/* --- Glassmorphism Login --- */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 60px);
    background: radial-gradient(circle at top right, rgba(37, 99, 235, 0.1) 0%, transparent 60%),
                radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1) 0%, transparent 60%);
    position: relative;
    overflow: hidden;
}

.login-card {
    background: rgba(30, 41, 59, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    border-radius: 24px;
    padding: 3rem 2.5rem;
    width: 100%;
    max-width: 420px;
    text-align: center;
    position: relative;
    z-index: 10;
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.login-logo {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
    animation: float 6s ease-in-out infinite;
}

.login-card h2 {
    font-size: 1.75rem;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 0.5rem;
    letter-spacing: -0.025em;
}

.login-card p {
    color: #94a3b8;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    line-height: 1.5;
}

.login-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.85rem;
    display: none;
    animation: fadeIn 0.3s ease;
}

.login-card .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: #cbd5e1;
    font-size: 0.875rem;
    font-weight: 500;
}

.login-card .form-group input {
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: #f8fafc;
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.login-card .form-group input:focus {
    background: rgba(15, 23, 42, 0.8);
    border-color: var(--primary-color, #3b82f6);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    outline: none;
}

.login-card .btn-primary {
    background: linear-gradient(135deg, var(--primary-color, #3b82f6) 0%, #1d4ed8 100%);
    border: none;
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.39);
    transition: all 0.3s ease;
    padding: 0.875rem 1.5rem;
    color: white;
    font-weight: 600;
    letter-spacing: 0.025em;
    border-radius: 12px;
    width: 100%;
    margin-top: 1rem;
    cursor: pointer;
}

.login-card .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}