/* ============================================
   Authentication Pages Styles
   ============================================ */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 24px;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 48px 40px;
    backdrop-filter: blur(20px);
    animation: cardFadeIn 0.6s ease;
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.signup-card {
    max-width: 480px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo {
    display: inline-block;
    margin-bottom: 24px;
}

.auth-logo .logo-icon {
    width: 56px;
    height: 56px;
}

.auth-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 8px;
}

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

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    width: 20px;
    height: 20px;
    color: var(--text-muted);
    pointer-events: none;
}

.input-wrapper input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.2s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: var(--primary-cyan);
    box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.15);
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

/* Password toggle */
.password-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.2s ease;
}

.password-toggle:hover {
    color: var(--text-primary);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

.password-toggle .eye-closed {
    display: none;
}

.password-toggle.active .eye-open {
    display: none;
}

.password-toggle.active .eye-closed {
    display: block;
}

/* Password strength */
.password-strength {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 8px;
}

.strength-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.strength-fill {
    height: 100%;
    width: 0%;
    border-radius: 2px;
    transition: width 0.3s ease, background 0.3s ease;
}

.strength-fill.weak { width: 33%; background: #ef4444; }
.strength-fill.medium { width: 66%; background: #f59e0b; }
.strength-fill.strong { width: 100%; background: #10b981; }

.strength-text {
    font-size: 0.75rem;
    color: var(--text-muted);
    min-width: 80px;
}

/* Form options */
.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.checkbox-wrapper input {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.checkbox-wrapper input:checked + .checkmark {
    background: var(--gradient-primary);
    border-color: transparent;
}

.checkbox-wrapper input:checked + .checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: 2px solid white;
    border-top: none;
    border-left: none;
    transform: rotate(45deg) translateY(-1px);
}

.checkbox-wrapper.terms {
    font-size: 0.8rem;
}

.checkbox-wrapper.terms a {
    color: var(--primary-cyan);
    text-decoration: none;
}

.checkbox-wrapper.terms a:hover {
    text-decoration: underline;
}

.forgot-link {
    font-size: 0.875rem;
    color: var(--primary-cyan);
    text-decoration: none;
    transition: color 0.2s ease;
}

.forgot-link:hover {
    color: var(--primary-purple);
}

/* Submit button */
.btn-full {
    width: 100%;
    justify-content: center;
    padding: 16px 24px;
    font-size: 1rem;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 8px 0;
}

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

.divider span {
    font-size: 0.8rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Social buttons */
.social-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-social:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-social svg {
    width: 20px;
    height: 20px;
}

/* Auth footer */
.auth-footer {
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 8px;
}

.auth-footer a {
    color: var(--primary-cyan);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Security badge */
.auth-security {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-security svg {
    width: 16px;
    height: 16px;
    color: #10b981;
}

/* Error states */
.input-wrapper.error input {
    border-color: #ef4444;
}

.input-wrapper.error + .error-message {
    display: block;
}

.error-message {
    display: none;
    color: #ef4444;
    font-size: 0.8rem;
    margin-top: 4px;
}

/* Loading state */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: 32px 24px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .social-buttons {
        grid-template-columns: 1fr;
    }

    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
}