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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
    color: #fff;
    min-height: 100vh;
}

:root {
    --azul-metalico: #1a2332;
    --azul-metalico-claro: #2c3e50;
    --azul-celeste-metalico: #2980b9;
    --azul-celeste-brilhante: #3498db;
    --metal-gradient: linear-gradient(145deg, #1a2332 0%, #2980b9 100%);
    --metal-gradient-hover: linear-gradient(145deg, #2c3e50 0%, #3498db 100%);
    --metal-shadow: 0 8px 32px rgba(41, 128, 185, 0.3);
    --metal-border: 1px solid rgba(52, 152, 219, 0.3);
    --glass-bg: rgba(26, 26, 46, 0.9);
}

/* ===== LOGIN PAGE ===== */
.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #0a0a1a 0%, #1a1a2e 100%);
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.login-box {
    background: var(--glass-bg);
    padding: 45px 40px;
    border-radius: 24px;
    border: var(--metal-border);
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
    backdrop-filter: blur(20px);
}

.login-logo {
    text-align: center;
    margin-bottom: 20px;
}

.login-logo img {
    height: 80px;
    border-radius: 16px;
    border: 3px solid rgba(52, 152, 219, 0.2);
    padding: 5px;
}

.login-box h2 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 24px;
    background: var(--metal-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.input-group {
    position: relative;
    margin-bottom: 15px;
}

.input-group i {
    position: absolute;
    left: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #3498db;
    font-size: 18px;
}

.input-group input {
    width: 100%;
    padding: 14px 15px 14px 45px;
    border: var(--metal-border);
    border-radius: 12px;
    background: rgba(255,255,255,0.05);
    color: #fff;
    font-size: 15px;
    transition: all 0.3s;
}

.input-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 20px rgba(52, 152, 219, 0.15);
}

.login-box button {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 12px;
    background: var(--metal-gradient);
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
}

.login-box button:hover {
    transform: translateY(-2px);
    box-shadow: var(--metal-shadow);
}

.error-msg {
    background: rgba(231, 76, 60, 0.15);
    border: 1px solid #e74c3c;
    padding: 12px;
    border-radius: 12px;
    margin-bottom: 15px;
    color: #e74c3c;
    text-align: center;
}

.login-info {
    text-align: center;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.login-info p {
    color: #8888a0;
    font-size: 14px;
}

.login-info strong {
    color: #3498db;
}

.back-home {
    display: inline-block;
    margin-top: 12px;
    color: #8888a0;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s;
}

.back-home:hover {
    color: #3498db;
}

/* ===== ADMIN DASHBOARD ===== */
.admin-container {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: 260px;
    background: var(--glass-bg);
    padding: 20px;
    border-right: var(--metal-border);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    backdrop-filter: blur(20px);
}

.sidebar-header {
    padding-bottom: 20px;
    border-bottom: var(--metal-border);
    margin-bottom: 25px;
}

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

.logo-admin img {
    height: 45px;
    border-radius: 12px;
    border: 2px solid rgba(52, 152, 219, 0.2);
    padding: 3px;
}

.logo-admin h2 {
    font-size: 22px;
    background: var(--metal-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.sidebar nav a {
    color: #8888a0;
    text-decoration: none;
    padding: 12px 18px;
    border-radius: 12px;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.sidebar nav a i {
    width: 20px;
    text-align: center;
    font-size: 16px;
}

.sidebar nav a:hover {
    background: rgba(52, 152, 219, 0.08);
    color: #fff;
}

.sidebar nav a.active {
    background: var(--metal-gradient);
    color: #fff;
    box-shadow: var(--metal-shadow);
}

/* MAIN CONTENT */
.main-content {
    margin-left: 260px;
    padding: 30px 35px;
    flex: 1;
}

.top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 35px;
    padding-bottom: 20px;
    border-bottom: var(--metal-border);
}

.top-bar h1 {
    font-size: 28px;
    background: var(--metal-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.user-info {
    color: #8888a0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 16px;
}

.user-info i {
    font-size: 28px;
    color: #3498db;
}

/* STATS GRID */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.stat-card {
    background: var(--glass-bg);
    padding: 25px;
    border-radius: 16px;
    border: var(--metal-border);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s;
    backdrop-filter: blur(10px);
}

.stat-card:hover {
    transform: translateY(-4px);
    border-color: rgba(52, 152, 219, 0.5);
    box-shadow: var(--metal-shadow);
}

.stat-icon {
    width: 55px;
    height: 55px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: #fff;
    flex-shrink: 0;
}

.stat-info h3 {
    color: #8888a0;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 4px;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    background: var(--metal-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* THEME CONFIG */
.config-section {
    margin-bottom: 40px;
}

.config-section h2 {
    font-size: 22px;
    margin-bottom: 20px;
    color: #fff;
}

.config-section h2 i {
    color: #3498db;
    margin-right: 10px;
}

.theme-config {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.theme-option {
    background: var(--glass-bg);
    padding: 25px;
    border-radius: 16px;
    border: var(--metal-border);
    transition: all 0.3s;
}

.theme-option.active {
    border-color: #3498db;
    box-shadow: 0 0 30px rgba(52, 152, 219, 0.1);
}

.theme-option h4 {
    margin-bottom: 15px;
    color: #fff;
}

.theme-option h4 i {
    margin-right: 8px;
    color: #3498db;
}

.theme-preview {
    margin: 15px 0;
    padding: 15px;
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    min-height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preview-card {
    border-radius: 10px;
    overflow: hidden;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.05);
}

.preview-card.vertical {
    width: 160px;
}

.preview-card.vertical .preview-img {
    height: 200px;
    background: var(--metal-gradient);
}

.preview-card.vertical .preview-info {
    padding: 12px;
}

.preview-card.horizontal {
    display: flex;
    width: 280px;
}

.preview-card.horizontal .preview-img {
    width: 100px;
    height: 130px;
    background: var(--metal-gradient);
    flex-shrink: 0;
}

.preview-card.horizontal .preview-info {
    padding: 12px;
    flex: 1;
}

.preview-title {
    height: 16px;
    background: rgba(255,255,255,0.1);
    border-radius: 4px;
    margin-bottom: 8px;
    width: 70%;
}

.preview-meta {
    height: 10px;
    background: rgba(255,255,255,0.06);
    border-radius: 4px;
    margin-bottom: 6px;
    width: 50%;
}

.preview-sinopse {
    height: 8px;
    background: rgba(255,255,255,0.04);
    border-radius: 4px;
    width: 80%;
    margin-bottom: 4px;
}

.btn-config {
    padding: 10px 25px;
    border: none;
    border-radius: 25px;
    background: rgba(255,255,255,0.06);
    color: #8888a0;
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 500;
    width: 100%;
}

.btn-config:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
}

.btn-config.active {
    background: var(--metal-gradient);
    color: #fff;
    box-shadow: var(--metal-shadow);
}

/* BANNERS */
.banners-section {
    margin-bottom: 40px;
}

.banners-section h2 {
    font-size: 22px;
    margin-bottom: 20px;
}

.banners-section h2 i {
    color: #3498db;
    margin-right: 10px;
}

.banner-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 18px;
}

.banner-item {
    background: var(--glass-bg);
    border-radius: 14px;
    overflow: hidden;
    border: var(--metal-border);
    transition: all 0.3s;
}

.banner-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--metal-shadow);
}

.banner-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.banner-name {
    padding: 10px 12px;
    font-size: 12px;
    color: #8888a0;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.banner-actions {
    display: flex;
    gap: 5px;
    padding: 0 10px 10px;
}

.banner-actions button {
    flex: 1;
    padding: 6px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 14px;
}

.btn-delete {
    background: rgba(231, 76, 60, 0.15);
    color: #e74c3c;
}

.btn-delete:hover {
    background: rgba(231, 76, 60, 0.3);
}

.btn-share {
    background: rgba(52, 152, 219, 0.15);
    color: #3498db;
}

.btn-share:hover {
    background: rgba(52, 152, 219, 0.3);
}

.no-banners {
    text-align: center;
    padding: 50px 20px;
    grid-column: 1 / -1;
}

.no-banners h3 {
    margin: 15px 0 8px;
    color: #fff;
}

.no-banners p {
    color: #8888a0;
    font-size: 14px;
}

/* LOGO UPLOAD */
.logo-upload {
    display: flex;
    gap: 30px;
    align-items: center;
    background: var(--glass-bg);
    padding: 25px;
    border-radius: 16px;
    border: var(--metal-border);
}

.logo-preview img {
    height: 100px;
    border-radius: 16px;
    border: 3px solid rgba(52, 152, 219, 0.2);
    padding: 5px;
}

.logo-upload-form {
    flex: 1;
}

.logo-upload-form input[type="file"] {
    display: block;
    margin-bottom: 12px;
    color: #8888a0;
}

.logo-upload-form input[type="file"]::file-selector-button {
    padding: 10px 20px;
    border: var(--metal-border);
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
    color: #fff;
    cursor: pointer;
    margin-right: 15px;
    transition: all 0.3s;
}

.logo-upload-form input[type="file"]::file-selector-button:hover {
    background: rgba(255,255,255,0.1);
}

.btn-upload {
    padding: 12px 30px;
    border: none;
    border-radius: 12px;
    background: var(--metal-gradient);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-upload:hover {
    transform: translateY(-2px);
    box-shadow: var(--metal-shadow);
}

.upload-info {
    margin-top: 8px;
    color: #666680;
    font-size: 13px;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .theme-config {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        padding: 15px 10px;
    }
    
    .sidebar nav a span,
    .logo-admin h2 {
        display: none;
    }
    
    .sidebar nav a {
        padding: 12px;
        justify-content: center;
    }
    
    .sidebar nav a i {
        font-size: 20px;
        margin: 0;
    }
    
    .main-content {
        margin-left: 70px;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .logo-upload {
        flex-direction: column;
        text-align: center;
    }
    
    .banner-list {
        grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .top-bar h1 {
        font-size: 20px;
    }
}