/* ======== DESIGN MODERNO - INÍCIO ======== */
:root { 
    --primary-color: #6366f1; 
    --primary-hover: #5b21b6;
    --danger-color: #ef4444; 
    --danger-hover: #dc2626;
    --success-color: #10b981; 
    --success-hover: #059669;
    --light-gray: #f8fafc; 
    --gray: #e2e8f0; 
    --text-color: #1e293b;
    --text-secondary: #64748b;
    --white: #ffffff;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-card: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --sidebar-width: 280px;
}

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

body { 
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; 
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text-color); 
    line-height: 1.6;
}

/* ======== LOGIN SCREEN ======== */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    background: var(--white);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 100%;
    text-align: center;
}

.login-card h1 {
    color: var(--text-color);
    margin-bottom: 30px;
    font-size: 2rem;
    font-weight: 700;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.login-form input {
    padding: 15px 20px;
    border: 2px solid var(--gray);
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    outline: none;
}

.login-form input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.login-btn {
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.login-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ======== MODAL ======== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    background-color: var(--white);
    margin: 15% auto;
    padding: 30px;
    border-radius: 16px;
    width: 90%;
    max-width: 400px;
    text-align: center;
    animation: slideIn 0.3s ease;
}

.modal-content h2 {
    color: var(--danger-color);
    margin-bottom: 20px;
}

.modal-btn {
    background: var(--danger-color);
    color: var(--white);
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    margin-top: 20px;
}

/* ======== DASHBOARD LAYOUT ======== */
.dashboard {
    display: none;
    min-height: 100vh;
}

.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    background: var(--gradient-primary);
    padding: 30px 20px;
    text-align: center;
    color: var(--white);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
}

.sidebar-nav {
    padding: 20px 0;
    flex: 1;
}

.sidebar-nav ul {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: 5px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: var(--text-color);
    text-decoration: none;
    transition: all 0.3s ease;
    border-right: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--light-gray);
    border-right-color: var(--primary-color);
}

.sidebar-nav a.active {
    background: rgba(99, 102, 241, 0.1);
    border-right-color: var(--primary-color);
    font-weight: 600;
    color: var(--primary-color);
}

.sidebar-nav span {
    margin-left: 10px;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 20px;
    border-top: 1px solid var(--gray);
}

.logout-btn {
    width: 100%;
    background: var(--danger-color);
    color: var(--white);
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: var(--danger-hover);
    transform: translateY(-2px);
}

.main-content {
    margin-left: var(--sidebar-width);
    padding: 20px;
    transition: margin-left 0.3s ease;
}

.container { 
    max-width: 1400px; 
    margin: 0 auto; 
    background: var(--white); 
    border-radius: 20px; 
    box-shadow: var(--shadow-xl);
    overflow: hidden;
}

.header {
    background: var(--gradient-primary);
    padding: 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

.header h1 {
    color: var(--white);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

.header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    position: relative;
    z-index: 1;
}

.content {
    padding: 40px;
}

.form-container, .table-container, .info-card { 
    margin-bottom: 40px; 
}

.form-container {
    background: linear-gradient(135deg, #f0f2f5, #e6e9ee);
    border: 1px solid var(--gray);
    border-radius: 16px;
    padding: 30px;
    box-shadow: var(--shadow-md);
}

.form-container h2 {
    color: var(--text-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 25px;
    text-align: center;
}

.form-wrapper {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

input[type="url"], input[type="file"], textarea { 
    width: 100%;
    padding: 15px 20px; 
    border: 2px solid var(--gray);
    border-radius: 12px; 
    font-size: 16px;
    background: var(--white);
    transition: all 0.3s ease;
    outline: none;
}

input[type="url"]:focus, input[type="file"]:focus, textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

input::placeholder, textarea::placeholder {
    color: var(--text-secondary);
}

#addTemplateForm button[type="submit"], #addVideoForm button[type="submit"] {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: var(--white);
    border: none; 
    padding: 15px 40px; 
    border-radius: 12px; 
    cursor: pointer; 
    font-size: 16px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-md);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    width: auto;
    align-self: center;
    margin-top: 10px;
}

#addTemplateForm button[type="submit"]:hover:not(:disabled), #addVideoForm button[type="submit"]:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

#addTemplateForm button[type="submit"]:disabled, #addVideoForm button[type="submit"]:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.table-container {
    background: var(--white);
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--gray);
}

.table-container h2 {
    color: var(--text-color);
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 25px;
    padding: 30px 30px 0;
}

.table-wrapper {
    overflow-x: auto;
}

table { 
    width: 100%; 
    border-collapse: collapse; 
    table-layout: fixed;
    background: var(--white);
}

th, td { 
    padding: 20px; 
    text-align: left; 
    border-bottom: 1px solid var(--gray); 
    vertical-align: middle;
}

th { 
    background: var(--light-gray);
    font-weight: 600; 
    color: var(--text-color);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: sticky;
    top: 0;
    z-index: 10;
}

td a { 
    color: var(--primary-color); 
    text-decoration: none; 
    font-weight: 500;
    transition: color 0.3s ease;
}

td a:hover { 
    color: var(--primary-hover);
}

.video-thumbnail { 
    width: 120px; 
    height: 90px; 
    object-fit: cover; 
    border-radius: 12px; 
    display: block;
    transition: transform 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.video-thumbnail:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.title-cell {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 0;
}

.actions-cell {
    width: 240px;
    text-align: center;
}

.actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.actions button { 
    border: none; 
    padding: 12px 20px; 
    border-radius: 10px; 
    cursor: pointer; 
    color: white; 
    font-weight: 600; 
    font-size: 14px;
    transition: all 0.3s ease; 
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.actions button:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.actions button:disabled { 
    background-color: #94a3b8; 
    cursor: not-allowed;
    transform: none;
}

.btn-approve { 
    background: linear-gradient(135deg, var(--success-color), var(--success-hover));
}

.btn-reject { 
    background: linear-gradient(135deg, var(--danger-color), var(--danger-hover));
}

.status-message { 
    padding: 16px 20px; 
    margin-top: 20px; 
    border-radius: 12px; 
    text-align: center; 
    display: none; 
    font-weight: 500;
    animation: slideIn 0.3s ease;
}

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

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

.status-success { 
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    color: var(--success-hover);
    border: 1px solid var(--success-color);
}

.status-error { 
    background: linear-gradient(135deg, #fef2f2, #fecaca);
    color: var(--danger-hover);
    border: 1px solid var(--danger-color);
}

.empty-row td {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-style: italic;
    font-size: 18px;
}

.empty-row td::before {
    content: "📹";
    display: block;
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.5;
}

tbody tr {
    transition: all 0.3s ease;
}

tbody tr:hover {
    background: rgba(99, 102, 241, 0.02);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.page-content {
    display: none;
}

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

/* --- NOVOS ESTILOS PARA PÁGINA DE TEMPLATES --- */
.info-card {
    background: var(--gradient-primary);
    border-radius: 16px;
    padding: 25px 30px;
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--white);
}
.info-card-text h3 {
    margin: 0 0 5px 0;
    font-size: 1.2rem;
}
.info-card-text p {
    margin: 0;
    font-size: 1rem;
    opacity: 0.9;
}
.info-card-btn {
    background: var(--white);
    color: var(--primary-color);
    padding: 12px 25px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    white-space: nowrap;
}
.info-card-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-hover);
}
#addTemplateForm {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}
.form-group label {
    font-weight: 600;
    color: var(--text-color);
}
.form-group-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    text-align: left;
}
.form-group-checkbox label {
    font-weight: 500;
    cursor: pointer;
}
input[type="file"] {
    padding: 10px;
    background: #f8fafc;
}
input[type="file"]::file-selector-button {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s ease;
}
input[type="file"]::file-selector-button:hover {
    background: var(--primary-hover);
}
/* --- FIM DOS NOVOS ESTILOS --- */


.mobile-menu-btn {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1000;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 10px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
}

/* ======== RESPONSIVE ======== */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

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

    .container {
        margin: 10px;
        border-radius: 16px;
    }

    .header { 
        padding: 30px 20px; 
    }

    .header h1 { 
        font-size: 2rem; 
    }

    .content { 
        padding: 20px; 
    }

    .form-container { 
        padding: 20px; 
    }

    .form-wrapper { 
        gap: 15px; 
        flex-direction: column; 
    }

    input[type="url"] { 
        width: 100%; 
    }

    th, td { 
        padding: 12px; 
    }

    .actions { 
        flex-direction: column; 
        gap: 8px; 
    }

    .actions-cell { 
        width: auto; 
    }

    .login-card {
        padding: 30px 20px;
    }

    .modal-content {
        margin: 25% auto;
        padding: 20px;
    }

    .info-card {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}

.table-wrapper::-webkit-scrollbar { 
    height: 8px; 
}

.table-wrapper::-webkit-scrollbar-track { 
    background: var(--light-gray); 
}

.table-wrapper::-webkit-scrollbar-thumb { 
    background: var(--gray); 
    border-radius: 4px; 
}

.table-wrapper::-webkit-scrollbar-thumb:hover { 
    background: var(--text-secondary); 
}