/**
 * Noiseworks - Auth Pages Styles
 */

/* ============================================
   CSS VARIABLES (shared with landing)
   ============================================ */

:root {
    --color-bg: #0a0a0b;
    --color-bg-elevated: #111113;
    --color-bg-card: #18181b;
    --color-bg-input: #1f1f23;
    --color-border: #27272a;
    --color-border-light: #3f3f46;
    --color-border-focus: #52525b;

    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;

    --color-primary: #10b981;
    --color-primary-dark: #059669;
    --color-primary-light: #34d399;

    --color-error: #ef4444;
    --color-error-bg: rgba(239, 68, 68, 0.1);

    --color-success: #22c55e;
    --color-success-bg: rgba(34, 197, 94, 0.1);

    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* ============================================
   RESET & BASE
   ============================================ */

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

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--color-primary);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ============================================
   AUTH LAYOUT
   ============================================ */

.auth-page {
    display: flex;
    flex: 1;
    min-height: 100vh;
}

.auth-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 48px;
}

.auth-right {
    flex: 1;
    background: var(--color-bg-elevated);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 48px;
    position: relative;
    overflow: hidden;
}

.auth-right::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 30% 50%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
}

.auth-visual {
    position: relative;
    z-index: 1;
    text-align: center;
}

.auth-visual-icon {
    font-size: 120px;
    margin-bottom: 32px;
    opacity: 0.8;
}

.auth-visual h2 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 16px;
}

.auth-visual p {
    color: var(--color-text-secondary);
    font-size: 16px;
    max-width: 320px;
}

/* ============================================
   AUTH CARD
   ============================================ */

.auth-card {
    width: 100%;
    max-width: 400px;
}

.auth-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 40px;
    font-family: 'Baumans', sans-serif;
    font-size: 22px;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: 0.5px;
}

.auth-logo:hover {
    text-decoration: none;
}

.auth-logo .logo-icon {
    font-size: 28px;
    color: var(--color-primary);
}

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

.auth-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 8px;
}

.auth-header p {
    color: var(--color-text-secondary);
    font-size: 15px;
}

/* ============================================
   FORM STYLES
   ============================================ */

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-size: 15px;
    font-family: inherit;
    transition: all 0.2s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

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

.form-input.error {
    border-color: var(--color-error);
}

.form-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-checkbox span {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.form-link {
    font-size: 14px;
    color: var(--color-primary);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 500;
    font-family: inherit;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--color-primary);
    color: #000;
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-light);
}

.btn-block {
    width: 100%;
}

.btn-oauth {
    background: var(--color-bg-input);
    border: 1px solid var(--color-border);
    color: var(--color-text);
}

.btn-oauth:hover {
    background: var(--color-bg-card);
    border-color: var(--color-border-light);
}

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

/* ============================================
   DIVIDER
   ============================================ */

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

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

.auth-divider span {
    font-size: 13px;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   OAUTH BUTTONS
   ============================================ */

.oauth-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ============================================
   MESSAGES
   ============================================ */

.auth-message {
    padding: 14px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    display: none;
}

.auth-message.show {
    display: block;
}

.auth-message.error {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.auth-message.success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

/* ============================================
   FOOTER LINKS
   ============================================ */

.auth-footer {
    margin-top: 32px;
    text-align: center;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.auth-footer a {
    color: var(--color-primary);
    font-weight: 500;
}

/* ============================================
   PLAN INDICATOR
   ============================================ */

.plan-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
}

.plan-label {
    color: var(--color-text-secondary);
    font-size: 13px;
}

.plan-name {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 14px;
}

/* ============================================
   PASSWORD STRENGTH
   ============================================ */

.password-strength {
    display: flex;
    gap: 4px;
    margin-top: 8px;
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    transition: background 0.2s ease;
}

.password-strength-bar.active {
    background: var(--color-error);
}

.password-strength-bar.active.medium {
    background: #f59e0b;
}

.password-strength-bar.active.strong {
    background: var(--color-success);
}

/* ============================================
   LOADING SPINNER
   ============================================ */

.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 900px) {
    .auth-right {
        display: none;
    }

    .auth-left {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .auth-card {
        padding: 0 16px;
    }

    .auth-header h1 {
        font-size: 24px;
    }
}