/* =====================================================================
   TCG SEALED TRACKER - PREMIUM DESIGN SYSTEM
   ===================================================================== */

:root {
    /* Color Palette (HSL) */
    --bg-main: hsl(225, 25%, 8%);
    --bg-card: hsla(224, 28%, 14%, 0.55);
    --bg-card-hover: hsla(224, 28%, 18%, 0.75);
    --bg-modal: hsla(225, 25%, 10%, 0.85);
    
    --color-primary: hsl(260, 85%, 62%);
    --color-primary-glow: hsla(260, 85%, 62%, 0.35);
    --color-primary-hover: hsl(260, 95%, 70%);
    
    --color-secondary: hsl(190, 90%, 50%);
    --color-secondary-glow: hsla(190, 90%, 50%, 0.25);
    
    --color-success: hsl(145, 70%, 45%);
    --color-success-bg: hsla(145, 70%, 45%, 0.12);
    --color-danger: hsl(350, 75%, 55%);
    --color-danger-bg: hsla(350, 75%, 55%, 0.12);
    
    --text-main: hsl(210, 20%, 90%);
    --text-muted: hsl(210, 15%, 65%);
    --text-dark: hsl(210, 20%, 15%);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --border-glow: hsla(260, 85%, 62%, 0.4);
    
    --border-radius-lg: 16px;
    --border-radius-md: 10px;
    --border-radius-sm: 6px;
    
    --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease;
}

/* Base Reset & Styling */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.5;
    background-image: 
        radial-gradient(at 10% 10%, hsla(260, 70%, 30%, 0.15) 0px, transparent 50%),
        radial-gradient(at 90% 90%, hsla(190, 70%, 30%, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
    overflow-x: hidden;
}

/* Layout Container */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 30px 20px;
    display: flex;
    flex-direction: column;
    gap: 25px;
    min-height: 100vh;
}

/* Glassmorphism utility */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    transition: var(--transition-smooth);
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border-color);
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-icon {
    font-size: 28px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 8px var(--color-primary-glow));
}

.logo-text h1 {
    font-size: 26px;
    font-weight: 800;
    letter-spacing: 1px;
    line-height: 1;
}

.logo-text h1 span {
    color: var(--color-primary);
    text-shadow: 0 0 15px var(--color-primary-glow);
}

.logo-text p {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 300;
    margin-top: 2px;
}

.action-area {
    display: flex;
    gap: 12px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), hsl(260, 75%, 55%));
    color: #fff;
    box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px hsla(260, 85%, 62%, 0.5);
    background: linear-gradient(135deg, var(--color-primary-hover), var(--color-primary));
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.btn-danger {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: var(--color-danger);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
    border-radius: var(--border-radius-sm);
}

/* Global Loading Bar */
.global-loading-bar {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    gap: 15px;
    position: relative;
    overflow: hidden;
    animation: pulse 2s infinite ease-in-out;
}

.global-loading-bar.hidden {
    display: none;
}

.loading-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    width: 0%;
    transition: width 0.4s ease;
    animation: loading-shimmer 2s infinite linear;
}

.loading-text {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-secondary);
}

/* KPI Dashboard Cards */
.kpi-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
}

.kpi-card {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.kpi-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--color-primary);
}

.kpi-card:hover {
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.15);
}

.kpi-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.icon-investment {
    background: rgba(147, 51, 234, 0.15);
    color: hsl(270, 85%, 65%);
}

.icon-value {
    background: rgba(6, 182, 212, 0.15);
    color: var(--color-secondary);
}

.icon-profit {
    background: var(--color-success-bg);
    color: var(--color-success);
}

.icon-return {
    background: hsla(45, 90%, 50%, 0.15);
    color: hsl(45, 90%, 55%);
}

.kpi-info h3 {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-top: 4px;
    display: block;
}

/* Positives / Negatives Styling */
.kpi-card.positive::before {
    background: var(--color-success);
}
.kpi-card.negative::before {
    background: var(--color-danger);
}

.text-success {
    color: var(--color-success) !important;
}
.text-danger {
    color: var(--color-danger) !important;
}

/* Chart Sektion */
.chart-section {
    padding: 20px;
}

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

.section-header h2 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-header h2 i {
    color: var(--color-primary);
}

.chart-time-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    font-family: inherit;
    font-size: 12px;
    color: var(--text-muted);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.chart-time-btn.active, .chart-time-btn:hover {
    background: var(--color-primary-glow);
    color: #fff;
    border-color: var(--color-primary);
}

.chart-wrapper {
    height: 320px;
    position: relative;
}

/* Table Section */
.table-section {
    padding: 20px;
}

.search-box {
    position: relative;
    width: 250px;
}

.search-box i {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

.search-box input {
    width: 100%;
    padding: 8px 12px 8px 36px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-main);
    font-family: inherit;
    font-size: 13px;
    outline: none;
    transition: var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 10px var(--color-primary-glow);
}

.table-container {
    overflow-x: auto;
    margin-top: 10px;
}

.product-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.product-table th {
    padding: 12px 16px;
    font-size: 12px;
    text-transform: uppercase;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
}

.product-table td {
    padding: 16px;
    font-size: 14px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.product-table tbody tr {
    transition: var(--transition-fast);
}

.product-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.product-cell {
    display: flex;
    align-items: center;
    gap: 15px;
}

.product-img-wrapper {
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-img-placeholder {
    font-size: 20px;
    color: var(--text-muted);
}

.product-meta h4 {
    font-size: 15px;
    font-weight: 600;
    color: #fff;
}

.product-meta a {
    font-size: 12px;
    color: var(--color-secondary);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-top: 2px;
}

.product-meta a:hover {
    text-decoration: underline;
}

.text-right {
    text-align: right;
}

.actions-cell {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.empty-state {
    padding: 40px 0;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 15px;
    background: linear-gradient(135deg, var(--text-muted), var(--border-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.empty-state p {
    font-size: 15px;
    margin-bottom: 15px;
}

/* Modals Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-box {
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    border-radius: var(--border-radius-lg);
    background: var(--bg-modal);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: scale(1);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.hidden .modal-box {
    transform: scale(0.9);
}

.modal-header {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 700;
}

.btn-close-modal {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 20px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-close-modal:hover {
    color: #fff;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

/* Modal Tabs */
.modal-tabs {
    display: flex;
    gap: 5px;
    background: rgba(0, 0, 0, 0.2);
    padding: 4px;
    border-radius: var(--border-radius-md);
    margin-bottom: 20px;
}

.modal-tab {
    flex: 1;
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.modal-tab.active {
    background: var(--bg-card);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Form Styles */
.form-group {
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.col-6 {
    width: calc(50% - 7.5px);
}

label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
}

input[type="text"],
input[type="number"],
input[type="url"],
input[type="date"],
select {
    width: 100%;
    padding: 10px 14px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-main);
    font-family: inherit;
    font-size: 14px;
    outline: none;
    transition: var(--transition-fast);
}

select option {
    background-color: var(--bg-modal);
    color: var(--text-main);
}

input:focus,
select:focus {
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}

/* Language Badges */
.lang-badge {
    display: inline-block;
    padding: 2px 6px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 4px;
    margin-left: 8px;
    text-transform: uppercase;
    vertical-align: middle;
}

.lang-de {
    background-color: rgba(239, 68, 68, 0.12);
    color: hsl(0, 85%, 65%);
    border: 1px solid rgba(239, 68, 68, 0.25);
}

.lang-en {
    background-color: rgba(59, 130, 246, 0.12);
    color: hsl(217, 90%, 65%);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.lang-jp {
    background-color: rgba(245, 158, 11, 0.12);
    color: hsl(38, 95%, 60%);
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.lang-other {
    background-color: rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    border: 1px solid var(--border-color);
}

.search-input-group {
    display: flex;
    gap: 10px;
}

.search-input-group input {
    flex-grow: 1;
}

.form-help {
    font-size: 11px;
    color: var(--text-muted);
}

.form-separator {
    height: 1px;
    background: var(--border-color);
    margin: 20px 0;
}

/* Cardmarket Search Results Grid */
.search-results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    max-height: 220px;
    overflow-y: auto;
    margin-top: 15px;
    padding: 10px;
    background: rgba(0, 0, 0, 0.15);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.search-results-grid.hidden {
    display: none;
}

.search-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 10px;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    text-align: center;
    position: relative;
}

.search-item:hover {
    border-color: var(--color-primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.search-item.selected {
    border-color: var(--color-secondary);
    box-shadow: 0 0 10px var(--color-secondary-glow);
    background: rgba(6, 182, 212, 0.08);
}

.search-item-img {
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.search-item-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.search-item-info h5 {
    font-size: 11px;
    font-weight: 600;
    color: #fff;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.3;
}

.search-item-info span {
    font-size: 9px;
    color: var(--text-muted);
    text-transform: uppercase;
}

.modal-footer {
    padding-top: 15px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* App Footer */
.app-footer {
    text-align: center;
    padding: 20px 0;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid var(--border-color);
    margin-top: auto;
}

/* Utility Animations */
@keyframes pulse {
    0% { opacity: 0.95; }
    50% { opacity: 1; border-color: rgba(255, 255, 255, 0.12); }
    100% { opacity: 0.95; }
}

@keyframes loading-shimmer {
    0% { background-position: -200px 0; }
    100% { background-position: calc(200px + 100%) 0; }
}

.tab-content.hidden {
    display: none;
}

/* Custom Scrollbar for premium look */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Responsiveness */
@media (max-width: 768px) {
    .app-header {
        flex-direction: column;
        gap: 15px;
        align-items: flex-start;
    }
    
    .action-area {
        width: 100%;
        justify-content: space-between;
    }
    
    .search-box {
        width: 180px;
    }
    
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .col-6 {
        width: 100%;
    }
}