/* DayChecker - Zen Minimal Aesthetic */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;1,400&family=DM+Sans:wght@300;400;500&display=swap');

:root {
    --color-bg: #FAF9F7;
    --color-bg-warm: #F5F3EF;
    --color-ink: #2C2825;
    --color-ink-light: #6B6560;
    --color-ink-muted: #9B9590;
    --color-accent: #C4A77D;
    --color-accent-deep: #8B7355;
    --color-success: #7D9B7A;
    --color-warning: #D4A574;
    --color-danger: #C47D7D;
    --color-white: #FFFFFF;
    --color-border: #E8E4DF;
    --color-shadow: rgba(44, 40, 37, 0.08);
    
    --font-display: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'DM Sans', -apple-system, sans-serif;
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    
    --transition-fast: 0.15s ease;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg);
    color: var(--color-ink);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle background texture */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.03;
    pointer-events: none;
    z-index: -1;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    color: var(--color-ink-light);
}

a {
    color: var(--color-accent-deep);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-accent);
}

/* Layout */
.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 500px;
}

/* Navigation */
.nav {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-mark {
    width: 32px;
    height: 32px;
    background: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 0.875rem;
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-ink-light);
    font-size: 0.9375rem;
    font-weight: 400;
    position: relative;
    padding: 0.25rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width var(--transition-smooth);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--color-ink);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-smooth);
    text-decoration: none;
}

.btn-primary {
    background: var(--color-ink);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-ink-light);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--color-shadow);
}

.btn-secondary {
    background: var(--color-white);
    color: var(--color-ink);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg-warm);
    border-color: var(--color-ink-muted);
}

.btn-accent {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);
    color: var(--color-white);
}

.btn-accent:hover {
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(196, 167, 125, 0.3);
}

.btn-ghost {
    background: transparent;
    color: var(--color-ink-light);
    padding: 0.5rem 1rem;
}

.btn-ghost:hover {
    background: var(--color-bg-warm);
    color: var(--color-ink);
}

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1rem;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

.btn-danger:hover {
    color: var(--color-white);
    opacity: 0.9;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

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

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(196, 167, 125, 0.15);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-ink-muted);
}

.form-textarea {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
}

/* Cards */
.card {
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all var(--transition-smooth);
}

.card:hover {
    box-shadow: 0 12px 40px var(--color-shadow);
}

.card-header {
    margin-bottom: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    color: var(--color-ink-muted);
    font-size: 0.875rem;
}

/* Auth Pages */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header .logo {
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

.auth-header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    font-size: 0.9375rem;
}

.auth-card {
    padding: 2.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9375rem;
    color: var(--color-ink-light);
}

.auth-divider {
    display: flex;
    align-items: center;
    margin: 1.5rem 0;
    color: var(--color-ink-muted);
    font-size: 0.8125rem;
}

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

.auth-divider span {
    padding: 0 1rem;
}

/* Dashboard */
.dashboard {
    padding: 3rem 0;
}

.dashboard-header {
    margin-bottom: 3rem;
}

.greeting {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 0.5rem;
}

.greeting-date {
    color: var(--color-ink-muted);
    font-size: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 2rem;
    align-items: start;
}

@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
}

/* Check-in Card */
.checkin-card {
    padding: 2.5rem;
    text-align: center;
}

.checkin-status {
    margin-bottom: 2rem;
}

.checkin-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    animation: pulse-soft 2s ease-in-out infinite;
}

.checkin-icon.pending {
    background: linear-gradient(135deg, #FFF8F0 0%, #FFF0E0 100%);
    color: var(--color-warning);
}

.checkin-icon.done {
    background: linear-gradient(135deg, #F0FFF0 0%, #E0FFE0 100%);
    color: var(--color-success);
}

@keyframes pulse-soft {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.checkin-title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.checkin-subtitle {
    color: var(--color-ink-light);
}

.checkin-form {
    margin-top: 2rem;
}

.diary-input {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-ink);
    background: var(--color-bg-warm);
    border: none;
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-fast);
}

.diary-input:focus {
    outline: none;
    background: var(--color-white);
    box-shadow: 0 0 0 2px var(--color-accent);
}

.diary-input::placeholder {
    color: var(--color-ink-muted);
}

.checkin-btn {
    margin-top: 1.5rem;
    width: 100%;
}

/* Streak Counter */
.streak-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.streak-number {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-accent-deep);
}

.streak-label {
    text-align: left;
    font-size: 0.875rem;
    color: var(--color-ink-light);
}

.streak-label strong {
    display: block;
    font-size: 1rem;
    color: var(--color-ink);
}

/* Sidebar */
.sidebar-card {
    margin-bottom: 1.5rem;
}

.sidebar-card:last-child {
    margin-bottom: 0;
}

/* Recent Entries */
.entries-list {
    list-style: none;
}

.entry-item {
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.entry-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.entry-item:first-child {
    padding-top: 0;
}

.entry-date {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
    margin-bottom: 0.25rem;
}

.entry-message {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--color-ink);
    font-size: 1rem;
}

.entry-empty {
    color: var(--color-ink-muted);
    font-size: 0.875rem;
}

/* Premium Badge */
.premium-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.25rem 0.75rem;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Premium CTA */
.premium-cta {
    background: linear-gradient(135deg, #FFF8F0 0%, #FFF5EB 100%);
    border-color: var(--color-accent);
}

.premium-cta .card-title {
    color: var(--color-accent-deep);
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.75rem;
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
}

.status-badge.safe {
    background: #E8F5E8;
    color: var(--color-success);
}

.status-badge.warning {
    background: #FFF5E8;
    color: var(--color-warning);
}

.status-badge.danger {
    background: #FFE8E8;
    color: var(--color-danger);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

/* Settings Page */
.settings-section {
    margin-bottom: 3rem;
}

.settings-section:last-child {
    margin-bottom: 0;
}

.settings-title {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.settings-description {
    color: var(--color-ink-light);
    margin-bottom: 1.5rem;
}

/* Contact List */
.contact-list {
    list-style: none;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    background: var(--color-bg-warm);
    border-radius: var(--radius-md);
    margin-bottom: 0.75rem;
}

.contact-item:last-child {
    margin-bottom: 0;
}

.contact-info h4 {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 0.125rem;
}

.contact-info p {
    font-size: 0.8125rem;
}

.contact-actions {
    display: flex;
    gap: 0.5rem;
}

/* Pricing */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 600px) {
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}

.pricing-card {
    text-align: center;
    padding: 2.5rem 2rem;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--color-accent);
    box-shadow: 0 12px 40px rgba(196, 167, 125, 0.2);
}

.pricing-card.featured::before {
    content: 'Best Value';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.25rem 1rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.pricing-plan {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.pricing-price {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 500;
    color: var(--color-ink);
    margin-bottom: 0.25rem;
}

.pricing-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-ink-muted);
}

.pricing-billing {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
    margin-bottom: 2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9375rem;
    color: var(--color-ink-light);
}

.pricing-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-success);
    font-weight: 600;
}

/* Diary Page */
.diary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.diary-filters {
    display: flex;
    gap: 0.5rem;
}

.diary-grid {
    display: grid;
    gap: 1rem;
}

.diary-entry {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem;
}

.diary-entry-date {
    flex-shrink: 0;
    text-align: center;
    padding-right: 1.5rem;
    border-right: 1px solid var(--color-border);
}

.diary-entry-day {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-ink);
    line-height: 1;
}

.diary-entry-month {
    font-size: 0.75rem;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.diary-entry-content {
    flex: 1;
}

.diary-entry-time {
    font-size: 0.8125rem;
    color: var(--color-ink-muted);
    margin-bottom: 0.5rem;
}

.diary-entry-message {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-style: italic;
    color: var(--color-ink);
}

.diary-entry-empty {
    color: var(--color-ink-muted);
    font-style: normal;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-size: 0.9375rem;
}

.alert-success {
    background: #E8F5E8;
    color: #2D5A2D;
    border: 1px solid #C8E6C8;
}

.alert-error {
    background: #FFE8E8;
    color: #8B3A3A;
    border: 1px solid #F5C6C6;
}

.alert-warning {
    background: #FFF5E8;
    color: #8B5A2B;
    border: 1px solid #F5DFC6;
}

/* Calendar Mini */
.calendar-mini {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    color: var(--color-ink-muted);
}

.calendar-day.checked {
    background: var(--color-success);
    color: var(--color-white);
}

.calendar-day.today {
    border: 2px solid var(--color-accent);
    color: var(--color-ink);
}

.calendar-day.missed {
    background: var(--color-danger);
    color: var(--color-white);
}

/* Footer */
.footer {
    padding: 2rem 0;
    border-top: 1px solid var(--color-border);
    margin-top: 4rem;
    text-align: center;
    color: var(--color-ink-muted);
    font-size: 0.875rem;
}

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

.animate-fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.animate-delay-1 { animation-delay: 0.1s; opacity: 0; }
.animate-delay-2 { animation-delay: 0.2s; opacity: 0; }
.animate-delay-3 { animation-delay: 0.3s; opacity: 0; }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(44, 40, 37, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-smooth);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 100%;
    max-width: 480px;
    transform: scale(0.95);
    transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-ink-muted);
    cursor: pointer;
    padding: 0.25rem;
    line-height: 1;
}

.modal-close:hover {
    color: var(--color-ink);
}

/* Responsive */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    .greeting { font-size: 1.75rem; }
    
    .nav-links {
        gap: 1rem;
    }
    
    .card {
        padding: 1.5rem;
    }
    
    .auth-card {
        padding: 1.5rem;
    }
    
    .container {
        padding: 0 1rem;
    }
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--color-ink-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--color-ink-light);
    margin-bottom: 0.5rem;
}

/* Upgrade Banner */
.upgrade-banner {
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-deep) 100%);
    color: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.upgrade-banner p {
    color: rgba(255, 255, 255, 0.9);
}

.upgrade-banner .btn {
    background: var(--color-white);
    color: var(--color-accent-deep);
}

.upgrade-banner .btn:hover {
    background: var(--color-bg);
}