/* ============================================================
   CARDS Game — Stylesheet
   Five cards. Three colours. Executable in real-time.

   Visual refresh: playful & card-like with Nunito, warm tones,
   tactile shadows, and card-game physicality.
   ============================================================ */

/* --- @font-face --- */
@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/nunito-v32-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC,
        U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: url('../fonts/nunito-v32-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC,
        U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: url('../fonts/nunito-v32-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC,
        U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 800;
    font-display: swap;
    src: url('../fonts/nunito-v32-latin.woff2') format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC,
        U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Latin-ext fallback */
@font-face {
    font-family: 'Nunito';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url('../fonts/nunito-v32-latin-ext.woff2') format('woff2');
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7,
        U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F,
        U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113,
        U+2C60-2C7F, U+A720-A7FF;
}

/* --- Tokens --- */
:root {
    /* CARDS state colours — warmer, bolder */
    --cards-green: #1a9d4a;
    --cards-green-bg: #e6f7ed;
    --cards-green-border: #8fd4a8;
    --cards-green-shadow: rgba(26, 157, 74, 0.25);

    --cards-orange: #e8811a;
    --cards-orange-bg: #fff1e0;
    --cards-orange-border: #f5c48a;
    --cards-orange-shadow: rgba(232, 129, 26, 0.25);

    --cards-red: #d42f2f;
    --cards-red-bg: #fde8e8;
    --cards-red-border: #f0a0a0;
    --cards-red-shadow: rgba(212, 47, 47, 0.25);

    /* Interface */
    --color-bg: #f8f6f2;
    --color-surface: #ffffff;
    --color-text: #2c2c2c;
    --color-text-muted: #6b6b6b;
    --color-border: #e2ddd5;
    --color-accent: #1a7a3e;
    --color-accent-hover: #156332;
    --color-link: #1a7a3e;
    --color-link-hover: #156332;

    /* Typography */
    --font-body: 'Nunito', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono: 'Cascadia Code', 'Fira Code', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Layout */
    --max-width: 960px;
    --max-width-wide: 1400px;
    --radius: 10px;
    --radius-card: 16px;
    --radius-pill: 999px;

    /* Card dimensions (playing card ratio ~5:7) */
    --card-width: 200px;
    --card-height: 280px;

    /* Shadows — layered for depth */
    --shadow-card: 0 2px 4px rgba(0, 0, 0, 0.06), 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.12), 0 2px 6px rgba(0, 0, 0, 0.06);
    --shadow-panel: 0 1px 3px rgba(0, 0, 0, 0.04), 0 3px 10px rgba(0, 0, 0, 0.06);
    --shadow-btn: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-header: 0 2px 8px rgba(0, 0, 0, 0.06);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
}

body, h1, h2, h3, h4, p, ul, ol {
    margin: 0;
    padding: 0;
}

/* --- Base --- */
html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-weight: 400;
    color: var(--color-text);
    background: var(--color-bg);
    background-image: radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.6) 0%, transparent 70%);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

a:hover {
    color: var(--color-link-hover);
    text-decoration: underline;
}

img {
    max-width: 100%;
    height: auto;
}

/* --- Layout --- */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.container--wide {
    max-width: var(--max-width-wide);
}

main {
    flex: 1;
    padding: var(--space-lg) 0;
}

/* --- Header --- */
.site-header {
    background: var(--color-surface);
    box-shadow: var(--shadow-header);
    padding: var(--space-md) 0;
    position: relative;
    z-index: 10;

    & .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: var(--space-lg);
    }
}

.site-logo {
    font-size: 1.6rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-decoration: none;
    transition: transform var(--transition-fast);

    & .logo-c { color: var(--cards-green); }
    & .logo-a { color: var(--cards-orange); }
    & .logo-r { color: var(--cards-green); }
    & .logo-d { color: var(--cards-red); }
    & .logo-s { color: var(--cards-green); }
}

.site-logo:hover {
    text-decoration: none;
    transform: scale(1.04);
}

/* --- Navigation --- */
.site-nav ul {
    display: flex;
    gap: var(--space-sm);
    list-style: none;
}

.site-nav a {
    font-size: 0.9rem;
    font-weight: 600;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-pill);
    transition: background var(--transition-fast), color var(--transition-fast);
}

.site-nav a:hover {
    background: var(--cards-green-bg);
    text-decoration: none;
}

.site-nav a.active {
    background: var(--color-accent);
    color: #fff;
}

/* --- Footer --- */
.site-footer {
    border-top: 2px solid var(--color-border);
    padding: var(--space-lg) 0;
    margin-top: var(--space-xl);
    font-size: 0.85rem;
    color: var(--color-text-muted);

    & p {
        margin-bottom: var(--space-sm);
    }
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

/* --- Hero --- */
.hero {
    margin-bottom: var(--space-xl);
    text-align: center;
    padding: var(--space-lg) 0;

    & h1 {
        font-size: 2.5rem;
        font-weight: 800;
        margin-bottom: var(--space-sm);
        letter-spacing: -0.01em;
    }
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    font-weight: 400;
}

/* --- Cards Grid --- */
.cards-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: center;
    margin: var(--space-lg) 0;
}

/* --- Card Component --- */
.card {
    width: var(--card-width);
    height: var(--card-height);
    perspective: 600px;
}

.card__link {
    display: block;
    width: 100%;
    height: 100%;
    text-decoration: none;
    color: inherit;
}

.card__link:hover {
    text-decoration: none;
}

.card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    transform-style: preserve-3d;
}

.card--flipped .card__inner {
    transform: rotateY(180deg);
}

.card__front,
.card__back {
    position: absolute;
    inset: 0;
    backface-visibility: hidden;
    border-radius: var(--radius-card);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    box-shadow: var(--shadow-card);
    border: 2.5px solid transparent;
    transition: box-shadow var(--transition-medium),
                border-color var(--transition-medium),
                background-color var(--transition-medium);
}

.card__back {
    transform: rotateY(180deg);
    overflow-y: auto;
    font-size: 0.75rem;
    text-align: left;
    justify-content: flex-start;
    align-items: flex-start;
    padding: var(--space-sm) var(--space-md);
}

.card__letter {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1;
    margin-bottom: var(--space-xs);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card__letter--back {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
    text-shadow: none;
}

.card__name {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.card__need {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.4;
}

.card__statements {
    width: 100%;

    & h2 {
        font-size: 0.8rem;
        margin: var(--space-sm) 0 var(--space-xs);
    }

    & ul {
        padding-left: var(--space-md);
        margin: 0;
    }

    & li {
        margin-bottom: 2px;
    }
}

/* Card colour states */
.card--green .card__front {
    background: var(--cards-green-bg);
    border-color: var(--cards-green-border);
}
.card--green .card__back {
    background: var(--cards-green-bg);
    border-color: var(--cards-green-border);
}
.card--green .card__letter {
    color: var(--cards-green);
}

.card--orange .card__front {
    background: var(--cards-orange-bg);
    border-color: var(--cards-orange-border);
}
.card--orange .card__back {
    background: var(--cards-orange-bg);
    border-color: var(--cards-orange-border);
}
.card--orange .card__letter {
    color: var(--cards-orange);
}

.card--red .card__front {
    background: var(--cards-red-bg);
    border-color: var(--cards-red-border);
}
.card--red .card__back {
    background: var(--cards-red-bg);
    border-color: var(--cards-red-border);
}
.card--red .card__letter {
    color: var(--cards-red);
}

/* Card hover: lift + tilt + coloured glow */
.card:hover .card__front,
.card:hover .card__back {
    box-shadow: var(--shadow-card-hover);
}

.card:hover .card__inner {
    transform: translateY(-4px);
}

.card:nth-child(odd):hover .card__inner {
    transform: translateY(-4px) rotate(1deg);
}

.card:nth-child(even):hover .card__inner {
    transform: translateY(-4px) rotate(-1deg);
}

/* Coloured shadow glow on hover */
.card--green:hover .card__front {
    box-shadow: var(--shadow-card-hover), 0 4px 20px var(--cards-green-shadow);
}
.card--orange:hover .card__front {
    box-shadow: var(--shadow-card-hover), 0 4px 20px var(--cards-orange-shadow);
}
.card--red:hover .card__front {
    box-shadow: var(--shadow-card-hover), 0 4px 20px var(--cards-red-shadow);
}

/* Card active: press down */
.card:active .card__inner {
    transform: translateY(-1px) rotate(0deg) !important;
}

.card:active .card__front {
    box-shadow: var(--shadow-card);
}

/* --- Card Detail Page --- */
.card-detail__header {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.card-detail__letter {
    font-size: 4rem;
    font-weight: 800;
    color: var(--cards-green);
    line-height: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.card-detail__need {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    margin-top: var(--space-xs);
}

.card-detail__states {
    & h2 {
        font-size: 1.2rem;
        font-weight: 700;
        margin: var(--space-lg) 0 var(--space-sm);
        padding: var(--space-sm) var(--space-md);
        border-radius: var(--radius);
    }

    & h2:nth-of-type(1) { /* Green */
        background: var(--cards-green-bg);
        color: var(--cards-green);
        border-left: 4px solid var(--cards-green);
    }

    & h2:nth-of-type(2) { /* Orange */
        background: var(--cards-orange-bg);
        color: var(--cards-orange);
        border-left: 4px solid var(--cards-orange);
    }

    & h2:nth-of-type(3) { /* Red */
        background: var(--cards-red-bg);
        color: var(--cards-red);
        border-left: 4px solid var(--cards-red);
    }

    & ul {
        padding-left: var(--space-lg);
        margin: var(--space-sm) 0;
    }

    & li {
        margin-bottom: var(--space-xs);
    }
}

/* Card navigation (prev/next) */
.card-nav {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-xl);
    padding-top: var(--space-md);
    border-top: 2px solid var(--color-border);
}

.card-nav__prev,
.card-nav__next {
    font-size: 0.9rem;
    font-weight: 600;
}

.card-nav__next {
    margin-left: auto;
}

/* --- Breadcrumb --- */
.breadcrumb {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

/* --- Routines --- */
.home-routines {
    margin-top: var(--space-xl);

    & h2 {
        text-align: center;
        font-weight: 800;
        margin-bottom: var(--space-lg);
    }
}

.routines-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
}

.routine-card {
    display: block;
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-lg);
    text-decoration: none;
    color: inherit;
    box-shadow: var(--shadow-panel);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast),
                transform var(--transition-fast);

    & h3 {
        color: var(--color-accent);
        font-weight: 700;
        margin-bottom: var(--space-sm);
    }

    & p {
        color: var(--color-text-muted);
        font-size: 0.9rem;
    }
}

.routine-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-card-hover);
    transform: translateY(-3px);
    text-decoration: none;
}

/* --- Routine Content (Markdown) --- */
.routine-content {
    margin-bottom: var(--space-lg);

    & h2 {
        font-size: 1.2rem;
        font-weight: 700;
        margin: var(--space-lg) 0 var(--space-sm);
    }

    & p {
        margin-bottom: var(--space-md);
    }

    & ol, & ul {
        padding-left: var(--space-lg);
        margin-bottom: var(--space-md);
    }

    & li {
        margin-bottom: var(--space-xs);
    }
}

.subtitle {
    color: var(--color-text-muted);
    font-size: 1.15rem;
    margin-bottom: var(--space-lg);
}

/* --- Routine Accordion (details/summary) --- */
.routine-accordion {
    margin: var(--space-lg) 0 var(--space-md);
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-panel);
    overflow: hidden;
}

.routine-accordion__trigger {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-accent);
    cursor: pointer;
    list-style: none;
    transition: background-color var(--transition-fast);
}

.routine-accordion__trigger::-webkit-details-marker {
    display: none;
}

.routine-accordion__trigger::marker {
    content: '';
}

.routine-accordion__trigger::before {
    content: '\25B6';
    display: inline-block;
    font-size: 0.7em;
    transition: transform var(--transition-medium);
    flex-shrink: 0;
}

.routine-accordion[open] > .routine-accordion__trigger::before {
    transform: rotate(90deg);
}

.routine-accordion__trigger:hover {
    background: var(--cards-green-bg);
}

.routine-accordion__trigger:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
}

.routine-accordion__body {
    padding: 0 var(--space-lg) var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.routine-accordion__body.routine-content {
    margin-bottom: 0;
}

/* --- Page Content (Markdown) --- */
.page-content {
    & h1 {
        font-weight: 800;
        margin-bottom: var(--space-md);
    }
}

.markdown-body {
    & h2 {
        font-size: 1.3rem;
        font-weight: 700;
        margin: var(--space-lg) 0 var(--space-sm);
    }

    & h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin: var(--space-md) 0 var(--space-sm);
    }

    & p {
        margin-bottom: var(--space-md);
        line-height: 1.7;
    }

    & ul, & ol {
        padding-left: var(--space-lg);
        margin-bottom: var(--space-md);
    }

    & li {
        margin-bottom: var(--space-xs);
        line-height: 1.6;
    }

    & table {
        width: 100%;
        border-collapse: separate;
        border-spacing: 0;
        margin: var(--space-md) 0;
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-panel);
        border: 1px solid var(--color-border);
    }

    & th, & td {
        padding: var(--space-sm) var(--space-md);
        text-align: left;
        border-bottom: 1px solid var(--color-border);
    }

    & th {
        font-weight: 700;
        background: var(--color-bg);
    }

    & tr:last-child td {
        border-bottom: none;
    }

    & blockquote {
        border-left: 4px solid var(--color-accent);
        padding: var(--space-md);
        margin: var(--space-md) 0;
        background: var(--cards-green-bg);
        border-radius: 0 var(--radius) var(--radius) 0;
        font-style: italic;
    }

    & code {
        font-family: var(--font-mono);
        font-size: 0.9em;
        background: var(--color-bg);
        padding: 0.15em 0.4em;
        border-radius: 4px;
    }
}

/* ============================================================
   Interactive Cards — Tier 2 HTMX
   ============================================================ */

/* --- Interactive Card Layout --- */
.card--interactive {
    height: auto;
    min-height: var(--card-height);
    perspective: none;
    transition: border-color var(--transition-medium),
                background-color var(--transition-medium),
                box-shadow var(--transition-medium);
}

.card--interactive .card__inner {
    transform-style: flat;
    height: auto;
    min-height: calc(var(--card-height) - 60px);
    display: flex;
    flex-direction: column;
}

.card--interactive .card__front {
    position: relative;
    inset: auto;
    flex: 1;
}

/* Override tilt for interactive cards (they don't flip) */
.card--interactive:hover .card__inner {
    transform: translateY(-4px);
}

.card--interactive:nth-child(odd):hover .card__inner {
    transform: translateY(-4px) rotate(0.5deg);
}

.card--interactive:nth-child(even):hover .card__inner {
    transform: translateY(-4px) rotate(-0.5deg);
}

/* Unset state — neutral, inviting assignment */
.card--unset .card__front {
    background: var(--color-surface);
    border-color: var(--color-border);
    border-style: dashed;
}
.card--unset .card__letter {
    color: var(--color-text-muted);
    opacity: 0.5;
}

/* Assignment pulse animation */
@keyframes card-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.03); }
    100% { transform: scale(1); }
}

.card--interactive:not(.card--unset) .card__front {
    animation: card-pulse 0.3s ease;
}

/* Compact cards for simulation panels */
.card--compact {
    --card-width: 160px;
    --card-height: 224px;
}

.card--compact .card__play-area {
    min-height: var(--card-height);
}

.card--compact .card__letter {
    font-size: 1.8rem;
}

.card--compact .card__name {
    font-size: 0.85rem;
}

.card--compact .card__need {
    display: none;
}

/* Action cards — same width as standard for consistency */
.card--action {
    width: var(--card-width);
}

/* --- Interactive Cards Grid --- */
.cards-grid--interactive {
    align-items: flex-start;
    gap: 1.5rem;
}

.cards-grid--compact {
    gap: var(--space-md);
}

.cards-grid--action {
    gap: 1.5rem;
}

/* --- Play Area (card body + zone strip) --- */
.card__play-area {
    display: flex;
    align-items: stretch;
}

.card__body {
    flex: 1;
}

/* Zone strip: vertical bar beside each card */
.card__zones {
    display: flex;
    flex-direction: column;
    width: 3rem;
    flex-shrink: 0;
    border-left: 2px solid var(--color-border);
    border-radius: 0 var(--radius-card) var(--radius-card) 0;
    overflow: hidden;
}

.card__zone {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    padding: var(--space-xs);
    cursor: pointer;
    font-family: inherit;
    font-weight: 800;
    font-size: 0.7rem;
    letter-spacing: 0.05em;
    transition: opacity var(--transition-fast),
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
    opacity: 0.5;
}

.card__zone:hover {
    opacity: 1;
    transform: scaleX(1.15);
    transform-origin: left;
}

.card__zone:active {
    transform: scaleX(0.95);
    transform-origin: left;
}

.card__zone:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: -2px;
    opacity: 1;
}

.card__zone--green {
    background: var(--cards-green-bg);
    color: var(--cards-green);
}

.card__zone--orange {
    background: var(--cards-orange-bg);
    color: var(--cards-orange);
}

.card__zone--red {
    background: var(--cards-red-bg);
    color: var(--cards-red);
}

/* Active zone — the assigned colour */
.card__zone--active {
    opacity: 1;
    font-size: 0.85rem;
    box-shadow: inset 0 0 0 2px currentColor;
}

.card__zone--active.card__zone--green {
    background: var(--cards-green);
    color: #fff;
}

.card__zone--active.card__zone--orange {
    background: var(--cards-orange);
    color: #fff;
}

.card__zone--active.card__zone--red {
    background: var(--cards-red);
    color: #fff;
}

/* Drag highlight state (JS adds this) */
.card__zone--highlight {
    opacity: 1;
    transform: scaleX(1.2);
    transform-origin: left;
    box-shadow: inset 0 0 0 2px currentColor;
}

/* Dragging state on card */
.card--dragging {
    cursor: grabbing;
    z-index: 10;
}

/* --- Interactive Statements --- */
.card__statements--interactive {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
    text-align: left;
    border-top: 1px solid var(--color-border);
    max-height: 200px;
    overflow-y: auto;

    & ul {
        padding-left: var(--space-md);
        margin: 0;
    }

    & li {
        margin-bottom: 2px;
    }
}

/* --- Note Input (Strategise / Debug) --- */
.card__note {
    padding: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-border);
}

.card__note-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

.card__note-input {
    width: 100%;
    font-family: inherit;
    font-size: 0.8rem;
    padding: var(--space-sm);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-bg);
    resize: vertical;
    line-height: 1.4;
    transition: border-color var(--transition-fast),
                background-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.card__note-input:focus {
    outline: none;
    background: var(--color-surface);
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(26, 122, 62, 0.15);
}

/* --- Context Input (Routine situation/decision) --- */
.routine__context {
    margin: var(--space-md) 0 var(--space-lg);
    max-width: 600px;
}

.routine__context-label {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.routine__context-input {
    width: 100%;
    font-family: inherit;
    font-size: 1rem;
    padding: var(--space-sm) var(--space-md);
    border: 2px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    transition: border-color var(--transition-fast),
                box-shadow var(--transition-fast);
}

.routine__context-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(26, 122, 62, 0.15);
}

/* --- Summary Panel --- */
.routine__summary {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-lg);
    margin: var(--space-lg) 0;
    box-shadow: var(--shadow-panel);

    & h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: var(--space-md);
    }

    & h4 {
        font-size: 0.95rem;
        font-weight: 700;
        margin: var(--space-md) 0 var(--space-sm);
    }
}

.routine__summary-prompt {
    color: var(--color-text-muted);
    font-style: italic;
}

.routine__summary-result {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--color-bg);
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.routine__summary-notes ul {
    padding-left: var(--space-md);
}

.routine__summary-notes li {
    margin-bottom: var(--space-sm);
    font-size: 0.9rem;
}

/* Summary chips — mini card state indicators */
.routine__summary-cards {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.summary-chip {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius);
    font-weight: 800;
    font-size: 1.2rem;
    min-width: 3.5rem;
    text-align: center;
    border: 2px solid var(--color-border);
    background: var(--color-surface);
    transition: border-color var(--transition-fast),
                background-color var(--transition-fast),
                box-shadow var(--transition-fast);

    & small {
        font-size: 0.65rem;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
}

.summary-chip--green {
    background: var(--cards-green-bg);
    border-color: var(--cards-green);
    color: var(--cards-green);
}

.summary-chip--orange {
    background: var(--cards-orange-bg);
    border-color: var(--cards-orange);
    color: var(--cards-orange);
}

.summary-chip--red {
    background: var(--cards-red-bg);
    border-color: var(--cards-red);
    color: var(--cards-red);
}

.summary-chip--unset {
    background: var(--color-bg);
    border-style: dashed;
    color: var(--color-text-muted);
}

/* --- Simulation Panels --- */
.routine__panels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin: var(--space-lg) 0;
}

.routine__panel {
    background: var(--color-surface);
    border: 2px solid var(--color-border);
    border-radius: var(--radius-card);
    padding: var(--space-lg);
    box-shadow: var(--shadow-panel);

    & h2 {
        font-size: 1.2rem;
        font-weight: 700;
        margin-bottom: var(--space-sm);
    }
}

.routine__panel-prompt {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
}

.simulation__comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.simulation__scenario-summary {
    & h4 {
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: var(--space-sm);
    }
}

.simulation__score {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: var(--space-sm);
}

/* --- Actions (Reset button etc.) --- */
.routine__actions {
    margin: var(--space-lg) 0;
    text-align: center;
}

.btn {
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: background-color var(--transition-fast),
                border-color var(--transition-fast),
                transform var(--transition-fast),
                box-shadow var(--transition-fast);
    text-decoration: none;
    display: inline-block;
    box-shadow: var(--shadow-btn);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow-btn);
}

.btn--primary {
    background: var(--color-accent);
    border: 2px solid var(--color-accent);
    color: #fff;
}

.btn--primary:hover {
    background: var(--color-accent-hover);
    border-color: var(--color-accent-hover);
    color: #fff;
    text-decoration: none;
}

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

.btn--outline:hover {
    border-color: var(--color-text-muted);
    color: var(--color-text);
    text-decoration: none;
}

.btn--text {
    background: transparent;
    border: 2px solid transparent;
    color: var(--color-accent);
    box-shadow: none;
    padding: var(--space-xs) var(--space-sm);
}

.btn--text:hover {
    background: var(--cards-green-bg);
    box-shadow: none;
    text-decoration: none;
}

/* --- HTMX States --- */
.htmx-request {
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.htmx-swapping {
    opacity: 0;
    transition: opacity var(--transition-fast);
}

/* Fade-in + slide-up for swapped-in content */
@keyframes htmx-fade-in {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.htmx-added {
    animation: htmx-fade-in 0.3s ease forwards;
}

/* --- Responsive --- */
@media (max-width: 640px) {
    :root {
        --card-width: 150px;
        --card-height: 210px;
    }

    .site-header .container {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .site-nav ul {
        flex-wrap: wrap;
        justify-content: center;
        gap: var(--space-xs);
    }

    .hero h1 {
        font-size: 1.75rem;
    }

    .hero {
        padding: var(--space-md) 0;
    }

    .cards-grid {
        gap: var(--space-lg);
    }

    .card__letter {
        font-size: 2.2rem;
    }

    /* Disable tilt on mobile — just lift */
    .card:nth-child(odd):hover .card__inner,
    .card:nth-child(even):hover .card__inner {
        transform: translateY(-3px) rotate(0deg);
    }

    /* Wider zone strip on mobile for touch */
    .card__zones {
        width: 3.5rem;
    }

    .card__zone {
        font-size: 0.75rem;
    }

    /* Accordion tighter on mobile */
    .routine-accordion__trigger {
        padding: var(--space-md);
        font-size: 0.95rem;
    }

    .routine-accordion__body {
        padding: 0 var(--space-md) var(--space-md);
    }

    /* Simulation: stack panels on mobile */
    .routine__panels {
        grid-template-columns: 1fr;
    }

    .simulation__comparison-grid {
        grid-template-columns: 1fr;
    }

    /* Compact cards smaller on mobile */
    .card--compact {
        --card-width: 110px;
        --card-height: 154px;
    }

    .card--compact .card__letter {
        font-size: 1.4rem;
    }

    /* Action cards full width on mobile */
    .card--action {
        width: 100%;
    }

    /* Full-width buttons on mobile */
    .btn {
        display: block;
        width: 100%;
        text-align: center;
    }
}