.slider-row label {
    font-size: 13px;
    color: var(--text-secondary);
    min-width: 90px;
}

.slider-row input[type="range"] {
    flex: 1;
    accent-color: var(--accent);
}

.slider-row span {
    font-size: 13px;
    color: var(--text-muted);
    min-width: 35px;
    text-align: right;
}

/* ── Elements List ───────────────────────────────────────── */

.elements-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.element-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.element-item:hover {
    border-color: var(--border-active);
    background: var(--bg-card-hover);
}

.element-item.item-disabled {
    opacity: 0.4;
}

.element-icon {
    font-size: 20px;
    min-width: 28px;
    text-align: center;
}

.element-info {
    flex: 1;
    min-width: 0;
}

.element-type {
    display: block;
    font-size: 13px;
    font-weight: 500;
}

.element-content {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.element-actions {
    display: flex;
    gap: 2px;
}

.add-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ── Draggable Handles ───────────────────────────────────── */

.element-handle {
    position: absolute;
    width: 36px;
    height: 36px;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 107, 157, 0.3);
    border: 2px solid var(--accent);
    border-radius: 50%;
    cursor: grab;
    transition: box-shadow 0.15s ease;
    z-index: 5;
    user-select: none;
    touch-action: none;
}

.element-handle:hover {
    box-shadow: 0 0 16px var(--accent-glow);
    transform: translate(-50%, -50%) scale(1.15);
}

.element-handle:active {
    cursor: grabbing;
}

.element-handle.handle-disabled {
    opacity: 0.3;
    border-color: var(--text-muted);
    background: rgba(90, 86, 112, 0.3);
}

.handle-label {
    font-size: 16px;
    pointer-events: none;
}

/* ── Modal ───────────────────────────────────────────────── */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

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

.modal {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 420px;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    animation: modal-in 0.3s ease;
}

@keyframes modal-in {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.modal-body {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-group input[type="text"],
.form-group select {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-main);
    font-size: 14px;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group select {
    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='%239590a8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

.form-group input[type="range"] {
    width: 100%;
    accent-color: var(--accent);
}

.form-group input[type="color"] {
    width: 100%;
    height: 40px;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-sm);
    background: transparent;
    cursor: pointer;
    padding: 4px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

/* ── Toast ────────────────────────────────────────────────── */

.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    box-shadow: var(--shadow-md);
    z-index: 2000;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

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

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 768px) {
    .navbar {
        padding: 12px 16px;
    }

    .main-content {
        padding: 20px 12px;
    }

    .couple-title {
        font-size: 24px;
    }

    .wallpaper-cards {
        grid-template-columns: 1fr;
    }

    .phone-frame {
        width: 180px;
    }

    .editor-layout {
        grid-template-columns: 1fr;
    }

    .editor-preview-col {
        position: static;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .phone-frame-large {
        width: 240px;
    }

    .preset-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .couple-title {
        font-size: 20px;
        flex-direction: column;
        gap: 8px;
    }

    .phone-frame {
        width: 160px;
    }

    .phone-frame-large {
        width: 200px;
    }

    .nav-links {
        gap: 6px;
    }

    .nav-btn {
        font-size: 12px;
        padding: 6px 10px;
    }
}

/* ── Scrollbar ───────────────────────────────────────────── */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-glass);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ── Selection ───────────────────────────────────────────── */

::selection {
    background: var(--accent);
    color: white;
}