:root {
    --bg-color: #0f172a;
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --danger: #ef4444;
    --success: #10b981;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: 
        radial-gradient(at 0% 0%, rgba(59, 130, 246, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(139, 92, 246, 0.15) 0px, transparent 50%);
    background-attachment: fixed;
}

/* Glassmorphism utilities */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Layout */
.app-container {
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Login Page */
.login-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 3rem;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-header h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #60a5fa, #a78bfa);
    -webkit-background-clip: text;
    color: transparent;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Form Elements */
.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

.input-wrapper {
    position: relative;
}

input[type="text"],
input[type="password"] {
    width: 100%;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

.btn-primary {
    width: 100%;
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.875rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

/* Dashboard & Admin */
.dashboard-wrapper {
    padding: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    backdrop-filter: blur(12px);
    margin-bottom: 2rem;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
}

.brand span {
    color: var(--primary-color);
}

.badge {
    background: linear-gradient(to right, #f59e0b, #ef4444);
    font-size: 0.7rem;
    padding: 0.2rem 0.5rem;
    border-radius: 99px;
    vertical-align: super;
}

.user-controls {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--text-main);
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.welcome-card {
    padding: 3rem;
    text-align: center;
}

.welcome-card h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.welcome-card p {
    color: var(--text-muted);
    font-size: 1.1rem;
}

.admin-panel {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(30, 41, 59, 0.8);
}

/* Toasts */
.toast-container {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    z-index: 50;
}

.toast {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    color: var(--text-main);
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transition: opacity 0.3s ease;
}

.toast-danger {
    border-left: 4px solid var(--danger);
}

.toast-success {
    border-left: 4px solid var(--success);
}

.toast-info {
    border-left: 4px solid var(--primary-color);
}

/* Animations */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* App Layout (Sidebar + Content) */
.app-layout {
    display: flex;
    flex: 1;
    height: 100vh;
    overflow: hidden;
}

.sidebar {
    width: 260px;
    display: flex;
    flex-direction: column;
    border-radius: 0;
    border-top: none;
    border-bottom: none;
    border-left: none;
    padding: 1.5rem;
    z-index: 10;
}

.sidebar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

.sidebar-brand span {
    color: var(--primary-color);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex: 1;
}

.nav-item {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-item:hover, .nav-item.active {
    background: rgba(59, 130, 246, 0.1);
    color: var(--primary-color);
}

.sidebar-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.user-info {
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.logout-btn {
    display: block;
    text-align: center;
    width: 100%;
}

.main-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

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

.text-center {
    text-align: center;
}

.fw-500 {
    font-weight: 500;
}

/* Glass Table */
.table-container {
    overflow-x: auto;
}

.glass-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.glass-table th,
.glass-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.glass-table th {
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.glass-table tbody tr {
    transition: background-color 0.2s ease;
}

.glass-table tbody tr:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

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

.badge-registro {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-family: monospace;
}