/* Stillalive - Clean & Simple Design */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap');

:root {
    --color-bg: #0a0a0f;
    --color-surface: #1a1a24;
    --color-card: #1e1e28;
    --color-ink: #ffffff;
    --color-ink-light: #a0a0b0;
    --color-ink-muted: #606070;
    --color-primary: #39ff14;
    --color-primary-light: #7fff5c;
    --color-primary-glow: rgba(57, 255, 20, 0.4);
    --color-accent: #39ff14;
    --color-accent-light: #7fff5c;
    --color-success: #39ff14;
    --color-warning: #ffc048;
    --color-danger: #ff6b6b;

    --font-main: 'Space Grotesk', -apple-system, sans-serif;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: 0.3s ease;
}

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

html {
    font-size: 18px;
}

body {
    font-family: var(--font-main);
    background: var(--color-bg);
    color: var(--color-ink);
    min-height: 100vh;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ============================================
   TYPOGRAPHY - BIG & BOLD
   ============================================ */
h1, h2, h3, h4 {
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

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

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

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

/* ============================================
   LAYOUT
   ============================================ */
.container {
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.page-center {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 2rem;
    padding-top: 4rem;
    text-align: center;
}

/* ============================================
   LOGO
   ============================================ */
.logo {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-ink);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.logo-mark {
    width: 48px;
    height: 48px;
    background: var(--color-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

/* ============================================
   CALENDAR GRID
   ============================================ */
.calendar-section {
    margin: 3rem 0;
}

.calendar-header {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-ink-light);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.calendar-weekday {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.5rem;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: var(--color-surface);
    color: var(--color-ink-muted);
    transition: var(--transition);
}

.calendar-day.other-month {
    opacity: 0.3;
}

.calendar-day.has-checkin {
    background: var(--color-success);
    color: var(--color-bg);
}

.calendar-day.today {
    background: var(--color-accent);
    color: var(--color-ink);
    cursor: pointer;
    font-size: 1.5rem;
    font-weight: 700;
    animation: pulse-glow 2s ease-in-out infinite;
    position: relative;
}

.calendar-day.today:hover {
    transform: scale(1.1);
    box-shadow: 0 0 40px var(--color-primary-glow);
}

.calendar-day.today.checked {
    background: var(--color-success);
    animation: none;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(57, 255, 20, 0.5);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 40px rgba(57, 255, 20, 0.8);
        transform: scale(1.05);
    }
}

/* ============================================
   CLICK PROMPT
   ============================================ */
.click-prompt {
    margin-top: 2rem;
    font-size: 1.25rem;
    color: var(--color-ink-light);
    animation: fade-pulse 2s ease-in-out infinite;
}

@keyframes fade-pulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ============================================
   CARDS
   ============================================ */
.card {
    background: var(--color-card);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    max-width: 480px;
    animation: slide-up 0.5s ease;
}

@keyframes slide-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
    margin-bottom: 1.5rem;
    text-align: left;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-ink-light);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-ink);
    background: #2a2a38;
    border: 2px solid #3a3a4a;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    background: #2a2a38;
    box-shadow: 0 0 20px var(--color-primary-glow);
}

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

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-ink-muted);
    margin-top: 0.5rem;
}

.char-count {
    text-align: right;
    font-size: 0.8rem;
    color: var(--color-ink-muted);
    margin-top: 0.5rem;
}

.char-count.over {
    color: var(--color-danger);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-family: var(--font-main);
    font-size: 1.1rem;
    font-weight: 700;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-2px);
}

.btn-success {
    background: var(--color-success);
    color: var(--color-bg);
}

.btn-success:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
    width: 100%;
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-ink);
    border: 2px solid var(--color-ink-muted);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

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

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

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

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

/* ============================================
   SUCCESS / CONGRATS
   ============================================ */
.congrats {
    text-align: center;
    animation: zoom-in 0.5s ease;
}

@keyframes zoom-in {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.congrats-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: bounce 0.6s ease;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.congrats h1 {
    color: var(--color-success);
    margin-bottom: 0.5rem;
}

.streak-display {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
}

.streak-number {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.streak-label {
    font-size: 1rem;
    color: var(--color-ink-light);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* ============================================
   EMAIL SENT STATE
   ============================================ */
.email-sent {
    text-align: center;
}

.email-sent-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

/* ============================================
   CONSENT BOX
   ============================================ */
.consent-box {
    background: var(--color-surface);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin: 1.5rem 0;
    text-align: left;
}

.consent-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    font-size: 0.9rem;
    color: var(--color-ink-light);
}

.consent-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-accent);
}

/* ============================================
   ALERTS
   ============================================ */
.alert {
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.alert-success {
    background: rgba(0, 210, 106, 0.15);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.alert-error {
    background: rgba(255, 107, 107, 0.15);
    color: var(--color-danger);
    border: 1px solid var(--color-danger);
}

.alert-info {
    background: rgba(108, 92, 231, 0.15);
    color: var(--color-accent-light);
    border: 1px solid var(--color-accent);
}

/* ============================================
   NAVIGATION (for logged in pages)
   ============================================ */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 1rem 0;
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-surface);
}

.nav-inner {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav .logo {
    font-size: 1.25rem;
    margin-bottom: 0;
}

.nav .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 1.1rem;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--color-ink-light);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--color-ink);
    background: var(--color-surface);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    margin-top: auto;
    padding: 2rem;
    text-align: center;
    color: var(--color-ink-muted);
    font-size: 0.85rem;
}

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

.auth-container {
    width: 100%;
    max-width: 480px;
}

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

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

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

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

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

/* ============================================
   DASHBOARD
   ============================================ */
.dashboard {
    min-height: 100vh;
    padding: 5rem 1.5rem 2rem;
}

.dashboard-header {
    text-align: center;
    margin-bottom: 2rem;
}

.greeting {
    font-size: 2rem;
    margin-bottom: 0.25rem;
}

.greeting-date {
    color: var(--color-ink-light);
}

.dashboard-grid {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 1.5rem;
    align-items: start;
}

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

/* ============================================
   CHECKIN CARD (Dashboard)
   ============================================ */
.checkin-card {
    text-align: center;
    padding: 2.5rem;
}

.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;
}

.checkin-icon.pending {
    background: var(--color-surface);
    color: var(--color-warning);
}

.checkin-icon.done {
    background: var(--color-success);
    color: var(--color-bg);
}

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

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

.checkin-form {
    margin-top: 1.5rem;
}

.diary-input {
    width: 100%;
    padding: 1rem;
    font-family: var(--font-main);
    font-size: 1rem;
    color: var(--color-ink);
    background: var(--color-surface);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition);
}

.diary-input:focus {
    outline: none;
    border-color: var(--color-accent);
}

.checkin-btn {
    margin-top: 1rem;
    width: 100%;
}

/* ============================================
   SIDEBAR CARDS
   ============================================ */
.sidebar-card {
    margin-bottom: 1rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-subtitle {
    font-size: 0.85rem;
    color: var(--color-accent-light);
}

/* ============================================
   ENTRIES
   ============================================ */
.entries-list {
    list-style: none;
}

.entry-item {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-surface);
}

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

.entry-date {
    font-size: 0.75rem;
    color: var(--color-accent-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.entry-message {
    color: var(--color-ink);
    margin-top: 0.25rem;
}

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

/* ============================================
   STATUS BADGES
   ============================================ */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge.safe {
    background: rgba(0, 210, 106, 0.15);
    color: var(--color-success);
}

.status-badge.warning {
    background: rgba(255, 192, 72, 0.15);
    color: var(--color-warning);
}

.status-badge.danger {
    background: rgba(255, 107, 107, 0.15);
    color: var(--color-danger);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: currentColor;
    animation: blink 1s ease-in-out infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

/* ============================================
   PREMIUM
   ============================================ */
.premium-badge {
    display: inline-flex;
    padding: 0.25rem 0.75rem;
    background: var(--color-accent);
    color: var(--color-ink);
    font-size: 0.7rem;
    font-weight: 700;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.premium-cta {
    border: 2px solid var(--color-accent);
}

.upgrade-banner {
    background: var(--color-accent);
    color: var(--color-ink);
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.5rem;
}

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

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

/* ============================================
   SETTINGS
   ============================================ */
.settings-section {
    margin-bottom: 1.5rem;
}

.settings-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.settings-description {
    color: var(--color-ink-light);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.contact-list {
    list-style: none;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem;
    background: var(--color-surface);
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
}

.contact-info h4 {
    font-size: 0.95rem;
    margin-bottom: 0.125rem;
}

.contact-info p {
    font-size: 0.8rem;
    color: var(--color-ink-light);
}

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

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

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

.pricing-card.featured {
    border: 2px solid var(--color-accent);
}

.pricing-plan {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-ink-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.pricing-price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

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

.pricing-billing {
    font-size: 0.85rem;
    color: var(--color-ink-muted);
    margin-bottom: 1.5rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 1.5rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.9rem;
    color: var(--color-ink-light);
}

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

/* ============================================
   DIARY PAGE
   ============================================ */
.diary-header {
    margin-bottom: 2rem;
}

.diary-header h1 {
    margin-bottom: 0.25rem;
}

.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: 2px solid var(--color-accent);
}

.diary-entry-day {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.diary-entry-month {
    font-size: 0.7rem;
    color: var(--color-ink-muted);
    text-transform: uppercase;
}

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

.diary-entry-time {
    font-size: 0.8rem;
    color: var(--color-ink-muted);
    margin-bottom: 0.5rem;
}

.diary-entry-message {
    font-size: 1.1rem;
}

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

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
}

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

.empty-state h3 {
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--color-ink-muted);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
    html {
        font-size: 16px;
    }

    h1 { font-size: 2.5rem; }

    .calendar-day {
        font-size: 1rem;
    }

    .calendar-day.today {
        font-size: 1.25rem;
    }

    .nav-links a {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* ============================================
   UTILITIES
   ============================================ */
.text-center { text-align: center; }
.text-muted { color: var(--color-ink-muted); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }