/* ==========================================================================
   YukoMaussi Commissions — Neo-Brutalism / Kawaii Theme
   Design tokens adapted from the main yukomaussi.art portfolio site
   ========================================================================== */

/* ==========================================================================
   Local Fonts (Manrope)
   ========================================================================== */
@font-face {
    font-family: 'Manrope';
    src: url('/fonts/manrope-400.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Manrope';
    src: url('/fonts/manrope-600.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Manrope';
    src: url('/fonts/manrope-700.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Manrope';
    src: url('/fonts/manrope-800.ttf') format('truetype');
    font-weight: 800;
    font-style: normal;
    font-display: swap;
}

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */
:root {
    /* Colors */
    --color-bg-gradient: linear-gradient(135deg, #f274bc 0%, #e0c3fc 50%, #a0c4ff 100%);
    --color-bg-page: #fbe3ff;
    --color-bg-card: #ffffff;
    --color-bg-column: #fff5fb;
    --color-bg-header: rgba(255, 255, 255, 0.85);

    --color-text-primary: #1a1a2e;
    --color-text-secondary: #555555;
    --color-text-muted: #888888;
    --color-text-inverted: #ffffff;

    --color-border: #1a1a2e;

    /* Accent palette */
    --color-accent-pink: #ff99cc;
    --color-accent-pink-dark: #e33eb4;
    --color-accent-purple: #e2c0ff;
    --color-accent-blue: #a0c4ff;
    --color-accent-peach: #ffe5b4;
    --color-accent-mint: #b5f5c8;
    --color-accent-lavender: #d5c6ff;

    /* Typography */
    --font-family: 'Manrope', system-ui, -apple-system, sans-serif;

    --font-size-xs: 0.7rem;
    --font-size-sm: 0.8rem;
    --font-size-base: 0.95rem;
    --font-size-lg: 1.1rem;
    --font-size-xl: 1.3rem;
    --font-size-2xl: 1.8rem;
    --font-size-3xl: 2.2rem;

    --font-weight-normal: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;

    /* Borders & Shadows */
    --border-width: 3px;
    --border-thin: 2px;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-full: 50px;

    --shadow-sm: 2px 2px 0 var(--color-border);
    --shadow-md: 3px 3px 0 var(--color-border);
    --shadow-lg: 4px 4px 0 var(--color-border);
    --shadow-card: 3px 3px 0 var(--color-border);
    --shadow-card-hover: 5px 5px 0 var(--color-border);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-bounce: 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* ==========================================================================
   Reset & Base
   ========================================================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 17.6px; /* Scaled up by 10% from 16px */
    height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background: var(--color-bg-gradient);
    background-attachment: fixed;
    height: 100vh;
    overflow: hidden;
    line-height: 1.5;
    display: flex;
    flex-direction: column;
}

/* ==========================================================================
   Header
   ========================================================================== */
.site-header {
    background: var(--color-bg-header);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: var(--border-width) solid var(--color-border);
    padding: var(--spacing-4) var(--spacing-4);
    text-align: center;
    flex-shrink: 0;
    z-index: 100;
}

.header-inner {
    width: 100%;
    margin: 0 auto;
}

.site-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-extrabold);
    letter-spacing: -0.02em;
    color: var(--color-text-primary);
}

.title-accent {
    background: linear-gradient(135deg, var(--color-accent-pink-dark), #7b2fbe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.site-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-1);
    font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   Filters
   ========================================================================== */
.filters {
    width: 100%;
    max-width: 100%;
    margin: var(--spacing-3) 0 0;
    padding: 0 var(--spacing-4);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    flex-shrink: 0;
}

.filter-toggle {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-3);
    cursor: pointer;
    user-select: none;
    background: var(--color-bg-card);
    border: var(--border-thin) solid var(--color-border);
    border-radius: var(--radius-full);
    padding: var(--spacing-2) var(--spacing-4);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-fast),
                transform var(--transition-fast);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
}

.filter-toggle:hover {
    box-shadow: var(--shadow-md);
    transform: translate(-1px, -1px);
}

.filter-toggle:active {
    box-shadow: 1px 1px 0 var(--color-border);
    transform: translate(1px, 1px);
}

.filter-toggle input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 36px;
    height: 20px;
    background: var(--color-text-muted);
    border-radius: 10px;
    border: var(--border-thin) solid var(--color-border);
    transition: background var(--transition-base);
    flex-shrink: 0;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--color-bg-card);
    border-radius: 50%;
    border: 1px solid var(--color-border);
    transition: transform var(--transition-bounce);
}

.filter-toggle input:checked + .toggle-slider {
    background: var(--color-accent-pink);
}

.filter-toggle input:checked + .toggle-slider::after {
    transform: translateX(16px);
}

/* ==========================================================================
   Boards Container (Full Viewport Height)
   ========================================================================== */
.boards-container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: var(--spacing-3) 0 0;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ==========================================================================
   Board
   ========================================================================== */
.board {
    margin-bottom: 0;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.board-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-2);
    margin-left: var(--spacing-4);
    padding-left: var(--spacing-3);
    border-left: 4px solid var(--color-accent-pink-dark);
    flex-shrink: 0;
}

/* ==========================================================================
   Columns (Fills viewport height to bottom edge)
   ========================================================================== */
.board-columns {
    display: flex;
    gap: var(--spacing-4);
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0 var(--spacing-4) var(--spacing-3);
    width: 100%;
    flex: 1;
    min-height: 0;
    align-items: stretch;
    scroll-behavior: smooth;
    cursor: grab;

    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent-purple) transparent;
}

.board-columns.is-dragging {
    cursor: grabbing;
    user-select: none;
    scroll-behavior: auto;
}

.board-columns::-webkit-scrollbar {
    height: 10px;
}

.board-columns::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.05);
    border-radius: 5px;
}

.board-columns::-webkit-scrollbar-thumb {
    background: var(--color-accent-purple);
    border: 2px solid var(--color-border);
    border-radius: 5px;
}

/* ==========================================================================
   Column (Stretches exactly to viewport bottom)
   ========================================================================== */
/* ==========================================================================
   Column (Stretches exactly to viewport bottom)
   ========================================================================== */
.column {
    width: 320px;
    min-width: 320px;
    max-width: 320px;
    flex: 0 0 320px;
    background: var(--color-bg-column);
    border: var(--border-width) solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
    min-height: 0;
}

.column-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    background: var(--color-bg-card);
    border-bottom: var(--border-thin) solid var(--color-border);
}

.column-title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.column-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 26px;
    height: 26px;
    background: var(--color-accent-pink);
    border: var(--border-thin) solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 0 var(--spacing-2);
    flex-shrink: 0;
}

.task-list {
    padding: var(--spacing-3);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    flex: 1;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
    scrollbar-gutter: stable;

    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: var(--color-accent-lavender) transparent;
}

.task-list::-webkit-scrollbar {
    width: 6px;
}

.task-list::-webkit-scrollbar-track {
    background: transparent;
}

.task-list::-webkit-scrollbar-thumb {
    background: var(--color-accent-lavender);
    border-radius: 3px;
}

.column-footer {
    padding: var(--spacing-2) var(--spacing-4);
    border-top: var(--border-thin) solid var(--color-border);
    background: var(--color-bg-card);
}

.archived-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-semibold);
}

/* ==========================================================================
   Task Card
   ========================================================================== */
.task-card {
    background: var(--color-bg-card);
    border: var(--border-thin) solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-3);
    transition: box-shadow var(--transition-fast),
                transform var(--transition-fast);
    cursor: default;
    width: 100%;
    box-sizing: border-box;
}

.task-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.task-card.task-archived {
    opacity: 0.55;
    border-style: dashed;
}

.task-card.task-archived:hover {
    opacity: 0.8;
}

.task-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-2);
    margin-bottom: var(--spacing-1);
}

.task-id {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: var(--font-weight-semibold);
    font-family: 'Courier New', monospace;
    background: var(--color-accent-peach);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    padding: 1px 6px;
}

.task-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    color: var(--color-text-primary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

/* ==========================================================================
   Badges
   ========================================================================== */
.task-badge {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    padding: 1px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    white-space: nowrap;
    flex-shrink: 0;
}

.badge-completed {
    background: var(--color-accent-mint);
}

.badge-archived {
    background: var(--color-text-muted);
    color: var(--color-text-inverted);
}

/* ==========================================================================
   Stickers
   ========================================================================== */
.task-stickers {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: var(--spacing-2);
}

.sticker-badge {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    color: var(--color-text-primary);
    white-space: nowrap;
    max-width: 140px;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.4;
    transition: transform var(--transition-fast);
}

.sticker-badge:hover {
    transform: scale(1.05);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
    text-align: center;
    padding: var(--spacing-6) var(--spacing-4);
    color: var(--color-text-inverted);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Empty State
   ========================================================================== */
.empty-state {
    text-align: center;
    padding: var(--spacing-8) var(--spacing-4);
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-3);
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 768px) {
    .site-title {
        font-size: var(--font-size-xl);
    }

    .site-header {
        padding: var(--spacing-4) var(--spacing-3);
    }

    .boards-container {
        padding: var(--spacing-3);
    }

    .column {
        min-width: 260px;
    }

    .filters {
        padding: 0 var(--spacing-3);
    }
}

@media (max-width: 480px) {
    .site-title {
        font-size: var(--font-size-lg);
    }

    .column {
        min-width: 240px;
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.board {
    animation: fadeIn 0.4s ease forwards;
}

.column {
    animation: fadeIn 0.4s ease forwards;
}

.column:nth-child(2) { animation-delay: 0.05s; }
.column:nth-child(3) { animation-delay: 0.1s; }
.column:nth-child(4) { animation-delay: 0.15s; }
.column:nth-child(5) { animation-delay: 0.2s; }
.column:nth-child(6) { animation-delay: 0.25s; }

/* ==========================================================================
   Update indicator
   ========================================================================== */
.update-indicator {
    position: fixed;
    bottom: var(--spacing-4);
    right: var(--spacing-4);
    background: var(--color-bg-card);
    border: var(--border-thin) solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    display: none;
    align-items: center;
    gap: var(--spacing-2);
    z-index: 200;
    animation: fadeIn 0.3s ease;
}

.update-indicator.visible {
    display: inline-flex;
}

.update-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-accent-mint);
    border: 1px solid var(--color-border);
    animation: pulse 1.5s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}