/* Modern Authentication Styles */
:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --bg-gradient-start: #f8fafc;
    --bg-gradient-end: #e2e8f0;
    --card-bg: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(255, 255, 255, 0.5);
    --input-bg: #f8fafc;
    --input-border: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-wrapper {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(79, 70, 229, 0.05) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(6, 182, 212, 0.05) 0%, transparent 20%);
}

.auth-card {
    background: var(--card-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 1.5rem;
    box-shadow: 
        0 4px 6px -1px rgba(0, 0, 0, 0.05),
        0 10px 15px -3px rgba(0, 0, 0, 0.05),
        0 20px 25px -5px rgba(0, 0, 0, 0.02);
    width: 100%;
    max-width: 480px;
    padding: 2.5rem;
    transition: transform 0.3s ease;
}

.auth-brand {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-brand img {
    height: 48px;
    width: auto;
    margin-bottom: 1rem;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
    text-align: center;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: var(--text-muted);
    text-align: center;
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

/* Form Styles */
.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label {
    color: var(--primary-color);
    transform: scale(0.85) translateY(-0.75rem) translateX(0.15rem);
}

.form-control {
    background-color: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 0.75rem;
    padding: 1rem 1rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    background-color: white;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    padding: 0.8rem 1.5rem;
    font-weight: 600;
    border-radius: 0.75rem;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.2);
}

.auth-links {
    margin-top: 1.5rem;
    text-align: center;
    font-size: 0.9rem;
}

.auth-links a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.auth-links a:hover {
    color: var(--primary-hover);
    text-decoration: underline;
}

.auth-footer {
    text-align: center;
    margin-top: 3rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Social Login Buttons (if needed) */
.btn-social {
    background: white;
    color: var(--text-main);
    border: 1px solid var(--input-border);
    font-weight: 500;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
}

.btn-social:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}