/* Auth Page Styles */
/* BREAKPOINTS STANDARDIZED (2025-06-30): 640px (sm), 768px (md), 1024px (lg), 1280px (xl) */

.login-page {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 1rem;
}

.login-container {
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--glass-shadow);
}

.login-container h1 {
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 1.75rem;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
}

.auth-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.auth-tab:hover {
    color: var(--text-primary);
}

.auth-tab.active {
    color: var(--neon-purple);
    border-bottom-color: var(--neon-purple);
    text-shadow: 0 0 20px var(--neon-purple);
}

/* Auth Forms */
.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-group input:focus {
    outline: none;
    border-color: var(--neon-purple);
    box-shadow: 0 0 0 3px rgba(191, 90, 242, 0.15);
}

/* Error Message */
.auth-error {
    color: var(--neon-pink);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-align: center;
    min-height: 1.25rem;
}

/* Full Width Button */
.btn-full {
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
}

/* Profile Page Specific */
.profile-page {
    min-height: 100vh;
    padding: 2rem;
}

.profile-container {
    max-width: 600px;
    margin: 0 auto;
}

.profile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.profile-header h1 {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.profile-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--neon-purple), var(--neon-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
}

.profile-card {
    background: var(--glass-bg);
    backdrop-filter: var(--blur);
    -webkit-backdrop-filter: var(--blur);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.profile-card h2 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.profile-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.profile-field {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border);
}

.profile-field:last-child {
    border-bottom: none;
}

.profile-field-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.profile-field-value {
    color: var(--text-primary);
    font-weight: 500;
}

.profile-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* Edit form within profile */
.edit-form {
    display: none;
}

.edit-form.active {
    display: block;
}

.view-mode.hidden {
    display: none;
}

/* Success message */
.auth-success {
    color: var(--neon-green);
    font-size: 0.875rem;
    margin-bottom: 1rem;
    text-align: center;
}

/* Back link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
}

.back-link:hover {
    color: var(--neon-purple);
}

/* About Me Page */
.about-card {
    text-align: center;
    padding: 2rem;
}

.about-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.about-header .profile-avatar {
    width: 80px;
    height: 80px;
    font-size: 2rem;
}

.about-welcome h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.about-welcome p {
    color: var(--text-muted);
}

.get-started {
    margin-top: 1.5rem;
}

/* Settings Page */
.settings-title {
    font-size: 1.25rem;
    color: var(--text-primary);
}

.danger-zone {
    border-color: rgba(255, 42, 109, 0.3);
}

.danger-zone h2 {
    color: var(--neon-pink);
}

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

/* Remember Me Checkbox */
.remember-me {
    margin-bottom: 1.5rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    height: 18px;
    width: 18px;
    accent-color: var(--neon-purple);
    cursor: pointer;
}

.checkbox-label:hover {
    color: var(--text-primary);
}

/* Responsive */
/* Breakpoints standardized: 640px (sm), 768px (md), 1024px (lg), 1280px (xl) */
@media (max-width: 640px) {
    .login-container {
        padding: 1.5rem;
    }
    
    .profile-container {
        padding: 1rem;
    }
}