/* ===== CUTE & WARM DESIGN SYSTEM ===== */

@import url('https://fonts.googleapis.com/css2?family=Fredoka:wght@400;500;600&family=Nunito:wght@400;600;700;800&display=swap');

:root {
    /* Color Palette - Warm & Cute */
    --color-cream: #FFF9E5;
    --color-yellow: #FFD93D;
    --color-orange: #FF8D29;
    --color-blue: #6BCB77;
    --color-pink: #FF6B6B;
    --color-purple: #A66CFF;
    --color-text-primary: #4a4a4a;
    --color-text-secondary: #7a7a7a;
    --color-text-tertiary: #b0b0b0;
    
    /* Typography */
    --font-cute: 'Fredoka', cursive;
    --font-body: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
    
    /* Shadows */
    --shadow-pop: 4px 4px 0px 0px rgba(0,0,0,0.1);
    --shadow-pop-hover: 6px 6px 0px 0px rgba(0,0,0,0.1);
    --shadow-soft: 0 4px 16px rgba(0, 0, 0, 0.08);
    
    /* Transitions */
    --transition-smooth: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL RESET ===== */

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

body {
    font-family: var(--font-body);
    background-color: var(--color-cream);
    background-image: radial-gradient(var(--color-yellow) 1px, transparent 1px);
    background-size: 20px 20px;
    color: var(--color-text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== NAVIGATION ===== */

.nav-container {
    position: sticky;
    top: 1rem;
    z-index: 100;
    padding: 0 1rem;
    margin-bottom: 1.5rem;
}

.nav-inner {
    max-width: 48rem;
    margin: 0 auto;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-radius: 9999px;
    box-shadow: var(--shadow-pop);
    border: 2px solid white;
    padding: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    padding-left: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.brand-text {
    font-family: var(--font-cute);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.brand-emoji {
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.nav-link:hover {
    background-color: rgba(255, 141, 41, 0.1);
    color: var(--color-orange);
}

.nav-link.active {
    background-color: var(--color-pink);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 107, 107, 0.3);
}

/* ===== MAIN CONTENT ===== */

.main-container {
    flex-grow: 1;
    max-width: 80rem;
    margin: 0 auto;
    padding: 0 1rem;
    width: 100%;
    margin-top: 1rem;
}

/* ===== PAGE TRANSITIONS ===== */

.page-content {
    display: none;
    opacity: 0;
    transform: scale(0.95);
    transition: all var(--transition-smooth);
}

.page-content.active {
    display: block;
    opacity: 1;
    transform: scale(1);
}

/* ===== PAGE HEADERS ===== */

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

.page-title {
    font-family: var(--font-cute);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    display: inline-block;
    background: white;
    padding: 0.5rem 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    border: 2px dashed var(--color-yellow);
    transform: rotate(-2deg);
}

.page-subtitle {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    margin-top: 0.75rem;
}

/* ===== WEEK BOARD ===== */

.board-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.dimension-column {
    border-radius: 1.5rem;
    padding: 1.25rem;
    border: 4px solid white;
    box-shadow: var(--shadow-pop);
    display: flex;
    flex-direction: column;
    min-height: 400px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.dimension-column::before {
    content: '';
    position: absolute;
    top: -2.5rem;
    right: -2.5rem;
    width: 8rem;
    height: 8rem;
    border-radius: 50%;
    opacity: 0.5;
    transition: transform var(--transition-smooth);
}

.dimension-column:hover::before {
    transform: scale(1.1);
}

/* Work Dimension - Blue */
.dimension-column:nth-child(1) {
    background-color: #dbeafe;
}

.dimension-column:nth-child(1)::before {
    background-color: #bfdbfe;
}

.dimension-column:nth-child(1) .dimension-title {
    color: #2563eb;
}

.dimension-column:nth-child(1) .dimension-subtitle {
    color: #60a5fa;
}

.dimension-column:nth-child(1) .add-task-input::placeholder {
    color: #93c5fd;
}

/* Study Dimension - Purple */
.dimension-column:nth-child(2) {
    background-color: #f3e8ff;
}

.dimension-column:nth-child(2)::before {
    background-color: #e9d5ff;
}

.dimension-column:nth-child(2) .dimension-title {
    color: #9333ea;
}

.dimension-column:nth-child(2) .dimension-subtitle {
    color: #a855f7;
}

.dimension-column:nth-child(2) .add-task-input::placeholder {
    color: #c084fc;
}

/* Life Dimension - Orange */
.dimension-column:nth-child(3) {
    background-color: #ffedd5;
}

.dimension-column:nth-child(3)::before {
    background-color: #fed7aa;
}

.dimension-column:nth-child(3) .dimension-title {
    color: #ea580c;
}

.dimension-column:nth-child(3) .dimension-subtitle {
    color: #fb923c;
}

.dimension-column:nth-child(3) .add-task-input::placeholder {
    color: #fdba74;
}

.dimension-header {
    margin-bottom: 1rem;
    position: relative;
    z-index: 10;
}

.dimension-title {
    font-family: var(--font-cute);
    font-size: 1.5rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dimension-subtitle {
    font-size: 0.75rem;
    font-weight: 700;
    margin-top: 0.25rem;
}

/* ===== TASK LIST ===== */

.task-list {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
    z-index: 10;
}

.task-item {
    background-color: white;
    padding: 0.75rem;
    border-radius: 0.75rem;
    border: 2px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all var(--transition-fast);
}

.task-item:hover {
    transform: translateY(-3px) rotate(-1deg);
    box-shadow: 4px 4px 0px rgba(0, 0, 0, 0.05);
}

.task-item.completed {
    opacity: 0.6;
}

.task-checkbox {
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    border: 2px solid currentColor;
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-fast);
}

.task-checkbox.checked {
    background-color: currentColor;
}

.task-checkbox.checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.75rem;
    font-weight: 700;
}

.task-text {
    flex: 1;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.task-item.completed .task-text {
    text-decoration: line-through;
    color: var(--color-text-tertiary);
}

.task-actions {
    display: flex;
    gap: 0.5rem;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.task-item:hover .task-actions {
    opacity: 1;
}

.task-action-btn {
    padding: 0.25rem 0.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--color-text-secondary);
}

.task-action-btn:hover {
    background-color: rgba(0, 0, 0, 0.1);
    transform: scale(1.05);
}

/* ===== ADD TASK INPUT ===== */

.add-task-container {
    margin-top: 1rem;
    padding-top: 0.5rem;
    position: relative;
    z-index: 10;
}

.add-task-input {
    width: 100%;
    background-color: white;
    border: 2px solid transparent;
    padding: 0.75rem 1rem;
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-text-primary);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all var(--transition-fast);
}

.add-task-input:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 4px rgba(255, 141, 41, 0.1);
}

/* ===== TODAY PAGE ===== */

.today-hero {
    text-align: center;
    padding: 1.5rem 0;
    margin-bottom: 2rem;
    position: relative;
}

.today-emoji {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.today-title {
    font-family: var(--font-cute);
    font-size: 2.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.today-question {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    font-weight: 700;
}

.commitment-counter {
    text-align: center;
    margin-bottom: 1.5rem;
}

.counter-text {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-secondary);
}

.counter-text span {
    color: var(--color-pink);
    font-size: 1.125rem;
}

.counter-hint {
    color: var(--color-text-tertiary);
}

.commitments-container {
    max-width: 36rem;
    margin: 0 auto;
    background: white;
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: var(--shadow-pop);
    border: 4px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    min-height: 200px;
}

.commitments-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0.5rem;
    background: linear-gradient(to right, var(--color-pink), var(--color-yellow), var(--color-blue));
}

.commitment-group {
    margin-bottom: 1.5rem;
}

.commitment-group:last-child {
    margin-bottom: 0;
}

.commitment-group-title {
    font-family: var(--font-cute);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.commitment-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    margin-bottom: 0.5rem;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 0.75rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.commitment-item:hover {
    background-color: rgba(0, 0, 0, 0.04);
    transform: translateX(4px);
}

.commitment-item.completed {
    opacity: 0.6;
}

.commitment-checkbox {
    width: 1.75rem;
    height: 1.75rem;
    border: 3px solid var(--color-pink);
    border-radius: 0.5rem;
    flex-shrink: 0;
    position: relative;
    transition: all var(--transition-fast);
}

.commitment-checkbox.completed {
    background-color: var(--color-pink);
}

.commitment-checkbox.completed::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1rem;
    font-weight: 700;
}

.commitment-text {
    flex: 1;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.commitment-item.completed .commitment-text {
    text-decoration: line-through;
    color: var(--color-text-tertiary);
}

.completion-feedback {
    margin-top: 2rem;
    text-align: center;
    opacity: 0;
    transition: opacity 0.5s;
}

.completion-feedback.show {
    opacity: 1;
}

.feedback-text {
    display: inline-block;
    background-color: #d1fae5;
    color: #059669;
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    font-weight: 700;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* ===== REFLECTION PAGE ===== */

.reflection-container {
    max-width: 48rem;
    margin: 0 auto;
}

.reflection-section {
    margin-bottom: 1.5rem;
}

.reflection-title {
    font-family: var(--font-cute);
    font-size: 1.875rem;
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: 2rem;
}

.reflection-card {
    background: white;
    border-radius: 1.5rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-pop);
    border: 2px solid rgba(0, 0, 0, 0.05);
    position: relative;
}

.reflection-prompt {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-pink);
    margin-bottom: 1rem;
}

.reflection-input {
    width: 100%;
    background-color: rgba(0, 0, 0, 0.02);
    border: 2px solid transparent;
    padding: 1rem 1.25rem;
    border-radius: 1rem;
    font-size: 1.125rem;
    font-family: var(--font-body);
    font-weight: 600;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.reflection-input:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 4px rgba(255, 141, 41, 0.1);
}

.reflection-input::placeholder {
    color: var(--color-text-tertiary);
}

.reflection-hint {
    text-align: right;
    margin-top: 0.5rem;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-tertiary);
}

.reflection-stats {
    margin-bottom: 1rem;
}

.reflection-stats-text {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.reflection-stats-text strong {
    color: var(--color-pink);
    font-weight: 700;
}

.reflection-history {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.history-item {
    background-color: rgba(255, 221, 61, 0.1);
    padding: 0.75rem;
    border-radius: 0.75rem;
    border: 1px solid rgba(255, 221, 61, 0.2);
}

.history-date {
    font-size: 0.75rem;
    color: var(--color-yellow);
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.history-content {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

.weekly-summary {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 0.75rem;
}

.summary-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-weight: 600;
}

.summary-value {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-primary);
}

/* Weekly Tasks Detail */
.weekly-tasks-detail {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 2px dashed rgba(0, 0, 0, 0.05);
}

.weekly-dimension-section {
    margin-bottom: 1.5rem;
}

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

.weekly-dimension-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-family: var(--font-cute);
    font-size: 1.125rem;
    font-weight: 600;
}

.weekly-dimension-header.work {
    color: #2563eb;
}

.weekly-dimension-header.study {
    color: #9333ea;
}

.weekly-dimension-header.life {
    color: #ea580c;
}

.weekly-tasks-grid {
    display: grid;
    gap: 0.5rem;
}

.weekly-task-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 0.75rem;
    background-color: rgba(0, 0, 0, 0.02);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.weekly-task-item:hover {
    background-color: rgba(0, 0, 0, 0.04);
    transform: translateX(4px);
}

.weekly-task-item::before {
    content: '✓';
    font-weight: 700;
    font-size: 0.875rem;
}

.weekly-task-item.work::before {
    color: #2563eb;
}

.weekly-task-item.study::before {
    color: #9333ea;
}

.weekly-task-item.life::before {
    color: #ea580c;
}

.weekly-empty-hint {
    text-align: center;
    padding: 1.5rem;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
    font-style: italic;
}

.empty-state {
    text-align: center;
    padding: 2rem;
    color: var(--color-text-tertiary);
}

.empty-text {
    font-size: 0.875rem;
    font-weight: 700;
}

/* ===== HISTORY PAGE ===== */

.history-container {
    max-width: 48rem;
    margin: 0 auto;
}

.history-week-card {
    background: white;
    padding: 1.5rem;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-soft);
    border: 2px solid transparent;
    margin-bottom: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-week-card:hover {
    border-color: var(--color-yellow);
    box-shadow: var(--shadow-pop);
    transform: translateY(-2px);
}

.history-week-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.history-week-number {
    width: 3.5rem;
    height: 3.5rem;
    background-color: rgba(255, 221, 61, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-cute);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-yellow);
    flex-shrink: 0;
    transition: transform var(--transition-fast);
}

.history-week-card:hover .history-week-number {
    transform: scale(1.1);
}

.history-week-info {
    flex: 1;
}

.history-week-title {
    font-family: var(--font-cute);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.25rem;
}

.history-week-stats {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-tertiary);
    background-color: rgba(0, 0, 0, 0.02);
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: 0.5rem;
}

.history-week-content {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 2px dashed rgba(0, 0, 0, 0.05);
}

.history-dimension-group {
    margin-bottom: 1rem;
}

.history-dimension-title {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.history-task-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.history-task-item {
    font-size: 0.875rem;
    color: var(--color-text-primary);
    padding-left: 1rem;
    position: relative;
}

.history-task-item::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-blue);
    font-weight: 700;
}

/* ===== MODAL ===== */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.2s;
}

.modal-container {
    background: white;
    border-radius: 1.5rem;
    padding: 2rem;
    max-width: 400px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    transform: scale(0.9);
    transition: transform 0.2s;
}

.modal-overlay[style*="opacity: 1"] .modal-container {
    transform: scale(1);
}

.modal-content {
    text-align: center;
}

.modal-title {
    font-family: var(--font-cute);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
}

.modal-text {
    font-size: 1rem;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
}

.modal-btn {
    flex: 1;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.75rem;
    font-size: 0.9375rem;
    font-weight: 700;
    font-family: var(--font-body);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.modal-btn-primary:hover {
    background-color: #ff5252;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 107, 107, 0.3);
}

.modal-btn-secondary {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--color-text-secondary);
}

.modal-btn-secondary:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

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

.footer-signature {
    margin-top: auto;
    text-align: center;
    padding: 1.5rem;
}

.footer-signature p {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-tertiary);
}

.footer-signature a {
    color: var(--color-purple);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-signature a:hover {
    color: var(--color-pink);
}

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

@media (max-width: 768px) {
    .nav-brand {
        padding-left: 0.5rem;
    }
    
    .brand-text {
        display: none;
    }
    
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.8125rem;
    }
    
    .board-container {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .today-title {
        font-size: 2rem;
    }
}

/* ===== ANIMATIONS ===== */

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

.task-item,
.commitment-item {
    animation: fadeIn 0.3s ease-out;
}