/* bdsell.online Modern Apple & Instagram Design System (PC & Mobile) */
:root {
    --bg: #F2F2F7;
    --surface: #FFFFFF;
    --surface-variant: #E5E5EA;
    --surface-hover: #D1D1D6;
    --outline: #E5E5EA;
    --outline-subtle: #EBEBF0;
    --text-primary: #1C1C1E;
    --text-secondary: #6C6C70;
    --text-tertiary: #8E8E93;
    --text-inverse: #FFFFFF;
    --primary: #0071E3;
    --primary-dark: #0058B0;
    --primary-light: #EBF5FF;
    --secondary: #FF9500;
    --price: #0071E3;
    --badge-sold: #FF3B30;
    --badge-sold-bg: #FFEBEA;
    --whatsapp: #34C759;
    --whatsapp-dark: #2BB14C;
    --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Inter", "Segoe UI", Roboto, "Hind Siliguri", sans-serif;
    --glass-bg: rgba(255, 255, 255, 0.88);
    --glass-border: rgba(255, 255, 255, 0.4);
    --card-radius: 20px;
    --pill-radius: 100px;
    --story-gradient: linear-gradient(45deg, #FEDA77, #F58529, #DD2A7B, #8134AF, #515BD4);
}

[data-theme="dark"] {
    --bg: #000000;
    --surface: #1C1C1E;
    --surface-variant: #2C2C2E;
    --surface-hover: #3A3A3C;
    --outline: #38383A;
    --outline-subtle: #2C2C2E;
    --text-primary: #FFFFFF;
    --text-secondary: #A1A1A6;
    --text-tertiary: #6E6E73;
    --text-inverse: #000000;
    --primary: #0A84FF;
    --primary-dark: #0071E3;
    --primary-light: #1C2A3A;
    --secondary: #FF9F0A;
    --price: #0A84FF;
    --badge-sold: #FF453A;
    --badge-sold-bg: #3D1414;
    --whatsapp: #30D158;
    --whatsapp-dark: #28B94E;
    --glass-bg: rgba(28, 28, 30, 0.88);
    --glass-border: rgba(255, 255, 255, 0.12);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg);
    color: var(--text-primary);
    font-family: var(--font-family);
    transition: background-color 0.2s ease, color 0.2s ease;
    overflow-x: hidden;
}

.app-shell {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ==================== NAVBAR ==================== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--surface);
    border-bottom: 1px solid var(--outline);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-container {
    max-width: 1380px;
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.brand-title {
    display: flex;
    align-items: center;
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
    user-select: none;
    cursor: pointer;
    text-decoration: none;
}

.brand-bd {
    color: var(--text-primary);
}

.brand-sell {
    color: var(--primary);
}

.brand-dot {
    color: #FF9500;
    margin: 0 4px;
}

.brand-badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    padding: 3px 7px;
    border-radius: 6px;
    letter-spacing: 0.5px;
}

.header-center {
    flex: 1;
    max-width: 520px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface-variant);
    border: 1px solid var(--outline);
    padding: 7px 12px;
    border-radius: var(--pill-radius);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
}

.header-pill:hover {
    background: var(--surface-hover);
}

.header-pill:active {
    transform: scale(0.97);
}

.icon-pill {
    padding: 7px;
    width: 36px;
    height: 36px;
    justify-content: center;
}

.location-pill {
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--primary);
}

.desktop-badge {
    background: #FF3B30;
    color: #FFFFFF;
    font-size: 10px;
    font-weight: 800;
    padding: 1px 6px;
    border-radius: 10px;
    margin-left: 2px;
}

.desktop-post-btn {
    background: var(--primary);
    color: #FFFFFF;
    border: none;
    padding: 9px 18px;
    border-radius: var(--pill-radius);
    font-size: 13.5px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: 0 4px 12px rgba(0, 113, 227, 0.28);
}

.desktop-post-btn:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

.desktop-post-btn:active {
    transform: scale(0.97);
}

/* Search Bar */
.search-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--surface-variant);
    border: 1px solid var(--outline);
    border-radius: 14px;
    padding: 0 12px;
    height: 42px;
    transition: border-color 0.2s, background-color 0.2s;
}

.search-wrapper:focus-within {
    border-color: var(--primary);
    background: var(--surface);
}

.search-icon {
    color: var(--text-tertiary);
    display: flex;
}

.search-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13.5px;
    outline: none;
}

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

.search-clear-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
}

.search-clear-btn:hover {
    color: var(--text-primary);
}

.search-filter-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    display: flex;
}

.mobile-search-row {
    display: none;
    padding: 0 16px 12px 16px;
}

/* ==================== MAIN 2-COLUMN LAYOUT ==================== */
.main-layout-container {
    max-width: 1380px;
    width: 100%;
    margin: 0 auto;
    padding: 24px;
    display: flex;
    gap: 28px;
    align-items: flex-start;
    flex: 1;
}

/* ==================== DESKTOP SIDEBAR ==================== */
.desktop-sidebar {
    width: 280px;
    flex-shrink: 0;
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sidebar-widget {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 18px;
    padding: 16px;
}

.sidebar-widget-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sidebar-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.sidebar-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
    transition: all 0.15s ease;
}

.sidebar-item:hover {
    background: var(--surface-variant);
    color: var(--text-primary);
}

.sidebar-item.active {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
}

.sidebar-item-icon {
    font-size: 16px;
}

.sidebar-item-text {
    flex: 1;
}

.price-inputs-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.sidebar-input {
    flex: 1;
    background: var(--surface-variant);
    border: 1px solid var(--outline);
    border-radius: 10px;
    padding: 8px 10px;
    font-size: 13px;
    color: var(--text-primary);
    outline: none;
    font-family: inherit;
    width: 100%;
}

.sidebar-input:focus {
    border-color: var(--primary);
}

.price-separator {
    color: var(--text-tertiary);
    font-weight: 700;
}

.sidebar-apply-btn {
    width: 100%;
    background: var(--surface-variant);
    color: var(--primary);
    border: 1px solid var(--outline);
    padding: 8px;
    border-radius: 10px;
    font-size: 12.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s;
}

.sidebar-apply-btn:hover {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

.sidebar-trust-box {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 18px;
    padding: 14px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.trust-icon-wrap {
    background: rgba(52, 199, 89, 0.12);
    border-radius: 12px;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.trust-title {
    font-weight: 700;
    font-size: 13px;
    color: var(--text-primary);
}

.trust-desc {
    font-size: 11.5px;
    color: var(--text-tertiary);
    line-height: 1.4;
    margin-top: 2px;
}

/* ==================== DESKTOP MAIN CONTENT ==================== */
.desktop-main-content {
    flex: 1;
    min-width: 0;
}

/* Modern Promo Banner */
.promo-banner {
    background: linear-gradient(135deg, #1C1C1E 0%, #003B73 50%, #0071E3 100%);
    border-radius: 20px;
    padding: 22px 28px;
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 59, 115, 0.2);
}

.promo-title {
    font-size: 19px;
    font-weight: 800;
    letter-spacing: -0.3px;
}

.promo-sub {
    font-size: 13px;
    opacity: 0.88;
    margin-top: 4px;
}

.promo-btn {
    background: #FFFFFF;
    color: #000000;
    border: none;
    border-radius: var(--pill-radius);
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 700;
    cursor: pointer;
    white-space: nowrap;
    transition: transform 0.15s ease, background 0.15s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.promo-btn:hover {
    background: #F2F2F7;
    transform: scale(1.03);
}

.promo-btn:active {
    transform: scale(0.97);
}

/* ==================== INSTAGRAM STORIES CATEGORIES ==================== */
.stories-container {
    display: flex;
    gap: 16px;
    overflow-x: auto;
    padding: 4px 2px 18px 2px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 12px;
}

.stories-container::-webkit-scrollbar {
    display: none;
}

.story-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    flex-shrink: 0;
    user-select: none;
    transition: transform 0.15s ease;
}

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

.story-ring {
    padding: 2.5px;
    border-radius: 50%;
    background: var(--outline);
    transition: background 0.2s;
}

.story-item.active .story-ring {
    background: var(--story-gradient);
}

.story-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--surface);
    padding: 2.5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.story-icon-wrap {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.story-label {
    font-size: 11.5px;
    font-weight: 600;
    color: var(--text-secondary);
    max-width: 68px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.story-item.active .story-label {
    color: var(--text-primary);
    font-weight: 700;
}

/* ==================== SECTION CONTROLS BAR ==================== */
.section-controls-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    gap: 12px;
}

.section-title-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-title {
    font-size: 18px;
    font-weight: 800;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.section-badge {
    background: var(--surface-variant);
    color: var(--text-secondary);
    font-size: 11.5px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: var(--pill-radius);
}

.controls-right-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
}

.sort-select {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 12px;
    padding: 7px 12px;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    outline: none;
    font-family: inherit;
    cursor: pointer;
}

.view-mode-toggle {
    display: flex;
    background: var(--surface-variant);
    border-radius: 10px;
    padding: 2px;
}

.view-btn {
    background: none;
    border: none;
    padding: 6px 10px;
    border-radius: 8px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.view-btn.active {
    background: var(--surface);
    color: var(--primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

/* ==================== AD FEED & GRID (PHONE-LIKE AD CARDS) ==================== */
.ad-feed {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ad-feed.grid-view {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 22px;
}

/* Single Ad Card (Zero-Shadow, Apple & Instagram Visual Card) */
.ad-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: transform 0.18s ease, border-color 0.18s ease;
}

.ad-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* 1. Header */
.ad-header {
    display: flex;
    align-items: center;
    padding: 12px 14px;
    gap: 10px;
}

.seller-avatar-ring {
    padding: 2px;
    border-radius: 50%;
    background: var(--story-gradient);
    flex-shrink: 0;
}

.seller-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--surface);
    padding: 1.5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.seller-avatar-inner {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: var(--surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
}

.seller-meta {
    flex: 1;
    min-width: 0;
}

.seller-name-row {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.seller-name-row span:first-child {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.verified-badge {
    display: inline-flex;
    flex-shrink: 0;
}

.seller-sub-row {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 11.5px;
    color: var(--text-tertiary);
    margin-top: 1px;
}

.seller-sub-row span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ad-options-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* 2. 1:1 Dominant Image Showcase */
.ad-image-container {
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--surface-variant);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top-left-radius: 17px;
    border-top-right-radius: 17px;
}

.ad-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.ad-card:hover .ad-image {
    transform: scale(1.02);
}

.heart-burst {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    pointer-events: none;
    opacity: 0;
    z-index: 10;
    transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), opacity 0.35s ease;
}

.heart-burst.animate {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 1;
}

.condition-pill {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--pill-radius);
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    z-index: 2;
}

.condition-pill.static-pill {
    position: static;
    display: inline-block;
}

/* Floating Glass Price Tag Pill */
.floating-price-pill {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--pill-radius);
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.price-text {
    font-size: 15px;
    font-weight: 800;
    color: var(--text-primary);
}

.price-negotiable-badge {
    background: var(--primary-light);
    color: var(--primary);
    font-size: 9.5px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
}

/* 3. Action Bar */
.ad-actions {
    display: flex;
    align-items: center;
    padding: 8px 12px 4px 12px;
    gap: 4px;
}

.action-btn {
    background: none;
    border: none;
    padding: 7px;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s, color 0.15s;
    text-decoration: none;
}

.action-btn:hover {
    background: var(--surface-variant);
}

.action-btn:active {
    transform: scale(0.85);
}

.action-btn.liked {
    color: #FF3B30;
}

.action-btn.whatsapp-action {
    color: var(--whatsapp);
}

.spacer {
    flex: 1;
}

/* 4. Caption & Details */
.ad-details-body {
    padding: 2px 14px 14px 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ad-likes-info {
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.ad-title-caption {
    font-size: 13.5px;
    color: var(--text-primary);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.ad-meta-tags {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}

.ad-cat-tag {
    background: var(--surface-variant);
    color: var(--primary);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--pill-radius);
    cursor: pointer;
}

.ad-view-link {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
}

/* ==================== PROFILE VIEW ==================== */
.profile-view {
    padding: 8px 0;
}

.profile-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 20px;
    padding: 20px;
    margin-bottom: 18px;
}

.profile-top-row {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.profile-name {
    font-size: 18px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.profile-phone {
    font-size: 12.5px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.profile-stats-row {
    display: flex;
    align-items: center;
    justify-content: space-around;
    text-align: center;
    margin-bottom: 16px;
    border-top: 1px solid var(--outline);
    border-bottom: 1px solid var(--outline);
    padding: 12px 0;
}

.stat-num {
    font-size: 19px;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 11.5px;
    color: var(--text-secondary);
}

.profile-btn-row {
    display: flex;
    gap: 10px;
}

.secondary-btn {
    flex: 1;
    background: var(--surface-variant) !important;
    color: var(--text-primary) !important;
}

.profile-grid-title {
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.profile-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}

.grid-photo-item {
    aspect-ratio: 1/1;
    background: var(--surface-variant);
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    position: relative;
}

.grid-photo-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.grid-photo-price {
    position: absolute;
    bottom: 6px;
    left: 6px;
    background: var(--glass-bg);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--text-primary);
}

/* ==================== MODALS (RESPONSIVE 2-COLUMN DESKTOP) ==================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

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

.modal-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 24px;
    width: 100%;
    max-width: 520px;
    max-height: 92vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    animation: modalSlideUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card.modal-card-wide {
    max-width: 900px;
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(24px) scale(0.98);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--outline);
}

.modal-header-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-title {
    font-size: 17.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    display: flex;
}

.modal-close:hover {
    background: var(--surface-variant);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
}

/* Post Ad 2-Column Desktop Grid */
.desktop-form-grid {
    display: grid;
    grid-template-columns: 1fr 1.35fr;
    gap: 24px;
}

.form-photo-column {
    display: flex;
    flex-direction: column;
}

.photo-drop-zone {
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--surface-variant);
    border: 2px dashed var(--outline);
    border-radius: 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: border-color 0.2s;
    margin-bottom: 14px;
}

.photo-drop-zone:hover {
    border-color: var(--primary);
}

.photo-preview-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 16px;
    color: var(--text-secondary);
}

.photo-placeholder-icon {
    color: var(--primary);
    margin-bottom: 8px;
}

.photo-upload-text {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.photo-upload-subtext {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.photo-file-hidden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.preset-pickers-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.preset-pills-wrap {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.preset-pill {
    background: var(--surface-variant);
    border: 1px solid var(--outline);
    color: var(--text-secondary);
    padding: 5px 10px;
    border-radius: var(--pill-radius);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
}

.preset-pill:hover {
    color: var(--text-primary);
}

.preset-pill.active {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

.form-inputs-column {
    display: flex;
    flex-direction: column;
}

.form-group {
    margin-bottom: 14px;
}

.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.form-control {
    width: 100%;
    padding: 10px 14px;
    border-radius: 12px;
    border: 1px solid var(--outline);
    background: var(--surface-variant);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13.5px;
    outline: none;
    transition: border-color 0.15s;
}

.form-control:focus {
    border-color: var(--primary);
}

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

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

.checkbox-align {
    display: flex;
    align-items: flex-end;
    padding-bottom: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    user-select: none;
}

.submit-btn {
    width: 100%;
    padding: 13px;
    border-radius: 14px;
    background: var(--primary);
    color: #FFFFFF;
    border: none;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    margin-top: 6px;
    transition: all 0.15s;
}

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

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

/* Ad Details 2-Column Desktop Grid */
.desktop-details-grid {
    display: grid;
    grid-template-columns: 1.15fr 1fr;
    gap: 24px;
}

.detail-hero-wrap {
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--surface-variant);
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-hero-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.detail-info-column {
    display: flex;
    flex-direction: column;
}

.detail-price-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.detail-price {
    font-size: 26px;
    font-weight: 800;
    color: var(--price);
}

.detail-title {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 6px;
}

.detail-meta-row {
    font-size: 12.5px;
    color: var(--text-tertiary);
    margin-bottom: 12px;
}

.detail-tags-row {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
}

.detail-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.detail-desc {
    font-size: 13.5px;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--surface-variant);
    padding: 12px 14px;
    border-radius: 12px;
    margin-bottom: 16px;
}

.seller-card-box {
    background: var(--surface-variant);
    border: 1px solid var(--outline);
    border-radius: 16px;
    padding: 12px 14px;
    margin-bottom: 18px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.seller-phone-text {
    font-size: 12.5px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.detail-action-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.call-btn {
    background: #0071E3;
    color: #FFFFFF;
    text-decoration: none;
    padding: 12px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 13.5px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: opacity 0.15s;
}

.call-btn:hover {
    opacity: 0.9;
}

.whatsapp-btn {
    background: #34C759;
    color: #FFFFFF;
    text-decoration: none;
    padding: 12px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 13.5px;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: opacity 0.15s;
}

.whatsapp-btn:hover {
    opacity: 0.9;
}

/* City Modal */
.city-modal-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.city-modal-btn {
    display: flex;
    align-items: center;
    background: var(--surface-variant);
    border: 1px solid var(--outline);
    color: var(--text-primary);
    padding: 11px 14px;
    border-radius: 12px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s;
}

.city-modal-btn:hover {
    background: var(--surface-hover);
}

/* ==================== MOBILE NAVIGATION & FAB ==================== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--surface);
    border-top: 1px solid var(--outline);
    display: none;
    justify-content: space-around;
    padding: 8px 0 6px 0;
    z-index: 1000;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 10px;
    font-weight: 600;
    cursor: pointer;
    width: 60px;
    transition: color 0.15s;
}

.nav-item.active {
    color: var(--primary);
}

.nav-item.post-ad-nav {
    color: var(--primary);
}

.nav-icon {
    display: flex;
}

.fab-post {
    position: fixed;
    bottom: 76px;
    right: 18px;
    background: var(--primary);
    color: #FFFFFF;
    border: none;
    padding: 12px 20px;
    border-radius: var(--pill-radius);
    font-size: 13.5px;
    font-weight: 700;
    display: none;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(0, 113, 227, 0.4);
    cursor: pointer;
    z-index: 90;
    transition: transform 0.15s;
}

.fab-post:active {
    transform: scale(0.95);
}

/* Toast */
.toast-msg {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: rgba(28, 28, 30, 0.95);
    color: #FFFFFF;
    padding: 10px 22px;
    border-radius: var(--pill-radius);
    font-size: 13.5px;
    font-weight: 600;
    opacity: 0;
    pointer-events: none;
    z-index: 3000;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s ease;
}

.toast-msg.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ==================== RESPONSIVE BREAKPOINTS ==================== */
@media (max-width: 991px) {
    body {
        padding-bottom: 75px;
    }

    .header-container {
        padding: 10px 16px;
    }

    .header-center {
        display: none;
    }

    .desktop-nav-item,
    .desktop-post-btn {
        display: none;
    }

    .mobile-search-row {
        display: block;
    }

    .main-layout-container {
        padding: 14px 16px;
        gap: 0;
    }

    .desktop-sidebar {
        display: none;
    }

    .desktop-main-content {
        max-width: 580px;
        margin: 0 auto;
        width: 100%;
    }

    .ad-feed.grid-view {
        grid-template-columns: 1fr;
    }

    .bottom-nav {
        display: flex;
    }

    .fab-post {
        display: flex;
    }

    .desktop-form-grid {
        grid-template-columns: 1fr;
    }

    .desktop-details-grid {
        grid-template-columns: 1fr;
    }

    .promo-banner {
        padding: 16px 20px;
    }

    .promo-title {
        font-size: 16px;
    }

    .promo-sub {
        font-size: 12px;
    }
}

/* Guest Auth Card & Modal Styles */
.guest-auth-card {
    background: var(--surface);
    border: 1px solid var(--outline);
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    max-width: 520px;
    margin: 0 auto 24px auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.guest-auth-badge {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(0, 113, 227, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
}

.guest-auth-title {
    font-size: 20px;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.guest-auth-desc {
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 24px;
    padding: 0 10px;
}

.guest-action-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
}

.auth-primary-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 18px;
    background: var(--primary);
    color: #FFFFFF;
    border: none;
    border-radius: 14px;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

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

.auth-secondary-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 18px;
    background: var(--surface-variant);
    color: var(--text-primary);
    border: 1px solid var(--outline);
    border-radius: 14px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
}

.auth-secondary-btn:hover {
    background: var(--surface-hover);
    border-color: var(--primary);
}

.auth-sell-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 13px 18px;
    background: #34C759;
    color: #FFFFFF;
    border: none;
    border-radius: 14px;
    font-size: 14.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.15s ease;
}

.auth-sell-btn:hover {
    background: #28a745;
}

.guest-benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    padding-top: 18px;
    border-top: 1px solid var(--outline);
}

.benefit-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
}

.benefit-icon {
    font-size: 22px;
}

.benefit-text strong {
    display: block;
    font-size: 12.5px;
    font-weight: 700;
    color: var(--text-primary);
}

.benefit-text span {
    font-size: 10.5px;
    color: var(--text-tertiary);
}

/* Auth Modal Tabs */
.auth-tabs {
    display: flex;
    background: var(--surface-variant);
    padding: 4px;
    border-radius: 12px;
    margin-bottom: 20px;
}

.auth-tab-btn {
    flex: 1;
    padding: 9px 0;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13.5px;
    font-weight: 600;
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.auth-tab-btn.active {
    background: var(--surface);
    color: var(--text-primary);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}