/* CSS Moderno e Responsivo - IPTV Panel PRO */

:root {
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --secondary: #38bdf8;
    --danger: #ef4444;
    --warning: #fbbf24;
    --bg-dark: #020617;
    --bg-card: #0f172a;
    --bg-input: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --border: #334155;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #0f172a 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Top Bar */
.topbar {
    background: rgba(2, 6, 23, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    height: 40px;
    object-fit: contain;
}

.menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.menu a {
    color: var(--secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 5px;
}

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

/* Cards */
.card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 12px rgba(0, 0, 0, 0.4);
}

.card h3 {
    margin-bottom: 20px;
    color: var(--text-primary);
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Dashboard Grid */
.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-box {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 25px;
    text-align: center;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.stat-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(34, 197, 94, 0.2);
    border-color: var(--primary);
}

.stat-box .value {
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-box .label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Progress Bar */
.progress-bar {
    height: 8px;
    background: var(--bg-input);
    border-radius: 4px;
    margin-top: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 4px;
    transition: width 0.5s ease;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-weight: 500;
}

input, select, textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 8px;
    background: var(--bg-input);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.3s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.1);
}

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

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.4);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-secondary {
    background: var(--bg-input);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.875rem;
}

.btn-icon {
    padding: 8px;
    border-radius: 6px;
}

/* Login Box */
.login-box {
    background: var(--bg-card);
    padding: 40px;
    border-radius: 20px;
    width: 100%;
    max-width: 400px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border);
}

.login-box .logo {
    width: 100px;
    margin-bottom: 20px;
}

.login-box h2 {
    margin-bottom: 30px;
    color: var(--text-primary);
}

.login-box input {
    margin-bottom: 15px;
}

.login-box button {
    width: 100%;
    margin-top: 10px;
}

/* Client Grid */
.client-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.client-card {
    background: var(--bg-input);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s;
}

.client-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.client-card.active {
    border-color: var(--primary);
}

.client-card.pending {
    border-color: var(--warning);
}

.client-card h4 {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.client-card .credentials {
    background: var(--bg-dark);
    padding: 10px;
    border-radius: 6px;
    margin: 10px 0;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--secondary);
}

.client-card .actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--primary);
}

.badge-warning {
    background: rgba(251, 191, 36, 0.2);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge-info {
    background: rgba(56, 189, 248, 0.2);
    color: var(--secondary);
}

/* Table */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

table th, table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

table th {
    background: var(--bg-input);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
}

table tr:hover {
    background: rgba(255, 255, 255, 0.05);
}

/* Search */
.search-box {
    position: relative;
    margin-bottom: 20px;
}

.search-box input {
    padding-left: 40px;
}

.search-box::before {
    content: "🔍";
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.2rem;
}

/* Messages */
.message {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.message-success {
    background: rgba(34, 197, 94, 0.2);
    border: 1px solid var(--primary);
    color: var(--primary);
}

.message-error {
    background: rgba(239, 68, 68, 0.2);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.message-warning {
    background: rgba(251, 191, 36, 0.2);
    border: 1px solid var(--warning);
    color: var(--warning);
}

/* Links */
.link {
    color: var(--secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.link:hover {
    color: var(--primary);
}

/* Responsive */
@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
    }

    .client-grid {
        grid-template-columns: 1fr;
    }

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

    .menu {
        flex-wrap: wrap;
        justify-content: center;
    }

    .stat-box .value {
        font-size: 2rem;
    }
}

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

.fade-in {
    animation: fadeIn 0.3s ease;
}

/* Loading */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toast Notifications */
.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 8px;
    color: white;
    font-weight: 500;
    z-index: 1000;
    animation: slideIn 0.3s ease;
}

.toast-success {
    background: var(--primary);
}

.toast-error {
    background: var(--danger);
}

.toast-warning {
    background: var(--warning);
}

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}