/* ==========================================================
   みかん箱 — 基本テーマ（旧 Ripe）
   コンセプト：夏の終わりの夕暮れ、熟れる果実、季節の移ろい
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Shippori+Mincho:wght@500;700&family=Zen+Kaku+Gothic+New:wght@400;500;700&display=swap');

:root {
    /* Color tokens */
    --color-bg:        #F2F4EF; /* 薄い苔白 */
    --color-surface:   #FFFFFF;
    --color-ink:       #1F3A34; /* 宵闇の深緑 */
    --color-ink-soft:  #4B5F58;
    --color-line:      #DBE0D6;
    --color-accent:    #BB5B2C; /* 熟柿色 */
    --color-accent-2:  #C9A227; /* 実りの金 */
    --color-danger:    #B23A3A;
    --color-ok:        #3E7D5A;

    /* Type */
    --font-display: 'Shippori Mincho', serif;
    --font-body: 'Zen Kaku Gothic New', -apple-system, BlinkMacSystemFont, 'Hiragino Sans', sans-serif;

    --radius-sm: 6px;
    --radius-md: 12px;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: var(--font-body);
    line-height: 1.7;
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: 0.02em;
    margin: 0 0 0.6em;
    color: var(--color-ink);
}

a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 可視フォーカス（アクセシビリティ） */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-accent-2);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    * { animation: none !important; transition: none !important; }
}

/* ---------- Header ---------- */
.site-header {
    background: linear-gradient(100deg, #1F3A34 0%, #35544C 55%, #BB5B2C 130%);
    color: #F2F4EF;
}
.site-header__inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.brand {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: #FFFFFF;
    letter-spacing: 0.06em;
}
.brand:hover { text-decoration: none; opacity: 0.9; }
.main-nav { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.main-nav .nav-link { color: #F2F4EF; opacity: 0.9; font-size: 0.92rem; }
.main-nav .nav-link:hover { opacity: 1; text-decoration: underline; }
.nav-link--accent {
    background: var(--color-accent-2);
    color: #1F3A34 !important;
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    opacity: 1 !important;
}
.nav-user { font-size: 0.9rem; opacity: 0.85; }
.badge {
    display: inline-block;
    background: var(--color-accent-2);
    color: #1F3A34;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 1px 6px;
    border-radius: 999px;
    margin-left: 4px;
}

/* ---------- Layout ---------- */
.site-main {
    max-width: 960px;
    margin: 0 auto;
    padding: 24px 20px 64px;
}
.site-footer {
    text-align: center;
    color: var(--color-ink-soft);
    font-size: 0.82rem;
    padding: 24px 0 40px;
}

/* ---------- Flash messages ---------- */
.flash {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 18px;
    font-size: 0.92rem;
}
.flash--error   { background: #FBEAEA; color: var(--color-danger); border: 1px solid #E9C6C6; }
.flash--success { background: #EAF3EC; color: var(--color-ok);     border: 1px solid #C7DECB; }
.flash--info    { background: #EEF1EC; color: var(--color-ink-soft); border: 1px solid var(--color-line); }

/* ---------- Cards / Surfaces ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 16px;
}
.card-link {
    display: block;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    padding: 18px;
    margin-bottom: 14px;
    color: inherit;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.card-link:hover {
    text-decoration: none;
    border-color: var(--color-accent);
    box-shadow: 0 2px 10px rgba(31, 58, 52, 0.08);
}

/* ---------- Forms ---------- */
.form-field { margin-bottom: 16px; }
.form-field label {
    display: block;
    font-size: 0.86rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: var(--color-ink-soft);
}
input[type="text"], input[type="password"], input[type="date"], input[type="datetime-local"],
input[type="number"], input[type="file"], textarea, select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    background: #fff;
    color: var(--color-ink);
}
textarea { resize: vertical; min-height: 90px; }
.form-help { font-size: 0.8rem; color: var(--color-ink-soft); margin-top: 4px; }
.form-actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }

.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: 999px;
    border: none;
    font-size: 0.92rem;
    font-weight: 700;
    cursor: pointer;
    font-family: inherit;
}
.btn-primary { background: var(--color-accent); color: #fff; }
.btn-primary:hover { background: #A34D24; text-decoration: none; }
.btn-secondary { background: var(--color-surface); color: var(--color-ink); border: 1px solid var(--color-line); }
.btn-secondary:hover { border-color: var(--color-accent); text-decoration: none; }
.btn-small { padding: 6px 14px; font-size: 0.82rem; }
.btn-block { width: 100%; text-align: center; }

/* ---------- Status / Tag pills ---------- */
.pill {
    display: inline-block;
    font-size: 0.74rem;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 999px;
    background: #EEF1EC;
    color: var(--color-ink-soft);
    margin-right: 4px;
}
.pill--idea       { background: #EEF1EC; color: var(--color-ink-soft); }
.pill--scheduling { background: #FDF1E4; color: #9A5B12; }
.pill--planning   { background: #E9F0FB; color: #2C5C9A; }
.pill--upcoming   { background: #FFF3D9; color: #8A6600; }
.pill--achieved   { background: #E6F3EA; color: var(--color-ok); }
.pill--archived   { background: #ECECEC; color: #777; }

.countdown {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--color-accent);
}
.countdown::before {
    content: '';
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--color-accent-2);
    display: inline-block;
}

/* ---------- Item list ---------- */
.item-card__title { font-family: var(--font-display); font-size: 1.1rem; margin-bottom: 6px; }
.item-card__meta { font-size: 0.8rem; color: var(--color-ink-soft); margin-top: 8px; }
.filter-bar {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 18px;
    padding: 12px 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
}
.filter-bar select { width: auto; padding: 6px 10px; font-size: 0.85rem; }

/* ---------- Chat ---------- */
.chat-log {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 420px;
    overflow-y: auto;
    padding: 14px;
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}
.chat-message { max-width: 80%; }
.chat-message__meta { font-size: 0.72rem; color: var(--color-ink-soft); margin-bottom: 2px; }
.chat-message__body {
    background: #EEF1EC;
    padding: 8px 12px;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    white-space: pre-wrap;
    word-break: break-word;
}
.chat-message--mine .chat-message__body { background: #FDEAE0; }
.chat-form { display: flex; gap: 8px; }
.chat-form textarea { min-height: 44px; flex: 1; }

/* ---------- Schedule poll ---------- */
.poll-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.poll-table th, .poll-table td {
    border: 1px solid var(--color-line);
    padding: 8px 10px;
    text-align: center;
}
.poll-table th { background: #EEF1EC; font-weight: 700; }
.answer-ok { color: var(--color-ok); font-weight: 700; }
.answer-maybe { color: #9A5B12; font-weight: 700; }
.answer-ng { color: var(--color-danger); font-weight: 700; }
.response-status-list { font-size: 0.82rem; margin-top: 10px; }
.response-status-list .not-yet { color: var(--color-danger); }

/* ---------- Achievement / archive ---------- */
.achievement-photos { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.achievement-photos img {
    width: 140px; height: 140px; object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-line);
}
.progress-bar {
    background: var(--color-line);
    border-radius: 999px;
    height: 8px;
    overflow: hidden;
    margin: 8px 0;
}
.progress-bar__fill { background: var(--color-accent-2); height: 100%; }

/* ---------- Utility ---------- */
.text-muted { color: var(--color-ink-soft); font-size: 0.86rem; }
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--color-ink-soft);
}
.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 12px;
    flex-wrap: wrap;
    gap: 8px;
}

@media (max-width: 600px) {
    .site-header__inner { flex-direction: column; align-items: flex-start; }
    .chat-message { max-width: 92%; }
}