/* =====================================================
   Wishlist Gift Mini App — Minimal Design
   Один продукт, два режима: даритель / модель
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg: #ffffff;
    --bg-secondary: #f8f9fa;
    --text: #1a1a1a;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: #eef2ff;
    --success: #10b981;
    --success-light: #d1fae5;
    --warning: #f59e0b;
    --warning-light: #fef3c7;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-lg: 0 4px 12px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

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

html, body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* =====================================================
   Layout
   ===================================================== */

.app {
    max-width: 480px;
    margin: 0 auto;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.app-content {
    flex: 1;
    padding: 20px;
    padding-bottom: 100px;
}

.app-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    padding: 8px 20px;
    padding-bottom: max(8px, env(safe-area-inset-bottom));
    display: flex;
    justify-content: center;
    gap: 8px;
    z-index: 100;
}

.app-nav.hidden { display: none; }

/* =====================================================
   Typography
   ===================================================== */

.text-xl { font-size: 1.5rem; font-weight: 700; }
.text-lg { font-size: 1.125rem; font-weight: 600; }
.text-md { font-size: 1rem; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-accent { color: var(--accent); }
.text-success { color: var(--success); }
.text-center { text-align: center; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* =====================================================
   Buttons
   ===================================================== */

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    width: 100%;
}

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

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

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

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

.btn-ghost {
    background: transparent;
    color: var(--accent);
    padding: 8px 12px;
}

.btn-sm {
    padding: 10px 16px;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 18px 32px;
    font-size: 1.125rem;
}

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

/* Nav buttons */
.nav-btn {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.15s;
    border-radius: var(--radius);
}

.nav-btn.active {
    color: var(--accent);
}

.nav-btn-icon {
    font-size: 1.5rem;
}

/* =====================================================
   Profile Header (Donor view)
   ===================================================== */

.profile-header {
    display: flex;
    align-items: center;
    gap: 12px;
}

.profile-avatar {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: var(--accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    overflow: hidden;
    flex-shrink: 0;
}

.profile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

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

.profile-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
}

.profile-bio {
    font-size: 0.875rem;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-wishlist {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9375rem;
    background: var(--bg);
    color: var(--text);
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-wishlist .btn-sm {
    flex-shrink: 0;
}

/* =====================================================
   Gift Cards
   ===================================================== */

.gifts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 24px;
}

.gift-card {
    display: flex;
    gap: 12px;
    padding: 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.15s;
}

.gift-card:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.gift-card.gifted {
    opacity: 0.6;
}

.gift-image {
    width: 80px;
    height: 80px;
    border-radius: var(--radius);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    flex-shrink: 0;
    overflow: hidden;
}

.gift-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gift-content {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.gift-name {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2px;
}

.gift-description {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: auto;
}

.gift-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 8px;
}

.gift-price {
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent);
}

.gift-status {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: var(--radius-full);
}

.gift-status.available {
    background: var(--accent-light);
    color: var(--accent);
}

.gift-status.reserved {
    background: var(--warning-light);
    color: var(--warning);
}

.gift-status.gifted {
    background: var(--success-light);
    color: var(--success);
}

.gift-btn {
    padding: 8px 16px;
    font-size: 0.875rem;
    font-weight: 600;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
}

.gift-btn:disabled {
    background: var(--border);
    color: var(--text-tertiary);
    cursor: default;
}

/* =====================================================
   Screens (Full-page states)
   ===================================================== */

.screen {
    display: none;
    flex-direction: column;
    min-height: calc(100vh - 100px);
}

.screen.active {
    display: flex;
}

.screen-center {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
}

.screen-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.screen-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.screen-text {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 280px;
}

/* =====================================================
   Confirmation Screen
   ===================================================== */

.confirm-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 20px;
}

.confirm-item {
    display: flex;
    gap: 12px;
    align-items: center;
}

.confirm-image {
    width: 64px;
    height: 64px;
    border-radius: var(--radius);
    background: var(--bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    overflow: hidden;
}

.confirm-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.confirm-details {
    flex: 1;
}

.confirm-name {
    font-weight: 600;
}

.confirm-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent);
}

.message-input {
    width: 100%;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    margin-top: 16px;
}

.message-input:focus {
    outline: none;
    border-color: var(--accent);
}

/* =====================================================
   Model Cabinet
   ===================================================== */

/* Copy link section */
.link-section {
    background: var(--accent-light);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    margin-bottom: 24px;
}

.link-section .text-lg {
    margin-bottom: 12px;
}

.link-preview {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    word-break: break-all;
    user-select: text;
    -webkit-user-select: text;
    -webkit-touch-callout: default;
}

/* Stats blocks */
.stats-row {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
}

.stat-block {
    flex: 1;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.stat-block.pending { border-left: 3px solid var(--warning); }
.stat-block.available { border-left: 3px solid var(--success); }
.stat-block.withdrawn { border-left: 3px solid var(--text-tertiary); }

/* Event feed */
.feed-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feed-item {
    display: flex;
    gap: 12px;
    padding: 14px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
}

.feed-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--success-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.feed-content {
    flex: 1;
    min-width: 0;
}

.feed-title {
    font-weight: 600;
    font-size: 0.9375rem;
}

.feed-meta {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.feed-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 4px;
}

.feed-amount {
    font-weight: 700;
    color: var(--success);
    white-space: nowrap;
}

/* Filter tabs */
.filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.filter-tab {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
}

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

/* Settings */
.setting-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
}

.setting-label {
    font-weight: 500;
}

.setting-hint {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Toggle switch */
.toggle {
    width: 48px;
    height: 28px;
    background: var(--border);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: background 0.2s;
}

.toggle.active {
    background: var(--accent);
}

.toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 24px;
    height: 24px;
    background: white;
    border-radius: var(--radius-full);
    transition: transform 0.2s;
    box-shadow: var(--shadow);
}

.toggle.active::after {
    transform: translateX(20px);
}

/* Invites list */
.invites-list {
    margin-top: 16px;
}

.invite-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--radius);
    margin-bottom: 8px;
}

.invite-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    word-break: break-all;
}

.invite-revoke {
    color: #ef4444;
    background: none;
    border: none;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
}

/* =====================================================
   Add/Edit Gift Form
   ===================================================== */

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    background: var(--bg);
    color: var(--text);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--accent);
}

.form-textarea {
    resize: vertical;
    min-height: 80px;
}

.form-row {
    display: flex;
    gap: 12px;
}

.form-row .form-group {
    flex: 1;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* Photo upload */
.photo-upload {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s;
}

.photo-upload:hover {
    border-color: var(--accent);
}

.photo-upload input {
    display: none;
}

.photo-preview {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.photo-preview img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius);
}

/* =====================================================
   Empty states
   ===================================================== */

.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
}

.empty-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.empty-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* =====================================================
   Utilities
   ===================================================== */

.hidden { display: none !important; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.gap-2 { gap: 8px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }