/* Auth Page Styles - Dark Theme Matching Marketing Pages */
/* PodaBio - Dark theme with Signal Green accents */

:root {
    /* Brand Colors */
    --poda-bg-primary: #121212;
    --poda-bg-secondary: #1a1a1a;
    --poda-bg-tertiary: #0f0f0f;
    --poda-accent-signal-green: #00FF7F;
    --poda-accent-signal-green-hover: #00E670;
    --poda-text-primary: #FFFFFF;
    --poda-text-secondary: #8E8E93;
    --poda-text-muted: rgba(255, 255, 255, 0.5);
    --poda-border-subtle: rgba(255, 255, 255, 0.1);
    --poda-border-strong: rgba(255, 255, 255, 0.2);
    
    /* Typography */
    --poda-font-heading: 'Zalando Sans Expanded', -apple-system, BlinkMacSystemFont, sans-serif;
    --poda-font-body: 'Space Mono', 'Courier New', monospace;
}

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

body {
    background: var(--poda-bg-primary);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    font-family: var(--poda-font-body);
    color: var(--poda-text-primary);
    position: relative;
}

/* Subtle background gradient */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 50% 50%, rgba(0, 255, 127, 0.03) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.auth-container {
    width: 100%;
    max-width: 440px;
    position: relative;
    z-index: 1;
}

.auth-box {
    background: rgba(26, 26, 26, 0.7);
    border: 1px solid var(--poda-border-subtle);
    border-radius: 16px;
    padding: 3rem 2.5rem;
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.4),
        0 0 50px rgba(0, 255, 127, 0.15);
    backdrop-filter: blur(10px) saturate(180%);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo-link {
    display: inline-block;
    text-decoration: none;
    transition: transform 0.2s;
}

.auth-logo-link:hover {
    transform: scale(1.05);
}

.auth-logo-image {
    height: 90px;
    width: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 0 8px rgba(0, 255, 127, 0.4));
    transition: filter 0.2s;
}

.auth-logo-link:hover .auth-logo-image {
    filter: drop-shadow(0 0 12px rgba(0, 255, 127, 0.6));
}

.auth-logo-icon {
    width: 56px;
    height: 56px;
    background: var(--poda-accent-signal-green);
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--poda-bg-primary);
    font-size: 1.75rem;
    margin-bottom: 1rem;
    box-shadow: 0 4px 12px rgba(0, 255, 127, 0.3);
    transition: box-shadow 0.2s;
}

.auth-logo-link:hover .auth-logo-icon {
    box-shadow: 0 6px 16px rgba(0, 255, 127, 0.5);
}

.auth-box h1 {
    font-family: var(--poda-font-heading);
    font-size: 1.875rem;
    font-weight: 800;
    font-variation-settings: 'wdth' 100;
    color: var(--poda-text-primary);
    margin: 0 0 0.5rem 0;
    text-align: center;
}

.auth-subtitle {
    text-align: center;
    color: var(--poda-text-secondary);
    font-size: 0.875rem;
    margin-bottom: 2rem;
    font-family: var(--poda-font-body);
}

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

.auth-box .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--poda-text-primary);
    font-size: 0.875rem;
    font-family: var(--poda-font-body);
}

.auth-box .form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid var(--poda-border-subtle);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s;
    font-family: var(--poda-font-body);
    background: var(--poda-bg-primary);
    color: var(--poda-text-primary);
}

.auth-box .form-group input:focus {
    outline: none;
    border-color: var(--poda-accent-signal-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 127, 0.1);
}

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

.auth-box .form-group small {
    display: block;
    margin-top: 0.5rem;
    color: var(--poda-text-secondary);
    font-size: 0.75rem;
    font-family: var(--poda-font-body);
}

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

.password-input-wrapper input {
    padding-right: 3rem;
}

.username-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    border: 2px solid var(--poda-border-subtle);
    border-radius: 8px;
    background: var(--poda-bg-primary);
    transition: all 0.2s;
}

.username-input-wrapper:focus-within {
    border-color: var(--poda-accent-signal-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 127, 0.1);
}

.username-prefix {
    color: var(--poda-text-secondary);
    font-size: 0.875rem;
    padding: 0.875rem 0 0.875rem 1rem;
    white-space: nowrap;
    font-family: var(--poda-font-body);
}

.username-input-wrapper input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 0.875rem 1rem;
    padding-right: 3rem;
    color: var(--poda-text-primary);
    font-size: 1rem;
    font-family: var(--poda-font-body);
    outline: none;
}

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

.username-status {
    position: absolute;
    right: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    width: 20px;
    height: 20px;
}

.username-status .icon-check {
    color: var(--poda-accent-signal-green);
    font-size: 1rem;
}

.username-status .icon-close {
    color: #ff4444;
    font-size: 1rem;
}

.username-input-wrapper.available {
    border-color: var(--poda-accent-signal-green);
}

.username-input-wrapper.unavailable {
    border-color: #ff4444;
}

.username-input-wrapper.checking {
    border-color: var(--poda-text-secondary);
}

.optional {
    color: var(--poda-text-muted);
    font-weight: 400;
    font-size: 0.875rem;
}

.password-toggle {
    position: absolute;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--poda-text-secondary);
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 2.5rem;
    width: 2.5rem;
    padding: 0;
    transition: color 0.2s;
}

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

.password-toggle:focus-visible {
    outline: 2px solid var(--poda-accent-signal-green);
    outline-offset: 2px;
    border-radius: 4px;
}

.password-toggle[aria-pressed="true"] {
    color: var(--poda-accent-signal-green);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.form-group-link {
    text-align: right;
    margin-bottom: 1.5rem;
}

.forgot-password {
    color: var(--poda-accent-signal-green);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 600;
    transition: color 0.2s;
    font-family: var(--poda-font-body);
}

.forgot-password:hover {
    color: var(--poda-accent-signal-green-hover);
    text-decoration: underline;
}

.auth-box .btn {
    width: 100%;
    padding: 0.875rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: var(--poda-font-body);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.auth-box .btn-primary {
    background: var(--poda-accent-signal-green);
    color: var(--poda-bg-primary);
}

.auth-box .btn-primary:hover {
    background: var(--poda-accent-signal-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 0 16px rgba(0, 255, 127, 0.5);
}

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

.auth-divider {
    position: relative;
    text-align: center;
    margin: 2rem 0;
}

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

.auth-divider span {
    position: relative;
    background: rgba(26, 26, 26, 0.7);
    padding: 0 1rem;
    color: var(--poda-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    font-family: var(--poda-font-body);
}

.auth-box .btn-google {
    background: transparent;
    color: var(--poda-text-primary);
    border: 2px solid var(--poda-border-subtle);
    gap: 0.75rem;
}

.auth-box .btn-google:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--poda-accent-signal-green);
    box-shadow: 0 0 16px rgba(0, 255, 127, 0.2);
}

.auth-box .btn-google svg {
    flex-shrink: 0;
}

.auth-footer {
    text-align: center;
    margin-top: 2rem;
    color: var(--poda-text-secondary);
    font-size: 0.875rem;
    font-family: var(--poda-font-body);
}

.auth-footer a {
    color: var(--poda-accent-signal-green);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.auth-footer a:hover {
    color: var(--poda-accent-signal-green-hover);
    text-decoration: underline;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.3);
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--poda-font-body);
}

.alert-error::before {
    content: '⚠';
    font-size: 1rem;
}

.alert-success {
    background: rgba(0, 255, 127, 0.1);
    color: var(--poda-accent-signal-green);
    border: 1px solid rgba(0, 255, 127, 0.3);
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--poda-font-body);
}

.alert-success::before {
    content: '✓';
    font-size: 1rem;
}

.alert-info {
    background: rgba(0, 255, 127, 0.1);
    color: var(--poda-accent-signal-green);
    border: 1px solid rgba(0, 255, 127, 0.3);
    padding: 0.875rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    font-family: var(--poda-font-body);
}

.redirect-note {
    color: var(--poda-text-secondary);
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.redirect-note::before {
    content: '';
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--poda-accent-signal-green);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

@media (max-width: 480px) {
    .auth-box {
        padding: 2.5rem 1.5rem;
    }
    
    .auth-box h1 {
        font-size: 1.625rem;
    }
    
    .auth-logo-icon {
        width: 48px;
        height: 48px;
        font-size: 1.5rem;
    }
}