:root {
    --primary-color: #00f2fe;
    --secondary-color: #4facfe;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --error-color: #ef4444;
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Ubuntu', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow-x: hidden;
}

.login-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
    z-index: 1;
}

.login-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: var(--shadow);
    text-align: center;
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.logo {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
    text-align: left;
    position: relative;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 8px;
    margin-left: 4px;
    transition: color 0.3s;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-size: 1rem;
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-wrapper input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 242, 254, 0.1);
    background: rgba(15, 23, 42, 0.8);
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    border-radius: 12px;
    color: #0f172a;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.4);
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(79, 172, 254, 0.6);
}

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

.error-msg {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-color);
    padding: 12px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 20px;
    border: 1px solid rgba(239, 68, 68, 0.2);
}
/* Dashboard Layout */
.dashboard-wrapper {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.sidebar {
    width: 260px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    padding: 20px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
    overflow: hidden;
}

/* Custom Scrollbar for Nav Menu */
.nav-menu::-webkit-scrollbar {
    width: 4px;
}

.nav-menu::-webkit-scrollbar-track {
    background: transparent;
}

.nav-menu::-webkit-scrollbar-thumb {
    background: rgba(79, 172, 254, 0.2);
    border-radius: 10px;
}

.nav-menu::-webkit-scrollbar-thumb:hover {
    background: var(--secondary-color);
}

.sidebar-header {
    padding: 20px 10px;
    margin-bottom: 30px;
}

.nav-menu {
    list-style: none;
    flex-grow: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 5px;
    scrollbar-width: thin;
    scrollbar-color: var(--secondary-color) transparent;
}

.nav-item {
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.3s;
}

.nav-link:hover, .nav-link.active {
    background: rgba(255, 255, 255, 0.05);
    color: var(--primary-color);
}

.nav-link i {
    margin-right: 12px;
    font-size: 1.2rem;
}

.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
}

.topbar {
    height: 70px;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 30px;
}

.content-body {
    padding: 30px;
    overflow-y: auto;
}

/* Shortcut Grid */
.shortcut-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 30px;
}

.shortcut-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 30px;
    text-align: center;
    text-decoration: none;
    color: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.shortcut-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.shortcut-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(79, 172, 254, 0.1));
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.shortcut-title {
    font-weight: 700;
    font-size: 1.1rem;
}

.shortcut-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* User Info */
.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0f172a;
    font-weight: 800;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 0;
        padding: 0;
        overflow: hidden;
        position: fixed;
        height: 100%;
        z-index: 100;
    }
    
    .sidebar.active {
        width: 260px;
        padding: 20px;
    }
    
    .shortcut-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Background elements */
.bg-blob {
    position: fixed;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    filter: blur(40px);
}

.blob-1 { top: -100px; right: -100px; }
.blob-2 { bottom: -150px; left: -100px; }

/* Responsive adjustments */
@media (max-width: 480px) {
    .login-card {
        padding: 30px 20px;
    }
}