:root {
    --bg-color: #F7F9FC;
    --card-bg: #FFFFFF;
    --card-border: #E0E0E0;
    --text-primary: #1A1A24;
    --text-secondary: #6E6E82;
    --accent-color: #0ba382; /* Better Neev brand teal */
    --danger-color: #d32f2f;
    --danger-hover: #b71c1c;
    --btn-google-bg: #ffffff;
    --btn-google-text: #3c4043;
    --btn-google-hover: #f8f9fa;
    --success-color: #4CAF50;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

.background-decor {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(11, 163, 130, 0.08) 0%, transparent 50%);
    z-index: 0;
    pointer-events: none;
}

.container {
    width: 100%;
    max-width: 480px;
    padding: 20px;
    z-index: 1;
}

.glass {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: relative;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 800; /* extrabold matching typography.weights.extrabold */
    color: var(--accent-color);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

h1 {
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.content {
    display: flex;
    flex-direction: column;
    gap: 24px;
    animation: fadeIn 0.4s ease-out;
}

.content p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    text-align: center;
}

/* Buttons */
.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 14px 20px;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-google {
    background-color: var(--btn-google-bg);
    color: var(--btn-google-text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    border: 1px solid #E0E0E0;
}

.btn-google:hover {
    background-color: var(--btn-google-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
    box-shadow: 0 4px 12px rgba(211, 47, 47, 0.2);
}

.btn-danger:hover {
    background-color: var(--danger-hover);
}

.btn-secondary {
    background-color: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--card-border);
}

.btn-secondary:hover {
    background-color: #F5F5F5;
    color: var(--text-primary);
}

/* Specific Sections */
.apple-notice {
    background-color: #F5F5F5;
    border-radius: 12px;
    padding: 16px;
    text-align: left;
    border-left: 4px solid var(--text-secondary);
}

.apple-notice strong {
    display: block;
    margin-bottom: 6px;
    font-size: 0.95rem;
    color: var(--text-primary);
}

.apple-notice p {
    text-align: left;
    font-size: 0.85rem;
    margin: 0;
}

.warning-box {
    background-color: #FFEBEE;
    border: 1px solid rgba(244, 67, 54, 0.2);
    border-radius: 12px;
    padding: 16px;
}

.warning-box strong {
    color: var(--danger-color);
    display: block;
    margin-bottom: 6px;
}

.user-info {
    text-align: center;
    padding: 12px;
    background: #F5F5F5;
    border-radius: 8px;
}

.user-info p {
    margin: 0;
    color: var(--text-primary);
}

/* Success */
.success-icon {
    width: 64px;
    height: 64px;
    background-color: #E8F5E9;
    color: var(--success-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 16px;
}

/* Loading Overlay */
#loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(4px);
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    z-index: 10;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid #E0E0E0;
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 16px;
}

#loading-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Utils */
.hidden {
    display: none !important;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Landing Page Styles */
.landing-container {
    max-width: 540px;
}

.app-logo {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    margin: 0 auto 16px;
    display: block;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.feature-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 8px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #F8F9FA;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid var(--card-border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.feature-icon {
    font-size: 24px;
    background: white;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.feature-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.feature-text strong {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.feature-text span {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px rgba(11, 163, 130, 0.2);
}

.btn-primary:hover {
    background-color: #098f71;
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(11, 163, 130, 0.25);
}

.footer-links {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--card-border);
    text-align: center;
    font-size: 0.85rem;
}

.footer-links p {
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.footer-links a {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 500;
}

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

.footer-links .links {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.footer-links .copyright {
    font-size: 0.75rem;
    color: #9E9E9E;
}

/* Responsive */
@media (max-width: 480px) {
    .glass {
        padding: 30px 20px;
        border-radius: 20px;
    }
}