/* DevSentry — Dark dev-tool aesthetic */
:root {
    --bg: #09090b;
    --surface: #18181b;
    --surface-hover: #1f1f23;
    --border: #27272a;
    --border-light: #3f3f46;
    --text: #e4e4e7;
    --text-muted: #a1a1aa;
    --text-dim: #71717a;
    --teal: #0d9488;
    --teal-hover: #0f766e;
    --teal-light: #14b8a6;
    --red: #ef4444;
    --amber: #f59e0b;
    --blue: #3b82f6;
    --purple: #a855f7;
    --green: #10b981;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
    --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    --radius: 8px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--teal-light); text-decoration: none; }
a:hover { color: var(--teal); }

/* Layout */
.container { max-width: 900px; margin: 0 auto; padding: 0 16px; }
.container-narrow { max-width: 560px; margin: 0 auto; padding: 0 16px; }

/* Top bar */
.topbar {
    background: rgba(9,9,11,0.9);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border);
    padding: 10px 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.topbar-brand {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    letter-spacing: 0.1em;
    text-transform: uppercase;
}
.topbar-nav { display: flex; gap: 4px; }
.topbar-nav a, .topbar-nav button {
    font-family: var(--font-mono);
    font-size: 12px;
    padding: 6px 12px;
    border-radius: 6px;
    background: none;
    border: none;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.15s;
}
.topbar-nav a:hover, .topbar-nav button:hover,
.topbar-nav a.active { background: var(--surface); color: var(--text); }

/* Cards */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 16px;
}

/* Forms */
label {
    display: block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}
input[type="text"], input[type="email"], input[type="password"],
input[type="url"], select, textarea {
    width: 100%;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 10px 12px;
    color: var(--text);
    font-size: 14px;
    font-family: var(--font-body);
    transition: border-color 0.15s;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(13,148,136,0.15);
}
textarea { resize: vertical; min-height: 100px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 13px;
    font-family: var(--font-mono);
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-hover); }
.btn-primary:disabled { background: var(--border); color: var(--text-dim); cursor: not-allowed; }
.btn-secondary { background: var(--surface); color: var(--text-muted); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--surface-hover); color: var(--text); }
.btn-danger { background: rgba(239,68,68,0.15); color: var(--red); }
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-block { width: 100%; justify-content: center; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 500;
}

/* Ticket list */
.ticket-item {
    display: block;
    background: rgba(24,24,27,0.6);
    border: 1px solid rgba(39,39,42,0.6);
    border-radius: var(--radius);
    padding: 14px 16px;
    margin-bottom: 8px;
    transition: all 0.15s;
    text-decoration: none;
    color: inherit;
}
.ticket-item:hover {
    background: var(--surface-hover);
    border-color: var(--border-light);
    color: inherit;
}
.ticket-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 4px;
    font-size: 12px;
}
.ticket-meta .project { color: var(--teal-light); font-family: var(--font-mono); }
.ticket-meta .sep { color: var(--border-light); }
.ticket-meta .type { color: var(--text-dim); }
.ticket-meta .time { color: var(--text-dim); }
.ticket-subject { font-size: 14px; color: var(--text); }
.ticket-author { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.ticket-badges { display: flex; gap: 8px; margin-left: auto; align-items: center; }

/* Thread / message bubbles */
.thread { display: flex; flex-direction: column; gap: 12px; margin: 16px 0; }
.msg {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}
.msg-admin {
    align-self: flex-end;
    background: var(--teal);
    color: #fff;
    border-bottom-right-radius: 4px;
}
.msg-collab {
    align-self: flex-start;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
    border-bottom-left-radius: 4px;
}
.msg-time {
    font-size: 11px;
    color: var(--text-dim);
    margin-top: 4px;
}
.msg-admin .msg-time { color: rgba(255,255,255,0.6); text-align: right; }
.msg-email-status {
    font-size: 10px;
    font-family: var(--font-mono);
    margin-top: 2px;
}

/* Reply box */
.reply-box {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 16px;
}
.reply-box textarea {
    border: none;
    background: transparent;
    color: var(--text);
    resize: vertical;
    min-height: 80px;
    padding: 0;
}
.reply-box textarea:focus { box-shadow: none; }
.reply-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
    align-items: center;
}

/* Status pills (clickable) */
.status-pills { display: flex; gap: 6px; flex-wrap: wrap; }
.status-pill {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-family: var(--font-mono);
    border: 1px solid var(--border);
    background: none;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.15s;
}
.status-pill:hover { border-color: var(--border-light); color: var(--text-muted); }
.status-pill.active { border-color: currentColor; }

/* Priority pills */
.priority-pill { padding: 4px 12px; border-radius: 20px; font-size: 12px; font-family: var(--font-mono); border: none; cursor: pointer; transition: all 0.15s; }

/* Images */
.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
    margin: 12px 0;
}
.image-grid img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
    cursor: pointer;
    transition: opacity 0.15s;
}
.image-grid img:hover { opacity: 0.8; }

/* File upload */
.file-upload {
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    color: var(--text-dim);
    cursor: pointer;
    transition: all 0.15s;
}
.file-upload:hover { border-color: var(--teal); color: var(--text-muted); }
.file-upload input { display: none; }

/* Filters */
.filters {
    display: flex;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.filters select {
    width: auto;
    min-width: 140px;
    padding: 6px 10px;
    font-size: 12px;
    font-family: var(--font-mono);
    background: var(--surface);
}

/* Stats row */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    text-align: center;
}
.stat-number {
    font-size: 28px;
    font-family: var(--font-mono);
    font-weight: 700;
    line-height: 1;
}
.stat-label {
    font-size: 11px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}

/* Section heading */
.section-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 16px;
}
.section-head h1, .section-head h2 {
    font-family: var(--font-mono);
    font-size: 18px;
    font-weight: 400;
    color: var(--text);
}

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}
.alert-success { background: rgba(16,185,129,0.15); color: var(--green); border: 1px solid rgba(16,185,129,0.3); }
.alert-error { background: rgba(239,68,68,0.15); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-dim); text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
td { padding: 10px 12px; border-bottom: 1px solid rgba(39,39,42,0.4); font-size: 13px; }
tr:hover td { background: rgba(24,24,27,0.4); }

/* Collaborator session badge */
.session-active { color: var(--green); }
.session-expired { color: var(--red); }
.session-revoked { color: var(--text-dim); text-decoration: line-through; }

/* Page heading */
.page-header { padding: 24px 0 16px; }
.page-header h1 { font-family: var(--font-mono); font-size: 20px; font-weight: 400; }
.page-header p { color: var(--text-dim); font-size: 13px; margin-top: 4px; }

/* Ticket detail header */
.ticket-detail-header { margin-bottom: 24px; }
.ticket-detail-header h1 { font-size: 18px; margin-bottom: 8px; }

/* Centered panel (login, submit confirm) */
.center-panel {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}
.center-card {
    width: 100%;
    max-width: 420px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 32px;
}
.center-card h1 {
    font-family: var(--font-mono);
    font-size: 22px;
    margin-bottom: 8px;
}
.center-card .subtitle { color: var(--text-dim); font-size: 13px; margin-bottom: 24px; }

/* Linked tickets */
.linked-tickets { margin: 12px 0; }
.linked-ticket {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 12px;
    font-family: var(--font-mono);
    color: var(--text-muted);
    margin: 2px;
}

/* Responsive */
@media (max-width: 640px) {
    .form-row { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .msg { max-width: 90%; }
    .ticket-badges { margin-left: 0; margin-top: 8px; }
    .ticket-meta { flex-wrap: wrap; }
    .reply-actions { flex-direction: column; }
    .reply-actions .btn { width: 100%; justify-content: center; }
}