/* ===== AUTHENTICATION PAGES STYLING 2025 ===== */

/* Auth Body */
.auth-body {
    font-family: var(--font-family);
    background: var(--gradient-multi);
    background-size: 400% 400%;
    min-height: 100vh;
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    animation: gradientShift 8s ease infinite;
}

/* Background Animation */
.auth-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.auth-gradient {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-multi);
    background-size: 400% 400%;
    animation: gradientShift 8s ease infinite;
    opacity: 0.8;
}

.auth-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.1) 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
    background-size: 50px 50px, 30px 30px;
    animation: float 20s ease-in-out infinite;
}

.auth-shapes {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    animation: float 6s ease-in-out infinite;
}

.shape-1 {
    width: 80px;
    height: 80px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 120px;
    height: 120px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.shape-3 {
    width: 60px;
    height: 60px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

/* Main Content */
.auth-main {
    position: relative;
    z-index: 2;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

/* Auth Container */
.auth-container {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl), 0 0 40px rgba(0, 0, 0, 0.1);
    padding: var(--space-2xl);
    width: 100%;
    max-width: 640px;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: transparent;
}

/* Brand Section */
.auth-brand {
    text-align: center;
    margin-bottom: var(--space-md);
}

.auth-brand-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-xs);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

.auth-brand-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.auth-brand-text h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--space-xs);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-brand-text span {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    font-weight: 500;
}

/* Form Styling */
.auth-form {
    margin-top: var(--space-sm);
}

.form-group {
    margin-bottom: var(--space-xs);
}

.form-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--space-xs);
    text-align: right;
}

.form-input {
    width: 100%;
    padding: var(--space-sm);
    border: 2px solid var(--gray-200);
    border-radius: 0;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-2px);
}

.form-input.error {
    border-color: var(--danger);
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

/* Input Icons */
.input-group {
    position: relative;
}

.input-group .form-input {
    padding-right: 3rem;
}

.input-group-icon {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: var(--font-size-lg);
    transition: var(--transition);
}

.form-input:focus + .input-group-icon {
    color: var(--primary);
}

/* Checkbox Styling */
.form-checkbox {
    display: flex;
    align-items: center;
    margin: var(--space-xs) 0;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-left: var(--space-sm);
    accent-color: var(--primary);
    cursor: pointer;
}

.form-checkbox label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    cursor: pointer;
    user-select: none;
}

/* Button Styling */
.auth-btn {
    width: 100%;
    padding: var(--space-sm) var(--space-xl);
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.auth-btn::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;
}

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

.auth-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.auth-btn:active {
    transform: translateY(-1px);
}

/* Error Messages */
.error-message {
    display: none !important;
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.2);
    color: var(--danger);
    padding: var(--space-sm);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-sm);
    text-align: center;
}

/* Links */
.auth-links {
    text-align: center;
    margin-top: var(--space-sm);
}

.auth-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: inline-block;
    margin: 0 var(--space-sm);
}

.auth-link:hover {
    color: var(--primary-dark);
    transform: translateY(-1px);
}

/* Divider */
.auth-divider {
    text-align: center;
    margin: var(--space-xs) 0;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gray-200);
}

.auth-divider span {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    padding: 0 var(--space-md);
    color: var(--gray-500);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

/* Social Login */
.social-login {
    margin-top: var(--space-sm);
}

.social-btn {
    width: 100%;
    padding: var(--space-sm);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-lg);
    background: rgba(255, 255, 255, 0.8);
    color: var(--gray-700);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.social-btn:hover {
    border-color: var(--primary);
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-container {
        margin: var(--space-md);
        padding: var(--space-xl);
    }

    .auth-brand-icon {
        width: 60px;
        height: 60px;
    }

    .auth-brand-icon i {
        font-size: 2rem;
    }

    .auth-brand-text h1 {
        font-size: var(--font-size-2xl);
    }
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Loading State */
.auth-btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.auth-btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid var(--white);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}