@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --ink: #14213D;
    --ink-soft: #3B4A6B;
    --paper: #F7F7F5;
    --surface: #FFFFFF;
    --line: #E2E1DC;
    --accent: #2F6F5E;
    --accent-dark: #234F43;
    --accent-light: #DCEFE8;
    --danger: #B3423A;
    --danger-light: #F5DEDC;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: 'Inter', system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3 {
    font-family: 'Space Grotesk', 'Inter', sans-serif;
    font-weight: 600;
    margin: 0 0 8px;
    letter-spacing: -0.01em;
}

a { color: var(--accent-dark); }

/* ---------- App shell ---------- */
.shell {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 230px;
    flex-shrink: 0;
    background: var(--ink);
    color: #E9ECF5;
    display: flex;
    flex-direction: column;
    padding: 24px 18px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 32px;
}

.brand-mark {
    color: #6FCF97;
    font-size: 20px;
}

.brand-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 17px;
    color: #fff;
}

.nav {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-grow: 1;
}

.nav a {
    color: #B7C0D8;
    text-decoration: none;
    padding: 9px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.nav a:hover { background: rgba(255,255,255,0.06); color: #fff; }
.nav a.active { background: var(--accent); color: #fff; }

.sidebar-footer {
    border-top: 1px solid rgba(255,255,255,0.12);
    padding-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
}

.user-name { color: #E9ECF5; font-weight: 500; }
.logout-link { color: #8E9AC0 !important; font-size: 13px; }

.content {
    flex-grow: 1;
    padding: 36px 44px;
    max-width: 1080px;
}

/* ---------- Common elements ---------- */
.page-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 22px;
}

.subtle { color: var(--ink-soft); font-weight: 400; font-size: 15px; }

.btn {
    display: inline-block;
    border: none;
    border-radius: 8px;
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s ease;
}

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-secondary { background: var(--surface); color: var(--ink); border: 1px solid var(--line); }
.btn-secondary:hover { background: #F0F0EC; }
.btn-danger { background: var(--danger-light); color: var(--danger); }
.btn-danger:hover { background: #EFC9C5; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-lg { padding: 14px 26px; font-size: 16px; }

.banner {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
}
.banner-success { background: var(--accent-light); color: var(--accent-dark); }

.empty-state {
    border: 1px dashed var(--line);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    color: var(--ink-soft);
}

.hint-text { color: var(--ink-soft); margin-bottom: 20px; font-size: 14px; }

/* ---------- Cards ---------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 18px;
}

.page-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.status-dot { width: 9px; height: 9px; border-radius: 50%; }
.status-on { background: var(--accent); }
.status-off { background: #C4C4BE; }

.field-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--ink-soft);
    margin: 12px 0 4px;
}

select, textarea, input[type="text"] {
    width: 100%;
    padding: 9px 10px;
    border: 1px solid var(--line);
    border-radius: 7px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    background: var(--surface);
    color: var(--ink);
}

textarea { resize: vertical; }

.save-prompt-btn { margin-top: 12px; }
.save-status { margin-left: 10px; font-size: 13px; color: var(--accent-dark); }

.view-conversations-link {
    display: block;
    margin-top: 14px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
}

.badge {
    background: var(--accent-light);
    color: var(--accent-dark);
    font-size: 11px;
    font-weight: 600;
    padding: 3px 8px;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.template-desc { color: var(--ink-soft); font-size: 13px; margin: 0 0 10px; }

.template-prompt-preview {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 7px;
    padding: 10px;
    white-space: pre-wrap;
    max-height: 140px;
    overflow-y: auto;
    color: var(--ink-soft);
}

.card-actions { display: flex; gap: 8px; margin-top: 12px; }

/* ---------- Modal ---------- */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(20,33,61,0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 50;
}

.modal {
    background: var(--surface);
    border-radius: 12px;
    padding: 28px;
    width: 480px;
    max-width: 92vw;
    max-height: 88vh;
    overflow-y: auto;
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 20px;
}

/* ---------- Conversations table ---------- */
.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }

.filter-chip {
    padding: 6px 14px;
    border-radius: 20px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--ink-soft);
    font-size: 13px;
    text-decoration: none;
}
.filter-chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }

.conv-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

.conv-table th, .conv-table td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--line);
    font-size: 13.5px;
}

.conv-table th {
    background: var(--paper);
    font-weight: 600;
    color: var(--ink-soft);
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.03em;
}

.last-msg-cell { color: var(--ink-soft); max-width: 280px; }

.status-pill {
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}
.status-open { background: var(--accent-light); color: var(--accent-dark); }
.status-handed_off { background: #FDECC8; color: #8A5A00; }
.status-closed { background: #E9E9E5; color: var(--ink-soft); }

/* ---------- Conversation thread ---------- */
.handoff-controls { display: flex; align-items: center; gap: 10px; }
.handoff-controls select { width: auto; }

.thread {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin: 20px 0;
}

.bubble {
    max-width: 70%;
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 14px;
}

.bubble-meta { font-size: 11px; opacity: 0.65; margin-bottom: 3px; }

.bubble-customer { align-self: flex-start; background: var(--surface); border: 1px solid var(--line); }
.bubble-bot { align-self: flex-end; background: var(--accent); color: #fff; }
.bubble-agent { align-self: flex-end; background: var(--ink); color: #fff; }

.reply-box {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 14px;
}
.reply-box textarea { flex-grow: 1; }

/* ---------- Landing page ---------- */
.landing-body { margin: 0; background: var(--paper); }

.landing {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 60px;
    padding: 40px;
    flex-wrap: wrap;
}

.landing-copy { max-width: 420px; }
.landing-copy .brand { margin-bottom: 40px; }
.landing-copy .brand-mark, .landing-copy .brand-name { color: var(--ink); }
.landing-copy .brand-name { color: var(--ink); }

.landing h1 {
    font-size: 40px;
    line-height: 1.1;
    margin-bottom: 16px;
}

.landing-sub {
    color: var(--ink-soft);
    font-size: 16px;
    margin-bottom: 26px;
}

.landing-fineprint {
    color: var(--ink-soft);
    font-size: 12.5px;
    margin-top: 12px;
}

.landing-visual {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 16px;
    padding: 24px;
    width: 320px;
}

.mock-thread { display: flex; flex-direction: column; gap: 10px; }

.mock-bubble {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13.5px;
    max-width: 85%;
}
.mock-bubble-customer { align-self: flex-start; background: var(--paper); border: 1px solid var(--line); }
.mock-bubble-bot { align-self: flex-end; background: var(--accent); color: #fff; }

.mock-typing {
    align-self: flex-start;
    display: flex;
    gap: 4px;
    padding: 10px 14px;
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 12px;
    width: fit-content;
}
.mock-typing span {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--ink-soft);
    animation: bounce 1.2s infinite ease-in-out;
}
.mock-typing span:nth-child(2) { animation-delay: 0.15s; }
.mock-typing span:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.5; }
    30% { transform: translateY(-4px); opacity: 1; }
}

@media (max-width: 720px) {
    .shell { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; align-items: center; padding: 14px 18px; }
    .nav { flex-direction: row; }
    .sidebar-footer { display: none; }
    .content { padding: 24px; }
}