/* Typography: Neue Haas Grotesk / Inter fallback */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg: #ffffff;
    --bg-rgb: 255, 255, 255;
    --fg: #000000;
    --fg-rgb: 0, 0, 0;
    --fg-muted: #666666;
    --card-bg: #f5f5f5;
    --accent: #000000;
    --radius-lg: 32px;
    --radius-md: 20px;
    --radius-sm: 12px;
    --font: 'Neue Haas Grotesk Display Pro', 'Neue Haas Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #000000;
        --bg-rgb: 0, 0, 0;
        --fg: #ffffff;
        --fg-rgb: 255, 255, 255;
        --fg-muted: #999999;
        --card-bg: #1a1a1a;
        --accent: #ffffff;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    line-height: 1.5;
    overflow-x: hidden;
    transition: var(--transition-smooth);
}

.container {
    max-width: 500px;
    margin: 0 auto;
    padding: 2rem 1.5rem 10rem; /* Added large bottom padding for scrolling past floating menu */
}

header {
    margin-bottom: 3rem;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

h1 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 0.5rem;
}

.date-today {
    color: var(--fg-muted);
    font-size: 1.1rem;
    font-weight: 300;
}

.sleep-prompt {
    background: var(--fg);
    color: var(--bg);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: slideUp 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.sleep-prompt p {
    font-size: 1.1rem;
    font-weight: 500;
    margin: 0;
}

.sleep-actions {
    display: flex;
    gap: 0.8rem;
}

.ritual-actions {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    width: 100%;
    max-width: 320px;
    margin: 2rem auto 0;
}

.btn-vip {
    width: 100%;
    padding: 1.2rem;
    background: #0a0a0a;
    color: #ffffff;
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.btn-vip:hover {
    transform: translateY(-2px);
    background: #000000;
    border-color: rgba(255,255,255,0.3);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.btn-vip:active {
    transform: translateY(1px) scale(0.98);
}

.btn-spotify-vip {
    background: #ffffff;
    color: #000000;
    border: 1px solid rgba(0,0,0,0.05);
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

.btn-spotify-vip:hover {
    background: #fafafa;
    border-color: rgba(0,0,0,0.1);
}

.btn-spotify {
    background: var(--bg);
    color: var(--fg);
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-sleep {
    background: var(--bg);
    color: var(--fg);
    border: none;
    padding: 0.8rem 1.2rem;
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-sleep:active {
    transform: scale(0.95);
}

/* Habit List */
.habit-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.habit-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    /* Spring Curve */
    animation: fadeIn 0.6s ease-out both;
    position: relative;
    border: 1px solid rgba(var(--fg-rgb), 0.03);
    cursor: pointer;
}

.habit-card:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
}

.habit-card:active {
    transform: scale(0.98);
}

.habit-icon-badge {
    width: 44px;
    height: 44px;
    background: var(--card-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--fg);
    padding: 10px; /* Better padding */
    transition: var(--transition-smooth);
    border: 1px solid rgba(var(--fg-rgb), 0.05);
}

.habit-icon-badge svg {
    width: 24px;
    height: 24px;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.habit-icon-circle {
    width: 36px;
    height: 36px;
    background: rgba(var(--fg-rgb), 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    transition: var(--transition-smooth);
}

.habit-icon-circle svg {
    width: 20px;
    height: 20px;
    stroke-width: 1.5;
}

.habit-card:hover .habit-icon-badge {
    background: var(--fg);
    color: var(--bg);
}

.habit-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.habit-name {
    font-size: 1.2rem;
    font-weight: 500;
}

.habit-stats {
    color: var(--fg-muted);
    font-size: 0.9rem;
}

/* Day Bubbles */
.day-bubbles {
    display: flex;
    justify-content: space-between;
    gap: 0.5rem;
}

.day-bubble {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid var(--fg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    font-size: 0.8rem;
    font-weight: 600;
}

.day-bubble .day-label {
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.7rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    font-weight: 400;
}

.day-bubble.completed {
    background: var(--fg);
    color: var(--bg);
}

.btn-delete, .btn-edit {
    background: transparent;
    border: none;
    color: var(--fg-muted);
    opacity: 0.3;
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 5px;
}

.btn-delete:hover {
    opacity: 1;
    color: #ff4444;
}

.btn-edit:hover {
    opacity: 1;
    color: var(--fg);
}

/* Floating Add Button */
.fab {
    position: fixed;
    bottom: calc(110px + env(safe-area-inset-bottom));
    right: 1.5rem;
    width: 60px;
    height: 60px;
    background: var(--fg);
    color: var(--bg);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    cursor: pointer;
    transition: var(--transition-smooth);
    z-index: 1100;
}

.fab:hover {
    transform: scale(1.1);
}

.fab svg {
    width: 24px;
    height: 24px;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    display: none;
    align-items: flex-end;
    justify-content: center;
    z-index: 1000;
}

.modal {
    width: 100%;
    max-width: 500px;
    background: var(--bg);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transform: translateY(100%);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal.active {
    transform: translateY(0);
}

.modal h2 {
    margin-bottom: 1.5rem;
}

input {
    width: 100%;
    padding: 1.2rem;
    background: var(--card-bg);
    border: none;
    border-radius: var(--radius-md);
    color: var(--fg);
    font-family: inherit;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.btn-primary {
    width: 100%;
    padding: 1.2rem;
    background: var(--fg);
    color: var(--bg);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
}

/* Bottom Navigation - iOS 26 Inspired */
.bottom-nav {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 400px;
    height: 70px;
    background: rgba(var(--bg-rgb, 255, 255, 255), 0.7);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    display: flex;
    justify-content: space-around;
    align-items: center;
    border-radius: 24px;
    border: 1px solid rgba(var(--fg-rgb, 0, 0, 0), 0.1);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    padding: 0 10px;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    color: var(--fg);
    text-decoration: none;
    opacity: 0.4;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
    height: 100%;
    position: relative;
    cursor: pointer;
}

.nav-item.active {
    opacity: 1;
}

.nav-indicator {
    position: absolute;
    top: 50%;
    left: 10px; /* Start padding */
    transform: translateY(-50%);
    width: calc((100% - 20px) / 4);
    height: 75%;
    background: rgba(var(--fg-rgb), 0.05);
    border-radius: 16px;
    z-index: 0;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

.nav-item svg {
    width: 24px;
    height: 24px;
    stroke-width: 2;
}

.nav-item span {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Stats Elements */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.stat-box {
    background: var(--card-bg);
    padding: 1.2rem;
    border-radius: var(--radius-md);
    text-align: left;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--fg-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.habit-stat-item {
    background: var(--card-bg);
    padding: 1.2rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.habit-stat-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.8rem;
}

.progress-container {
    width: 100%;
    height: 8px;
    background: rgba(var(--fg-rgb), 0.05);
    border-radius: 4px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: var(--fg);
    border-radius: 4px;
    transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.streak-badge {
    font-size: 0.75rem;
    font-weight: 700;
    background: var(--fg);
    color: var(--bg);
    padding: 2px 8px;
    border-radius: 10px;
}

/* Chart Styles */
.chart-container {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2.5rem; /* Increased margin to avoid overlap */
    height: 220px;
    display: flex;
    flex-direction: column;
}

.chart-svg {
    width: 100%;
    height: 100%;
    overflow: visible;
}

.chart-line {
    fill: none;
    stroke: var(--fg);
    stroke-width: 3;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: all 1s ease;
}

.chart-point {
    fill: var(--bg);
    stroke: var(--fg);
    stroke-width: 2;
}

.chart-labels {
    display: flex;
    justify-content: space-between;
    margin-top: 0.5rem;
    padding: 0 5px;
}

.chart-label {
    font-size: 0.65rem;
    color: var(--fg-muted);
    text-transform: uppercase;
}

/* Morning Ritual Overlay */
.morning-ritual {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--bg);
    z-index: 2000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    text-align: center;
    transition: opacity 0.5s ease;
}

.btn-close-ritual {
    position: absolute;
    top: 25px;
    right: 25px;
    background: rgba(var(--fg-rgb), 0.05);
    border: none;
    color: var(--fg);
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 2005;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.btn-close-ritual:hover {
    background: var(--fg);
    color: var(--bg);
    transform: rotate(90deg);
}

.ritual-slides {
    width: 100%;
    max-width: 450px;
    min-height: 400px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    z-index: 2002;
}

.ritual-slide {
    display: none;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.ritual-slide.active {
    display: block;
}

.recap-card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
    text-align: left;
}

.recap-number {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1;
    margin: 1rem 0;
}

.recap-label {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--fg-muted);
}

.slide-nav {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.slide-dots {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin-top: 2rem;
}

.slide-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(var(--fg-rgb), 0.1);
    transition: var(--transition-smooth);
}

.slide-dot.active {
    width: 24px;
    border-radius: 4px;
    background: var(--fg);
}

.streak-mini-badge {
    display: flex;
    align-items: center;
    gap: 4px;
    background: rgba(var(--fg-rgb), 0.05);
    color: var(--fg);
    padding: 2px 8px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    transition: var(--transition-smooth);
}

.goal-badge {
    font-size: 0.7rem;
    padding: 2px 6px;
    background: rgba(var(--fg-rgb), 0.05);
    border-radius: 6px;
    opacity: 0.6;
}

/* Icon Picker in Modal */
.icon-picker {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.8rem;
    margin-bottom: 1.5rem;
}

.icon-option {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border-radius: var(--radius-sm);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition-smooth);
    color: var(--fg-muted);
}

.icon-option svg {
    width: 24px;
    height: 24px;
}

.icon-option.selected {
    border-color: var(--fg);
    color: var(--fg);
    background: rgba(var(--fg-rgb), 0.05);
}

/* Animations */
@keyframes slideUp {
    from {
        transform: translateY(40px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}
/* Premium Mood Slider */
#mood-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 24px; height: 24px; background: var(--fg); border: 4px solid var(--bg); border-radius: 50%; cursor: pointer; box-shadow: 0 4px 10px rgba(0,0,0,0.1); transition: transform 0.2s ease; }
#mood-slider::-webkit-slider-thumb:active { transform: scale(1.2); }
#mood-slider::-moz-range-thumb { width: 24px; height: 24px; background: var(--fg); border: 4px solid var(--bg); border-radius: 50%; cursor: pointer; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }

#mood-slider { cursor: pointer; }
#mood-slider::-webkit-slider-runnable-track { background: linear-gradient(to right, var(--fg) 0%, var(--fg) var(--progress, 50%), rgba(var(--fg-rgb), 0.08) var(--progress, 50%)); height: 4px; border-radius: 2px; }
#mood-slider::-webkit-slider-thumb { margin-top: -10px; transition: transform 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275); }

/* Profile View Styles */
.profile-view {
    animation: fadeIn 0.6s ease-out;
}

.profile-section {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.profile-field {
    margin-bottom: 1.5rem;
}

.profile-field label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.8rem;
    opacity: 0.5;
}

.profile-field select {
    width: 100%;
    padding: 1.2rem;
    background: var(--bg);
    border: 1px solid rgba(var(--fg-rgb), 0.1);
    border-radius: var(--radius-md);
    color: var(--fg);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.2rem;
}

.profile-field select option {
    background-color: var(--bg);
    color: var(--fg);
}

.profile-field input {
    background: var(--bg);
    border: 1px solid rgba(var(--fg-rgb), 0.1);
    margin-bottom: 0;
}