:root {
    --bg-color: #0B1115;
    --text-main: #F4F6F4;
    --accent-primary: #40916C;
    --accent-gold: #C9A84C;
    
    /* Cores de Feedback ajustadas para maior contraste no Dark Mode */
    --erro: #ef4444;
    --aviso: #f59e0b;
    --ok: #10b981;
    --azul: #3b82f6;
    --branco: #FFFFFF;

    /* Variáveis base corrigidas e ajustadas */
    --cinza1: #0B1115;
    --cinza2: #151A21;
    --cinza3: rgba(255, 255, 255, 0.12);
    --cinza5: #A0AEC0;
    --verde: #F1F5F9; /* Texto Principal Claro */
    --verdeM: #40916C;
    --verdeL: #52B788;

    /* Mapeamento do Tema */
    --bg-dark: var(--cinza1);
    --bg-darker: var(--cinza2);
    --bg-card: rgba(21, 26, 33, 0.75);
    --bg-card-hover: rgba(30, 41, 59, 0.9);
    --text-primary: var(--verde);
    --text-secondary: var(--cinza5);
    --accent-gradient: linear-gradient(135deg, var(--verdeM), var(--verdeL));
    --danger: var(--erro);
    --success: var(--ok);
    --warning: var(--aviso);
    --border-color: var(--cinza3);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.5);
    
    --font-family: 'Outfit', sans-serif;
    --sidebar-width: 260px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color-scheme: dark;
}

:root[data-theme="light"] {
    --bg-color: #F8FAFC;
    --text-main: #0F172A;
    --cinza1: #F1F5F9;
    --cinza2: #E2E8F0;
    --cinza3: rgba(0, 0, 0, 0.1);
    --cinza5: #475569;
    --verde: #1E293B;
    
    --bg-dark: var(--cinza1);
    --bg-darker: var(--cinza2);
    --bg-card: rgba(255, 255, 255, 0.7);
    --bg-card-hover: rgba(255, 255, 255, 0.95);
    --text-primary: var(--verde);
    --text-secondary: var(--cinza5);
    --border-color: var(--cinza3);
    --glass-border: rgba(255, 255, 255, 0.5);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.1);
    
    color-scheme: light;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    color-scheme: dark;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 15% 50%, rgba(45, 106, 79, 0.05), transparent 25%),
        radial-gradient(circle at 85% 30%, rgba(201, 168, 76, 0.05), transparent 25%);
    background-attachment: fixed;
}

/* Glassmorphism Utilities */
.glass-panel {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.text-muted {
    color: var(--text-secondary);
}

.text-xs {
    font-size: 0.75rem;
}

/* App Layout */
#app-container {
    display: flex;
    min-height: 100vh;
}

.hidden {
    display: none !important;
}

/* Sidebar */
#sidebar {
    width: var(--sidebar-width);
    background: var(--bg-darker);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
    z-index: 100;
}

.sidebar-brand {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-brand.layout-column {
    flex-direction: column;
    justify-content: center;
    text-align: center;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.sidebar-brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-brand h1 span {
    color: var(--accent-primary);
    font-weight: 300;
}

.sidebar-menu {
    list-style: none;
    flex: 1;
    padding: 0 1rem;
}

.sidebar-menu li {
    margin-bottom: 0.5rem;
}

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition);
    font-weight: 500;
}

.sidebar-menu a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.sidebar-menu a.active {
    color: var(--branco);
    background: var(--accent-gradient);
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.2);
}

.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-details {
    display: flex;
    flex-direction: column;
}

#user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

#user-role {
    font-size: 0.75rem;
    color: var(--accent-primary);
}

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(45, 106, 79, 0.2);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--text-secondary);
    box-shadow: none;
}

.btn-secondary {
    background: rgba(45, 106, 79, 0.1);
    color: var(--verde);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
}

.btn-secondary:hover {
    background: rgba(45, 106, 79, 0.2);
}

.btn-icon {
    background: transparent;
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

.btn-icon-small {
    background: transparent;
    color: var(--text-secondary);
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon-small:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

.btn-delete {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
}

/* ============================
   SETTINGS PREMIUM UI
============================= */
.settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1000px;
}

@media (min-width: 900px) {
    .settings-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.settings-card {
    padding: 2rem;
    height: 100%;
}

.settings-card h3 {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.custom-file-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

:root[data-theme="light"] .custom-file-upload {
    background: rgba(255, 255, 255, 0.5);
}

.custom-file-upload:hover {
    border-color: var(--accent-primary);
    background: rgba(64, 145, 108, 0.1);
}

.custom-file-upload i {
    font-size: 2.5rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.custom-file-upload:hover i {
    color: var(--accent-primary);
}

.custom-file-upload input[type="file"] {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.logo-preview-container {
    margin-top: 1rem;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--bg-darker);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.logo-preview-container img {
    max-height: 80px;
    max-width: 100%;
    object-fit: contain;
}
.btn-delete:hover {
    background: var(--danger);
    color: white;
}

.w-full {
    width: 100%;
}

.btn-large {
    padding: 1rem;
    font-size: 1.1rem;
}

/* Main Content */
#main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
    max-height: 100vh;
    overflow-y: auto;
}

.view {
    display: none;
    padding: 3rem;
    animation: fadeIn 0.4s ease forwards;
}

.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.view-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.view-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.view-header p {
    color: var(--text-secondary);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

input[type="text"],
input[type="password"],
input[type="url"],
input[type="number"],
input[type="date"],
input[type="time"],
select {
    width: 100%;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.8rem 1rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

select {
    background-color: #151A21; /* Fundo sólido para corrigir bugs de renderização nativa de options */
}

input:focus, select:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(45, 106, 79, 0.1);
}

select option {
    background-color: #151A21;
    color: #F1F5F9;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.w-half {
    flex: 1;
}

.error-text {
    color: var(--danger);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    text-align: center;
    min-height: 20px;
}

/* Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    background: rgba(0, 0, 0, 0.25);
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    max-height: 200px;
    overflow-y: auto;
}

.checkbox-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-item input {
    accent-color: var(--accent-primary);
    width: 18px;
    height: 18px;
}

/* Login View */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 6rem);
}

.login-panel {
    width: 100%;
    max-width: 420px;
    padding: 3rem;
}

.brand-large {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-icon-large {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--accent-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.4);
}

/* Setup Player View */
.setup-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    height: calc(100vh - 6rem);
}
.setup-panel {
    width: 100%;
    max-width: 500px;
    padding: 3rem;
    text-align: center;
}
.setup-icon {
    font-size: 4rem;
    color: var(--accent-primary);
    margin-bottom: 1.5rem;
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.stat-card {
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: rgba(99, 102, 241, 0.4);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
}

.stat-info h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.stat-info h2 {
    font-size: 2.5rem;
    color: white;
}

/* Media Grid */
.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.media-card {
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    position: relative;
}

.media-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-color: rgba(99, 102, 241, 0.3);
}

.media-thumb {
    height: 160px;
    background: #1a1d2d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--accent-primary);
    position: relative;
}
.media-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.media-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-type-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.7);
    padding: 0.3rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.media-info {
    padding: 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.media-info h4 {
    font-size: 1rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
}

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

/* Image Preview Hover Effect */
.media-thumb-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.media-thumb-container .media-img-preview {
    position: absolute;
    top: -150px;
    left: 50%;
    transform: translateX(-50%) scale(0.5);
    width: 250px;
    height: 180px;
    object-fit: cover;
    border-radius: 12px;
    border: 3px solid var(--accent-primary);
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 100;
}
.media-card:hover .media-img-preview {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) scale(1);
    top: -190px;
}

/* TVs List */
.tvs-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.tv-card {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tv-details {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.tv-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border-radius: 12px;
}

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

.data-table th, .data-table td {
    padding: 1.2rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: rgba(0, 0, 0, 0.3);
}

.data-table tr:hover td {
    background: rgba(45, 106, 79, 0.02);
}

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.status-active {
    background: rgba(16, 185, 129, 0.15);
    color: var(--success);
}

.status-inactive { background: rgba(192, 57, 43, 0.2); color: #e74c3c; }

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal-content {
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-lg {
    max-width: 700px;
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-actions {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
}

/* Tabs */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.tab-btn {
    flex: 1;
    background: transparent;
    color: var(--text-secondary);
    padding: 1rem;
    font-weight: 600;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.tab-content {
    display: none;
}
.tab-content.active {
    display: block;
    animation: fadeIn 0.3s;
}

/* Upload Area */
.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 3rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.25);
}

.upload-area:hover, .upload-area.dragover {
    border-color: var(--accent-primary);
    background: rgba(45, 106, 79, 0.05);
}

.upload-area i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.upload-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.file-info {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--success);
}

.progress-container {
    width: 100%;
    height: 8px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    margin-top: 1rem;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

/* Fullscreen Player */
#player-view {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: black;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

#player-content-container {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#player-content-container video,
#player-content-container img,
#player-content-container iframe,
#player-content-container object {
    width: 100%;
    height: 100%;
    object-fit: contain; /* Ou cover dependendo do requisito, contain garante não cortar */
    border: none;
}

.player-controls {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    border-radius: 30px;
    display: flex;
    gap: 2rem;
    align-items: center;
    transition: opacity 0.5s;
    opacity: 0; /* Hidden by default until mouse move */
}

#player-view:hover .player-controls {
    opacity: 1;
}

.player-info {
    color: white;
    font-weight: 500;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.toast {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border-left: 4px solid var(--accent-primary);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
    animation: slideInRight 0.3s forwards;
}

.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}