/* ===================================
   IDENTITY AUTHENTICATION STYLES
   Modern glassmorphism design
   =================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');
@import url('https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css');

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --error-color: #ff6b6b;
    --success-color: #51cf66;
}

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

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #7e22ce 100%);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* Animated gradient orbs background */
.auth-background {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    overflow: hidden;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
    animation: float 20s ease-in-out infinite;
}

.orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.4) 100%);
    top: -10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(245, 87, 108, 0.6) 0%, rgba(240, 147, 251, 0.3) 100%);
    bottom: -15%;
    right: -10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(79, 172, 254, 0.7) 0%, rgba(0, 242, 254, 0.3) 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(30px, -30px) scale(1.1);
    }
    50% {
        transform: translate(-20px, 20px) scale(0.9);
    }
    75% {
        transform: translate(20px, 30px) scale(1.05);
    }
}

/* Glassmorphism card */
.auth-card {
    position: relative;
    z-index: 10;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37),
                0 0 80px rgba(126, 34, 206, 0.2);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    animation: slideIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.auth-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, #ffffff 0%, #e0e7ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Form styles */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.form-group label i {
    margin-right: 0.5rem;
    opacity: 0.8;
}

.form-control {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.09);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    color: var(--text-primary);
    transition: all 0.3s ease;
    font-family: 'Inter', sans-serif;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.form-control:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.2);
}

.form-text {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Checkbox styles */
.form-check {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
}

.form-check-input {
    width: 18px;
    height: 18px;
    margin-right: 0.5rem;
    cursor: pointer;
    accent-color: #667eea;
}

.form-check-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    cursor: pointer;
    user-select: none;
}

/* Primary button */
.btn-primary {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: #ffffff;
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(102, 126, 234, 0.6);
}

.btn-primary:hover::before {
    left: 100%;
}

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

/* Validation errors */
.text-danger {
    color: var(--error-color);
    font-size: 0.85rem;
    margin-top: 0.4rem;
    display: block;
    animation: shake 0.3s ease;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

.validation-summary {
    background: rgba(255, 107, 107, 0.15);
    border: 1px solid rgba(255, 107, 107, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.validation-summary ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.validation-summary li {
    color: var(--error-color);
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.validation-summary li:last-child {
    margin-bottom: 0;
}

/* Footer */
.auth-footer {
    margin-top: 2rem;
    text-align: center;
}

.auth-footer p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.auth-footer a {
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: all 0.3s ease;
    position: relative;
}

.auth-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width 0.3s ease;
}

.auth-footer a:hover::after {
    width: 100%;
}

/* Responsive design */
@media (max-width: 768px) {
    .auth-card {
        padding: 2rem;
        margin: 1rem;
    }

    .auth-header h1 {
        font-size: 1.75rem;
    }

    .orb-1, .orb-2, .orb-3 {
        width: 250px;
        height: 250px;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-card {
        padding: 1.5rem;
    }

    .auth-header h1 {
        font-size: 1.5rem;
    }
}

/* Loading state */
.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

/* Success message */
.alert-success {
    background: rgba(81, 207, 102, 0.15);
    border: 1px solid rgba(81, 207, 102, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    color: var(--success-color);
    font-size: 0.95rem;
}