/* ========================================
   MOBILE UI/UX - SCAN&COLLECT
   ======================================== */

/* ========================================
   1. CSS VARIABLES & RESET
   ======================================== */
:root {
    /* Colors - Promicy Brand Colors */
    --primary: #03A5F5;
    --primary-dark: #0288d1;
    --primary-light: #4fc3f7;
    --secondary: #059669;
    --secondary-dark: #047857;
    --secondary-light: #10b981;
    --bg: #f8f9fa;
    --card: #ffffff;
    --text: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --success: #059669;
    --error: #ef4444;
    --warning: #f59e0b;
    --border: #e5e7eb;

    /* Spacing */
    --header-height: 60px;
    --header-admin-height: 108px;
    /* Updated from 90px to match actual rendered height */
    --tab-height: 48px;
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
}

/* ========================================
   2. APP CONTAINER
   ======================================== */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--bg);
}

/* ========================================
   3. FIXED HEADER
   ======================================== */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

/* User Header (default) */
.header-user {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    padding: 0 var(--spacing-md);
}

.store-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.store-icon {
    font-size: 24px;
}

.store-name {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.channel-select {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.channel-select:hover {
    background: rgba(255, 255, 255, 0.3);
}

.channel-select option {
    background: var(--primary-dark);
    color: white;
}

.btn-icon-header {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    min-width: 36px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
}

.btn-icon-header:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Admin Header */
.header-admin {
    min-height: var(--header-admin-height);
    padding: var(--spacing-sm) var(--spacing-md);
    /* Reduced vertical padding from md to sm */
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    justify-content: center;
    position: relative;
    box-sizing: border-box;
    /* Ensure padding is included in height */
}

.header-logo-center {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    height: calc(var(--header-admin-height) - 20px);
    width: auto;
    object-fit: contain;
    pointer-events: none;
}

/* Hide logo on small screens to avoid overlap */
@media (max-width: 480px) {
    .header-logo-center {
        display: none;
    }
}

.header-row-1,
.header-row-2 {
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 10;
    width: 100%;
}

.store-select-header {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 10px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    max-width: 110px;
}

.store-select-header option {
    background: var(--primary-dark);
    color: white;
}

.header-row-2 {
    font-size: 13px;
}

.channel-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-weight: 500;
    font-size: 13px;
    flex: 1;
    min-width: 0;
}

.channel-select-admin {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 4px 8px;
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    max-width: 100px;
}

.channel-select-admin option {
    background: var(--primary-dark);
    color: white;
}

.btn-admin-header {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 36px;
    height: 36px;
    min-width: 36px;
    flex-shrink: 0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    text-decoration: none;
}

.btn-admin-header:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* ========================================
   4. TAB NAVIGATION
   ======================================== */
.tab-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    height: var(--tab-height);
    background: white;
    display: flex;
    border-bottom: 1px solid var(--border);
    z-index: 999;
}

/* When admin header is shown - use attribute selector since header-admin is inside app-header */
.app-header:has(.header-admin[style*="display: flex"])~.tab-nav,
.app-header:has(.header-admin:not([style*="display: none"]))~.tab-nav,
body.admin-mode .tab-nav {
    top: var(--header-admin-height);
}

.tab-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 15px;
    font-weight: 500;
    padding: 0 var(--spacing-md);
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.tab-btn svg {
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text);
}

.tab-btn:hover svg {
    opacity: 0.8;
}

.tab-btn.active {
    color: var(--primary);
    font-weight: 600;
}

.tab-btn.active svg {
    opacity: 1;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

/* ========================================
   5. MAIN CONTENT
   ======================================== */
.app-content {
    margin-top: calc(var(--header-height) + var(--tab-height));
    padding: var(--spacing-lg) var(--spacing-md);
    /* Increased top padding from md to lg */
    padding-bottom: var(--spacing-xl);
    flex: 1;
}

/* When admin header */
body.admin-mode .app-content {
    margin-top: calc(var(--header-admin-height) + var(--tab-height));
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

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

/* ========================================
   6. SCAN TAB
   ======================================== */

/* Mode Toggle */
.mode-toggle {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    background: white;
    padding: var(--spacing-sm);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.mode-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px var(--spacing-md);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.mode-btn svg {
    opacity: 0.6;
}

.mode-btn.active {
    background: var(--primary);
    color: white;
    font-weight: 600;
}

.mode-btn.active svg {
    opacity: 1;
}

/* Scanner Container */
.scanner-container {
    position: relative;
    width: 100%;
    height: 250px;
    background: #1a1a1a;
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0;
}

.camera-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.scanner-controls {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
}

.scanner-overlay {
    display: none;
}

.scan-frame {
    display: none;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.8;
        transform: scale(0.98);
    }
}

.btn-capture {
    width: 100%;
    max-width: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--primary);
    color: white;
    border: none;
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.btn-capture:active {
    transform: scale(0.98);
}

.scanner-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
    padding: 0 var(--spacing-md);
}

.scanner-info p {
    margin: var(--spacing-xs) 0;
}

/* Manual Mode */
.mode-content {
    display: none;
}

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

.manual-input-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.manual-textarea {
    width: 100%;
    min-height: 200px;
    padding: var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    resize: vertical;
    transition: border-color var(--transition-fast);
}

.manual-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

/* EAN List */
.ean-list-section {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.section-header h2 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.ean-list {
    max-height: 300px;
    overflow-y: auto;
}

.empty-state {
    text-align: center;
    padding: var(--spacing-xl) var(--spacing-md);
    color: var(--text-light);
}

.empty-state svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.empty-state p {
    margin: var(--spacing-sm) 0;
}

.empty-state .hint {
    font-size: 13px;
}

/* Action Section */
.action-section {
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   7. CATALOGUE TAB
   ======================================== */

/* Meta Stats Banner */
.meta-stats-banner {
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.meta-stats-icon {
    font-size: 40px;
    line-height: 1;
}

.meta-stats-content {
    flex: 1;
}

.meta-stats-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--primary-dark);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-xs);
}

.meta-stats-values {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.meta-stats-values span {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
}

/* Stats Card */
.stats-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

.stats-card h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin: 0 0 var(--spacing-md) 0;
}

.channel-stats-table {
    width: 100%;
    border-collapse: collapse;
}

.channel-stats-table td {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--border);
    font-size: 14px;
}

.channel-stats-table td:first-child {
    color: var(--text);
    font-weight: 500;
}

.channel-stats-table td:last-child {
    text-align: right;
    color: var(--text-secondary);
    font-weight: 600;
}

.channel-stats-table tr:last-child td {
    border-bottom: none;
    padding-top: var(--spacing-md);
    font-weight: 700;
    color: var(--text);
}

.loading-cell {
    text-align: center;
    color: var(--text-light);
    padding: var(--spacing-lg) 0 !important;
}

/* Download Actions */
.download-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.btn-download {
    background: white;
    border: 2px solid var(--primary);
    color: var(--primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.btn-download:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* ========================================
   8. BUTTONS & COMMON ELEMENTS
   ======================================== */
.btn {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-sm);
    width: 100%;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
    background: var(--border);
    color: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-success:hover:not(:disabled) {
    background: #059669;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-success:disabled {
    background: var(--border);
    color: var(--text-light);
    cursor: not-allowed;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--border);
    color: var(--text);
}

/* ========================================
   9. STATUS MESSAGES
   ======================================== */
.status-message {
    position: fixed !important;
    top: calc(var(--header-height) + var(--tab-height) + var(--spacing-md)) !important;
    bottom: auto !important;
    left: 50% !important;
    padding: var(--spacing-sm) var(--spacing-lg) !important;
    border-radius: 9999px !important;
    font-size: 13px !important;
    font-weight: 500;
    text-align: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-lg);
    transform: translateX(-50%) translateY(-20px) !important;
    white-space: nowrap !important;
    display: inline-block !important;
    width: auto !important;
    max-width: none !important;
}

.status-message.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.status-message.success {
    background: var(--success);
    color: white;
}

.status-message.error {
    background: var(--error);
    color: white;
}

/* ========================================
   10. RESPONSIVE
   ======================================== */

/* Tablet */
@media (min-width: 640px) {
    .app-content {
        max-width: 640px;
        margin-left: auto;
        margin-right: auto;
    }

    .download-actions {
        flex-direction: row;
    }

    .btn-download {
        flex: 1;
    }
}

/* Desktop */
@media (min-width: 1024px) {
    .app-content {
        max-width: 800px;
    }
}