/* ===================================================================
   ITC - Area Clienti Dashboard
   Design System matching Il Tuo Commercialista site
   =================================================================== */

/* --- CSS Variables (Design Tokens) --- */
:root {
    --color-bg: #0a0a0a;
    --color-bg-alt: #111111;
    --color-bg-card: #161616;
    --color-bg-card-hover: #1a1a1a;
    --color-surface: #1e1e1e;
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-text: #ffffff;
    --color-text-secondary: #a0a0a0;
    --color-text-tertiary: #666666;
    --color-accent: #c9a96e;
    --color-accent-light: #dfc08a;
    --color-accent-dark: #a88b4a;
    --color-accent-glow: rgba(201, 169, 110, 0.15);
    --color-success: #4ade80;
    --color-success-bg: rgba(74, 222, 128, 0.1);
    --color-warning: #fbbf24;
    --color-warning-bg: rgba(251, 191, 36, 0.1);
    --color-error: #ef4444;
    --color-error-bg: rgba(239, 68, 68, 0.1);
    --font-primary: 'Inter Tight', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
    --font-logo: 'Cormorant Garamond', Georgia, serif;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 40px var(--color-accent-glow);
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1400px;
    --nav-height: 72px;
}

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

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent-light);
}

img {
    max-width: 100%;
    display: block;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-text-tertiary);
    border-radius: 3px;
}

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

/* ===================================================================
   COMPONENTS
   =================================================================== */

/* --- Logo --- */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-mark {
    font-family: var(--font-logo);
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.15em;
}

.logo-text {
    font-size: 0.75rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    line-height: 1.2;
}

.logo-divider {
    width: 1px;
    height: 28px;
    background: var(--color-border-hover);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-family: var(--font-primary);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-accent-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border-hover);
}

.btn-outline:hover:not(:disabled) {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    padding: 8px 16px;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.btn-danger {
    background: transparent;
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    background: var(--color-error-bg);
    border-color: var(--color-error);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.8rem;
}

.client-type-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: 1px solid var(--color-border);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.client-type-btn.active {
    border-color: var(--color-accent);
    background: rgba(201, 169, 110, 0.1);
    color: var(--color-accent);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-icon {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: var(--radius-sm);
}

.btn-icon.btn-sm {
    width: 32px;
    height: 32px;
}

/* --- Form Elements --- */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 20px;
}

.form-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 18px;
    font-family: var(--font-primary);
    font-size: 0.95rem;
    color: var(--color-text);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-glow);
}

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

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form-select option {
    background: var(--color-bg-card);
    color: var(--color-text);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    font-size: 0.8rem;
    color: var(--color-error);
    margin-top: 4px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.input-with-icon {
    position: relative;
}

.input-with-icon .form-input,
.input-with-icon .form-select {
    padding-left: 48px;
}

.input-with-icon .form-select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237a7a7a' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.input-with-icon .form-select option {
    background: var(--color-bg-card);
    color: var(--color-text);
}

.input-with-icon .input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    pointer-events: none;
}

.input-with-icon .input-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    cursor: pointer;
    background: none;
    border: none;
    padding: 4px;
}

.input-with-icon .input-toggle:hover {
    color: var(--color-text-secondary);
}

/* --- Cards --- */
.card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--color-border-hover);
}

.card-elevated {
    box-shadow: var(--shadow-md);
}

/* --- Tags / Badges --- */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    border-radius: 100px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.tag-accent {
    background: var(--color-accent-glow);
    color: var(--color-accent);
    border-color: rgba(201, 169, 110, 0.2);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
}

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

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

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

.btn-delete-file {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--color-text-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-delete-file:hover {
    background: var(--color-error-bg);
    color: var(--color-error);
}

.badge-neutral {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
}

/* --- Section Header --- */
.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

.section-tag::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--color-accent);
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(1.5rem, 3vw, 2rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 12px;
}

.section-title em {
    font-family: var(--font-serif);
    font-style: italic;
    color: var(--color-accent);
}

/* --- Toast Notifications --- */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 20px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    min-width: 320px;
    max-width: 480px;
    transform: translateX(120%);
    opacity: 0;
    transition: all var(--transition-normal);
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast-success {
    border-color: rgba(74, 222, 128, 0.3);
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-error {
    border-color: rgba(239, 68, 68, 0.3);
}

.toast-error .toast-icon {
    color: var(--color-error);
}

.toast-warning {
    border-color: rgba(251, 191, 36, 0.3);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 4px;
}

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

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

.data-table thead {
    background: var(--color-surface);
}

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

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

.data-table .actions {
    display: flex;
    gap: 4px;
}

/* --- Modal --- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    z-index: 9000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-bg-alt);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 24px 0;
}

.modal-title {
    font-size: 1.1rem;
    font-weight: 600;
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding: 0 24px 24px;
}

/* --- Empty State --- */
.empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--color-text-tertiary);
}

.empty-state-icon {
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.empty-state-text {
    font-size: 0.875rem;
}

/* --- Loading Spinner --- */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-accent);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
    z-index: 10;
}

/* ===================================================================
   LOGIN PAGE
   =================================================================== */

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.login-bg-gradient {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--color-accent-glow) 0%, transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    opacity: 0.5;
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(20px);
}

.login-logo {
    text-align: center;
    margin-bottom: 40px;
}

.login-logo .logo-mark {
    font-size: 2.4rem;
    display: block;
    margin-bottom: 8px;
}

.login-logo .logo-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 24px;
}

.login-logo .login-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: var(--color-accent);
    padding: 8px 20px;
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 100px;
    background: var(--color-accent-glow);
}

.login-form {
    margin-bottom: 24px;
}

.login-error {
    display: none;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-error-bg);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    color: var(--color-error);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.login-error.show {
    display: flex;
}

.login-footer {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.login-footer a {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.login-footer a:hover {
    color: var(--color-accent);
}

.login-studio {
    text-align: center;
    margin-top: 24px;
    font-size: 0.7rem;
    color: var(--color-text-tertiary);
    letter-spacing: 0.1em;
}

/* ===================================================================
   DASHBOARD PAGE
   =================================================================== */

/* --- Top Nav --- */
.topnav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 clamp(20px, 4vw, 40px);
}

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

.topnav-center {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.topnav-center .user-name {
    color: var(--color-text);
    font-weight: 500;
}

.topnav-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* --- Main Content --- */
.dashboard-main {
    padding-top: calc(var(--nav-height) + 40px);
    padding-bottom: 60px;
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: clamp(20px, 4vw, 60px);
    padding-right: clamp(20px, 4vw, 60px);
}

.dashboard-header {
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
}

.dashboard-welcome {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

/* --- Category Selector --- */
.category-section {
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
}

.category-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
}

.category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 12px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
}

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

.category-card.active {
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
    box-shadow: var(--shadow-glow);
}

.category-card.active .category-icon {
    color: var(--color-accent);
}

.category-card.active .category-name {
    color: var(--color-accent);
}

.category-icon {
    color: var(--color-text-tertiary);
    transition: color var(--transition-fast);
}

.category-name {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    letter-spacing: 0.02em;
}

.category-count {
    font-size: 0.65rem;
    color: var(--color-text-tertiary);
    background: rgba(255, 255, 255, 0.05);
    padding: 2px 8px;
    border-radius: 100px;
}

/* --- Upload Zone --- */
.upload-section {
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(20px);
}

.upload-zone {
    position: relative;
    border: 2px dashed rgba(201, 169, 110, 0.25);
    border-radius: var(--radius-lg);
    padding: 60px 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background: transparent;
}

.upload-zone:hover {
    border-color: rgba(201, 169, 110, 0.5);
    background: var(--color-accent-glow);
}

.upload-zone.dragover {
    border-color: var(--color-accent);
    background: var(--color-accent-glow);
    box-shadow: var(--shadow-glow);
    transform: scale(1.01);
}

.upload-zone.disabled {
    opacity: 0.4;
    pointer-events: none;
}

.upload-zone-icon {
    color: var(--color-accent);
    margin-bottom: 16px;
    opacity: 0.7;
}

.upload-zone-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 8px;
}

.upload-zone-subtitle {
    font-size: 0.8rem;
    color: var(--color-text-tertiary);
}

.upload-zone-input {
    display: none;
}

/* --- File Queue --- */
.file-queue {
    margin-top: 24px;
    display: none;
}

.file-queue.has-files {
    display: block;
}

.file-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.file-queue-title {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.file-queue-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 16px;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.file-item-icon {
    color: var(--color-accent);
    flex-shrink: 0;
}

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

.file-item-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-item-size {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
}

.file-item-status {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-item-progress {
    width: 80px;
    height: 4px;
    background: var(--color-surface);
    border-radius: 2px;
    overflow: hidden;
}

.file-item-progress-bar {
    height: 100%;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width var(--transition-fast);
    width: 0%;
}

.file-item .remove-btn {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 4px;
    transition: color var(--transition-fast);
}

.file-item .remove-btn:hover {
    color: var(--color-error);
}

.file-item.uploading {
    border-color: rgba(201, 169, 110, 0.2);
}

.file-item.success {
    border-color: rgba(74, 222, 128, 0.2);
}

.file-item.success .file-item-status-icon {
    color: var(--color-success);
}

.file-item.error {
    border-color: rgba(239, 68, 68, 0.2);
}

.file-item.error .file-item-status-icon {
    color: var(--color-error);
}

.upload-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

/* --- Upload History --- */
.history-section {
    opacity: 0;
    transform: translateY(20px);
}

.history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.history-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 6px 14px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-text-tertiary);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 100px;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-primary);
}

.filter-btn:hover {
    color: var(--color-text-secondary);
    border-color: var(--color-border-hover);
}

.filter-btn.active {
    color: var(--color-accent);
    border-color: rgba(201, 169, 110, 0.3);
    background: var(--color-accent-glow);
}

/* ===================================================================
   ADMIN PAGE
   =================================================================== */

/* --- Admin Login --- */
.admin-login-overlay {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.admin-login-overlay.hidden {
    display: none;
}

/* --- Admin Layout --- */
.admin-layout {
    min-height: 100vh;
    display: none;
}

.admin-layout.active {
    display: block;
}

/* --- Admin Sidebar --- */
.admin-sidebar {
    background: var(--color-bg-alt);
    border-right: 1px solid var(--color-border);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 260px;
    z-index: 100;
}

.admin-sidebar-header {
    padding: 0 24px 24px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 8px;
}

.admin-sidebar-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--color-text-tertiary);
    margin-top: 8px;
}

.admin-nav {
    flex: 1;
    padding: 8px 12px;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background: none;
    width: 100%;
    font-family: var(--font-primary);
    text-align: left;
}

.admin-nav-item:hover {
    color: var(--color-text);
    background: rgba(255, 255, 255, 0.05);
}

.admin-nav-item.active {
    color: var(--color-accent);
    background: var(--color-accent-glow);
}

.admin-sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--color-border);
    margin-top: auto;
}

/* --- Admin Content --- */
.admin-content {
    margin-left: 260px;
    padding: 32px clamp(24px, 4vw, 48px);
}

.admin-content-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.admin-content-title {
    font-size: 1.5rem;
    font-weight: 700;
}

/* --- Admin Stats --- */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    transition: all var(--transition-fast);
}

.stat-card[onclick]:hover {
    border-color: var(--color-accent);
    background: rgba(201, 169, 110, 0.05);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--color-accent-glow);
    color: var(--color-accent);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    line-height: 1;
}

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

/* --- Admin Views --- */
.admin-view {
    display: none;
}

.admin-view.active {
    display: block;
}

/* --- Settings --- */
.settings-group {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
}

.settings-group-title {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border);
}

.extension-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.extension-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--color-accent-glow);
    border: 1px solid rgba(201, 169, 110, 0.2);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--color-accent);
}

.extension-tag .remove-ext {
    cursor: pointer;
    background: none;
    border: none;
    color: var(--color-accent);
    padding: 0;
    font-size: 1rem;
    line-height: 1;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.extension-tag .remove-ext:hover {
    opacity: 1;
}

/* --- Password Change Modal --- */
.password-section {
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

/* ===================================================================
   UTILITIES
   =================================================================== */

.text-accent { color: var(--color-accent); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.font-serif { font-family: var(--font-serif); }
.font-weight-600 { font-weight: 600; }

.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.hidden { display: none !important; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */

@media (max-width: 1200px) {
    .category-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .admin-sidebar {
        width: 220px;
    }
    .admin-content {
        margin-left: 220px;
    }
}

@media (max-width: 768px) {
    .category-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .topnav-center {
        display: none;
    }

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

    .upload-zone {
        padding: 40px 20px;
    }

    .login-card {
        padding: 36px 28px;
    }

    /* Admin responsive */
    .admin-sidebar {
        position: fixed;
        left: -260px;
        width: 260px;
        transition: left var(--transition-normal);
        z-index: 1000;
    }

    .admin-sidebar.open {
        left: 0;
    }

    .admin-content {
        margin-left: 0;
    }

    .mobile-menu-toggle {
        display: flex !important;
    }
}

@media (max-width: 480px) {
    .category-grid {
        grid-template-columns: 1fr 1fr;
        gap: 8px;
    }

    .category-card {
        padding: 16px 8px;
    }

    .data-table {
        font-size: 0.8rem;
    }

    .data-table th,
    .data-table td {
        padding: 10px 12px;
    }

    .history-filters {
        width: 100%;
        overflow-x: auto;
        flex-wrap: nowrap;
        padding-bottom: 4px;
    }

    .filter-btn {
        flex-shrink: 0;
    }

    .btn {
        padding: 10px 18px;
        font-size: 0.8rem;
    }

    .upload-actions {
        flex-direction: column;
    }

    .upload-actions .btn {
        width: 100%;
    }
}

/* Mobile menu toggle - hidden by default */
.mobile-menu-toggle {
    display: none !important;
}

/* Admin overlay for mobile */
.admin-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.admin-sidebar-overlay.active {
    display: block;
}