/* 
 * Authentication Pages Styles
 * Handles Login, Register, Forgot Password, and Reset Password
 * version: 2.0 (2026 Modern Redesign)
 */

body.auth-page {
    background-color: var(--background-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(67, 97, 238, 0.1) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(247, 37, 133, 0.05) 0px, transparent 50%);
    background-attachment: fixed;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-container {
    max-width: 480px;
    width: 100%;
    margin: 4rem auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

/* Card Styling */
.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.auth-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(67, 97, 238, 0.15);
}

/* Header Section */
.auth-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    padding: 2.5rem 2rem;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

/* Decorative shapes in header */
.auth-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 60%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0;
    position: relative;
    z-index: 2;
    font-family: var(--font-headings);
}

.auth-subtitle {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-top: 0.5rem;
    position: relative;
    z-index: 2;
}

/* Body Section */
.auth-body {
    padding: 2.5rem 2rem;
}

/* Form Elements */
.form-label {
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.input-group {
    box-shadow: var(--shadow-sm);
    border-radius: var(--input-border-radius);
    transition: var(--transition-fast);
}

.input-group:focus-within {
    box-shadow: var(--input-focus-shadow);
}

.input-group-text {
    background-color: var(--input-bg);
    border-color: var(--input-border);
    color: var(--text-light);
    border-left: none; /* RTL specific */
    padding-left: 1.25rem;
}

.form-control {
    border-color: var(--input-border);
    padding: var(--input-padding-y) var(--input-padding-x);
    font-size: 1rem;
    border-right: none; /* RTL specific */
}

/* Fix for standard Bootstrap RTL input group borders */
.input-group > .form-control:not(:first-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.input-group > .input-group-text:first-child {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    border-top-right-radius: var(--input-border-radius);
    border-bottom-right-radius: var(--input-border-radius);
}

.form-control:focus {
    box-shadow: none;
    border-color: var(--input-focus-border);
}

.input-group:focus-within .input-group-text {
    border-color: var(--input-focus-border);
    color: var(--primary-color);
}

/* Submit Button */
.btn-submit {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.8rem 1.5rem;
    transition: var(--transition-base);
    letter-spacing: 0.5px;
    box-shadow: 0 4px 12px rgba(67, 97, 238, 0.25);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(67, 97, 238, 0.35);
    color: white;
}

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

/* Footer Section */
.auth-footer {
    background: var(--background-color);
    padding: 1.5rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.auth-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-link:hover {
    color: var(--secondary-color);
    text-decoration: none;
}

/* Password Strength & Validation Styles */
.password-strength {
    height: 4px;
    background: var(--border-color);
    margin-top: 0.5rem;
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition-base);
}

.strength-bar {
    height: 100%;
    width: 0;
    transition: width 0.3s ease, background-color 0.3s ease;
}

/* Utilities */
.text-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.text-divider::before,
.text-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.text-divider span {
    padding: 0 1rem;
}

/* Animations */
@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-enter {
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 576px) {
    .auth-container {
        margin: 2rem auto;
    }
    
    .auth-card {
        border-radius: var(--border-radius-lg);
    }
}