/* ==========================================================================
   PharmaEstabilidade ANVISA - Main Stylesheet
   Design Tokens & Glassmorphism Aesthetics
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-main: #0f172a;
    --bg-card: rgba(30, 41, 59, 0.7);
    --bg-card-hover: rgba(51, 65, 85, 0.8);
    --bg-header: rgba(15, 23, 42, 0.85);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(255, 255, 255, 0.1);
    --border-focus: #38bdf8;
    
    /* Brand Accents */
    --accent-blue: #0284c7;
    --accent-cyan: #06b6d4;
    --gradient-brand: linear-gradient(135deg, #38bdf8 0%, #818cf8 100%);
    
    /* Category Badges */
    --badge-gt24-bg: rgba(16, 185, 129, 0.15);
    --badge-gt24-color: #34d399;
    --badge-gt24-border: rgba(52, 211, 153, 0.3);
    
    --badge-eq24-bg: rgba(56, 189, 248, 0.15);
    --badge-eq24-color: #38bdf8;
    --badge-eq24-border: rgba(56, 189, 248, 0.3);
    
    --badge-lt24-bg: rgba(245, 158, 11, 0.15);
    --badge-lt24-color: #fbbf24;
    --badge-lt24-border: rgba(251, 191, 36, 0.3);
    
    --badge-na-bg: rgba(148, 163, 184, 0.15);
    --badge-na-color: #cbd5e1;
    --badge-na-border: rgba(203, 213, 225, 0.3);
    
    /* Layout & Shadows */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --shadow-soft: 0 10px 25px -5px rgba(0, 0, 0, 0.3), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(56, 189, 248, 0.25);
    --backdrop-blur: blur(12px);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
    --bg-main: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-card-hover: rgba(241, 245, 249, 0.95);
    --bg-header: rgba(255, 255, 255, 0.9);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: rgba(0, 0, 0, 0.08);
    --border-focus: #0284c7;
    
    --badge-gt24-bg: rgba(16, 185, 129, 0.12);
    --badge-gt24-color: #059669;
    
    --badge-eq24-bg: rgba(2, 132, 199, 0.12);
    --badge-eq24-color: #0284c7;
    
    --badge-lt24-bg: rgba(217, 119, 6, 0.12);
    --badge-lt24-color: #d97706;
    
    --badge-na-bg: rgba(100, 116, 139, 0.12);
    --badge-na-color: #475569;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Header */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--bg-header);
    backdrop-filter: var(--backdrop-blur);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 2rem;
}

.header-container {
    max-width: 1440px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-brand);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.4rem;
    box-shadow: var(--shadow-glow);
}

.brand-text h1 {
    font-size: 1.35rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    background: var(--gradient-brand);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text h1 span {
    font-weight: 400;
    font-size: 0.85rem;
    padding: 2px 6px;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    -webkit-text-fill-color: var(--text-secondary);
    vertical-align: middle;
}

.brand-text p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.1rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(56, 189, 248, 0.4);
}

.btn-secondary {
    background: rgba(56, 189, 248, 0.1);
    color: #38bdf8;
    border-color: rgba(56, 189, 248, 0.25);
}

.btn-secondary:hover {
    background: rgba(56, 189, 248, 0.2);
    border-color: #38bdf8;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border-color: var(--border-color);
}

.btn-outline:hover {
    background: var(--bg-card-hover);
    border-color: var(--text-secondary);
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
    justify-content: center;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Main Layout */
.main-content {
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 1.5rem 2rem 3rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Stats Section */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.2rem 1.4rem;
    display: flex;
    align-items: center;
    gap: 1.1rem;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--border-focus);
    box-shadow: var(--shadow-soft);
}

.stat-card.active {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-glow);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.stat-card.total .stat-icon { background: rgba(147, 51, 234, 0.15); color: #c084fc; }
.stat-card.gt24 .stat-icon { background: var(--badge-gt24-bg); color: var(--badge-gt24-color); }
.stat-card.eq24 .stat-icon { background: var(--badge-eq24-bg); color: var(--badge-eq24-color); }
.stat-card.lt24 .stat-icon { background: var(--badge-lt24-bg); color: var(--badge-lt24-color); }
.stat-card.na .stat-icon { background: var(--badge-na-bg); color: var(--badge-na-color); }

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

.stat-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-value {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text-primary);
}

.stat-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.stat-card.gt24 .stat-badge { background: var(--badge-gt24-bg); color: var(--badge-gt24-color); border-color: var(--badge-gt24-border); }
.stat-card.eq24 .stat-badge { background: var(--badge-eq24-bg); color: var(--badge-eq24-color); border-color: var(--badge-eq24-border); }
.stat-card.lt24 .stat-badge { background: var(--badge-lt24-bg); color: var(--badge-lt24-color); border-color: var(--badge-lt24-border); }
.stat-card.na .stat-badge { background: var(--badge-na-bg); color: var(--badge-na-color); border-color: var(--badge-na-border); }

/* Filters Section */
.filters-section {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    box-shadow: var(--shadow-soft);
}

.search-box {
    position: relative;
    width: 100%;
}

.search-icon {
    position: absolute;
    left: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1rem;
}

.search-box input {
    width: 100%;
    padding: 0.85rem 2.8rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
}

body.light-theme .search-box input {
    background: #ffffff;
}

.search-box input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.15);
}

.btn-clear {
    position: absolute;
    right: 1.1rem;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
}

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

.filter-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    min-width: 0;
}

.filter-group label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.filter-group select {
    width: 100%;
    min-width: 0;
    padding: 0.6rem 0.8rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    transition: var(--transition);
    cursor: pointer;
    box-sizing: border-box;
}

body.light-theme .filter-group select {
    background: #ffffff;
}

.filter-group select:focus {
    border-color: var(--border-focus);
}

#btn-reset-filters {
    height: 38px;
    white-space: nowrap;
    justify-content: center;
}

/* Data Table */
.table-section {
    background: var(--bg-card);
    backdrop-filter: var(--backdrop-blur);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.25rem;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.table-header-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0 0.5rem;
}

.table-rows-per-page {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.table-rows-per-page select {
    padding: 0.3rem 0.6rem;
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
    text-align: left;
}

.data-table th {
    background: rgba(15, 23, 42, 0.7);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
    user-select: none;
    cursor: pointer;
    transition: var(--transition);
}

body.light-theme .data-table th {
    background: rgba(241, 245, 249, 0.9);
}

.data-table th:hover {
    color: var(--text-primary);
    background: rgba(56, 189, 248, 0.1);
}

.data-table td {
    padding: 0.85rem 1rem;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

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

.data-table tbody tr:hover {
    background: var(--bg-card-hover);
}

/* Table Cell Styling */
.anvisa-code {
    font-family: monospace;
    font-size: 0.85rem;
    font-weight: 700;
    color: #38bdf8;
}

.drug-name {
    font-weight: 700;
    color: var(--text-primary);
}

.active-ing {
    font-weight: 500;
    color: var(--text-secondary);
}

.atc-tag {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 6px;
    background: rgba(56, 189, 248, 0.08);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    display: inline-block;
    max-width: 260px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Category Badges */
.badge-stability {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.775rem;
    font-weight: 700;
    white-space: nowrap;
    border: 1px solid transparent;
}

.badge-multi {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    background: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.3);
    margin-top: 0.2rem;
}

.badge-gt24 {
    background: var(--badge-gt24-bg);
    color: var(--badge-gt24-color);
    border-color: var(--badge-gt24-border);
}

.badge-eq24 {
    background: var(--badge-eq24-bg);
    color: var(--badge-eq24-color);
    border-color: var(--badge-eq24-border);
}

.badge-lt24 {
    background: var(--badge-lt24-bg);
    color: var(--badge-lt24-color);
    border-color: var(--badge-lt24-border);
}

.badge-na {
    background: var(--badge-na-bg);
    color: var(--badge-na-color);
    border-color: var(--badge-na-border);
}

.page-num {
    font-weight: 700;
    font-size: 0.85rem;
    text-align: center;
    color: #38bdf8;
    background: rgba(56, 189, 248, 0.1);
    padding: 2px 8px;
    border-radius: 4px;
    display: inline-block;
}

.desc-text {
    max-width: 380px;
    font-size: 0.825rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

.desc-text.clamp {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.btn-toggle-desc {
    background: none;
    border: none;
    color: var(--border-focus);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    margin-top: 4px;
    padding: 0;
}

/* Action Buttons */
.action-group {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-pdf-view {
    padding: 0.35rem 0.7rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
    background: rgba(56, 189, 248, 0.12);
    color: #38bdf8;
    border: 1px solid rgba(56, 189, 248, 0.3);
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    text-decoration: none;
}

.btn-pdf-view:hover {
    background: #0284c7;
    color: #ffffff;
    border-color: #0284c7;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    animation: fadeIn 0.2s ease-out;
}

.modal-container {
    background: var(--bg-main);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 1200px;
    height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    overflow: hidden;
}

.modal-container.modal-medium {
    max-width: 750px;
    height: auto;
    max-height: 90vh;
}

.modal-header {
    padding: 1rem 1.5rem;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title-group {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.pdf-icon { font-size: 1.6rem; color: #ef4444; }
.ai-icon { font-size: 1.6rem; color: #c084fc; }

.modal-title-group h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.modal-title-group p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.modal-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
}

.btn-close:hover {
    color: #ef4444;
    border-color: #ef4444;
}

.modal-body {
    flex: 1;
    background: #525659;
}

.modal-body.modal-padding {
    padding: 1.5rem;
    background: var(--bg-main);
    overflow-y: auto;
}

.modal-body iframe {
    width: 100%;
    height: 100%;
}

/* Upload Drop Zone */
.drop-zone {
    border: 2px dashed var(--border-focus);
    border-radius: var(--radius-md);
    padding: 2.5rem 1.5rem;
    text-align: center;
    background: rgba(56, 189, 248, 0.04);
    cursor: pointer;
    transition: var(--transition);
}

.drop-zone:hover, .drop-zone.drag-over {
    background: rgba(56, 189, 248, 0.12);
    border-color: #38bdf8;
    transform: scale(1.01);
}

.drop-icon {
    font-size: 3rem;
    color: #38bdf8;
    margin-bottom: 0.8rem;
}

.drop-text {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.drop-text span {
    color: #38bdf8;
    text-decoration: underline;
}

.drop-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.4rem;
}

/* AI Loading */
.ai-loading {
    padding: 3rem 1.5rem;
    text-align: center;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(56, 189, 248, 0.2);
    border-top: 4px solid #38bdf8;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.2rem;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.ai-loading h4 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.ai-loading p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Preview Form */
.preview-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.form-field.full-width {
    grid-column: span 2;
}

.form-field label {
    font-size: 0.825rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-field input, .form-field select, .form-field textarea {
    padding: 0.6rem 0.8rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.875rem;
    outline: none;
    transition: var(--transition);
}

body.light-theme .form-field input, body.light-theme .form-field select, body.light-theme .form-field textarea {
    background: #ffffff;
}

.form-field input:focus, .form-field select:focus, .form-field textarea:focus {
    border-color: var(--border-focus);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

/* Pagination Bar */
.pagination-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

.btn-page {
    width: 34px;
    height: 34px;
    border-radius: var(--radius-sm);
    background: rgba(15, 23, 42, 0.5);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.btn-page:hover:not(:disabled) {
    border-color: var(--border-focus);
    color: var(--border-focus);
}

.btn-page:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* No Results */
.no-results {
    padding: 3rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
}

.no-results i {
    font-size: 2.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-secondary);
}

.no-results h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

/* Footer */
.app-footer {
    border-top: 1px solid var(--border-color);
    padding: 1.25rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    background: var(--bg-header);
}

/* Utility */
.hidden { display: none !important; }
.text-center { text-align: center; }

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 992px) {
    .main-content { padding: 1rem; }
    .filter-controls { flex-direction: column; align-items: stretch; }
    .modal-container { height: 95vh; }
    .form-grid { grid-template-columns: 1fr; }
    .form-field.full-width { grid-column: span 1; }
}