:root {
    --bg: #f3f6fb;
    --surface: #ffffff;
    --surface-soft: #eef3f8;
    --ink: #142033;
    --muted: #67748a;
    --line: #dbe3ec;
    --primary: #1458d6;
    --primary-dark: #0e3f9c;
    --navy: #0b1730;
    --success: #15803d;
    --success-soft: #dcfce7;
    --warning: #b45309;
    --warning-soft: #ffedd5;
    --danger: #b42318;
    --danger-soft: #fee4e2;
    --shadow: 0 18px 50px rgba(20, 32, 51, .10);
    --radius: 18px;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--ink);
    background: var(--bg);
    line-height: 1.55;
}
a { color: inherit; }
button, input, textarea, select { font: inherit; }
.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }

.public-body { background: linear-gradient(180deg, #e9f0ff 0, var(--bg) 55%); }
.public-header {
    background: rgba(255,255,255,.88);
    border-bottom: 1px solid rgba(219,227,236,.9);
    backdrop-filter: blur(14px);
    position: sticky;
    top: 0;
    z-index: 10;
}
.header-inner, .admin-nav { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand > span:last-child { display: grid; }
.brand strong { font-size: 16px; }
.brand small { color: var(--muted); font-size: 12px; }
.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, var(--primary), #4d8eff);
    color: #fff;
    font-weight: 800;
    letter-spacing: -.03em;
    box-shadow: 0 8px 20px rgba(20,88,214,.25);
}
.brand-light { color: #fff; }
.brand-light small { color: #b8c5dc; }
.public-main { min-height: calc(100vh - 150px); padding-block: 64px; }
.public-footer, .admin-footer { color: var(--muted); font-size: 13px; padding: 24px 0 32px; text-align: center; }

.hero-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: center; }
.hero-copy h1, .success-card h1, .install-card h1, .login-info h1 {
    font-size: clamp(36px, 5vw, 60px);
    line-height: 1.05;
    letter-spacing: -.045em;
    margin: 10px 0 20px;
}
.hero-copy .lead { color: var(--muted); font-size: 19px; max-width: 620px; }
.eyebrow { margin: 0; color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .16em; }
.info-panel {
    margin-top: 32px;
    padding: 18px;
    border: 1px solid #cddcff;
    border-radius: 16px;
    background: rgba(255,255,255,.66);
    display: grid;
    gap: 6px;
}
.info-panel code, .install-card code {
    display: inline-block;
    width: fit-content;
    padding: 5px 9px;
    border-radius: 8px;
    background: #e7eeff;
    color: var(--primary-dark);
    font-weight: 700;
}
.info-panel small { color: var(--muted); }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.form-card, .install-card, .login-card, .detail-card, .action-card, .narrow-card { padding: 30px; }
.card-header { margin-bottom: 24px; }
.card-header-ticket {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}
.queue-ticket-number {
    flex: 0 1 auto;
    min-width: 250px;
    padding: 10px 13px;
    border: 1px solid #cddcff;
    border-radius: 11px;
    background: #f3f7ff;
    text-align: right;
}
.queue-ticket-number span {
    display: block;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .06em;
    text-transform: uppercase;
}
.queue-ticket-number strong {
    display: block;
    margin-top: 2px;
    color: var(--primary-dark);
    font-size: 14px;
    line-height: 1.3;
    overflow-wrap: anywhere;
}
.card-header h2, .dashboard-toolbar h2, .action-card h2, .narrow-card h2, .login-card h2 { margin: 0 0 6px; font-size: 26px; letter-spacing: -.025em; }
.card-header p, .dashboard-toolbar p, .action-card > p, .narrow-card > p, .login-card > p { margin: 0; color: var(--muted); }
.ticket-form { display: grid; gap: 18px; }
.form-row.two-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14px; font-weight: 700; }
.field small { color: var(--muted); font-size: 12px; }
input, textarea, select {
    width: 100%;
    border: 1px solid #cbd5e1;
    border-radius: 11px;
    padding: 12px 13px;
    background: #fff;
    color: var(--ink);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(20,88,214,.12); }
input[type="file"] { padding: 9px; background: var(--surface-soft); }

.button {
    border: 0;
    border-radius: 11px;
    min-height: 43px;
    padding: 10px 16px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 750;
    text-decoration: none;
    cursor: pointer;
    transition: transform .15s, filter .15s, background .15s;
}
.button:hover { transform: translateY(-1px); filter: brightness(.98); }
.button-primary { background: var(--primary); color: #fff; }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { background: #e8eef8; color: #24324a; }
.button-success { background: var(--success-soft); color: var(--success); }
.button-warning { background: var(--warning-soft); color: var(--warning); }
.button-ghost { border: 1px solid var(--line); background: #fff; color: var(--ink); }
.button-ghost-dark { border: 1px solid #cbd5e1; background: transparent; color: var(--ink); }
.button-block { width: 100%; }
.button-small { min-height: 34px; padding: 7px 10px; font-size: 12px; border-radius: 9px; }

.alert { margin-bottom: 22px; border-radius: 12px; padding: 13px 15px; font-weight: 650; }
.alert-error { color: var(--danger); background: var(--danger-soft); border: 1px solid #fecdca; }
.alert-success { color: var(--success); background: var(--success-soft); border: 1px solid #bbf7d0; }

.success-wrap, .install-wrap { display: grid; place-items: center; min-height: 62vh; }
.success-card, .install-card { width: min(680px, 100%); text-align: center; }
.success-icon { width: 72px; height: 72px; display: grid; place-items: center; margin: 0 auto 18px; border-radius: 50%; background: var(--success-soft); color: var(--success); font-size: 34px; font-weight: 900; }
.success-card h1, .install-card h1 { font-size: clamp(30px, 4vw, 44px); }
.success-card > p, .install-card > p { color: var(--muted); }
.ticket-number-box { margin: 26px 0; padding: 20px; border-radius: 14px; border: 1px dashed #9db9ef; background: #f3f7ff; display: grid; gap: 5px; }
.ticket-number-box small { color: var(--muted); }
.ticket-number-box strong { color: var(--primary-dark); font-size: clamp(20px, 3vw, 30px); word-break: break-word; }
.summary-list { margin: 0 0 26px; text-align: left; border-top: 1px solid var(--line); }
.summary-list > div { display: grid; grid-template-columns: 145px 1fr; gap: 18px; padding: 13px 0; border-bottom: 1px solid var(--line); }
.summary-list dt { color: var(--muted); }
.summary-list dd { margin: 0; font-weight: 700; }
.install-complete { margin-top: 26px; padding: 20px; background: #f3f7ff; border-radius: 14px; }
.action-row { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; margin-top: 18px; }

.login-body { background: var(--navy); min-height: 100vh; color: #fff; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1.05fr .95fr; }
.login-info { padding: 54px max(36px, 8vw); display: flex; flex-direction: column; justify-content: space-between; background: radial-gradient(circle at 20% 20%, rgba(77,142,255,.30), transparent 35%), var(--navy); }
.login-info h1 { max-width: 670px; }
.login-info p { color: #b8c5dc; max-width: 620px; font-size: 18px; }
.login-card { align-self: center; justify-self: center; width: min(440px, calc(100% - 32px)); color: var(--ink); }
.login-card .back-link { display: block; text-align: center; margin-top: 20px; color: var(--muted); text-decoration: none; font-size: 13px; }

.admin-body { background: #edf1f6; }
.admin-header { background: var(--navy); color: #fff; }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { text-decoration: none; padding: 9px 11px; border-radius: 8px; color: #d5dff0; font-size: 14px; }
.nav-links a:hover { background: rgba(255,255,255,.08); color: #fff; }
.admin-main { min-height: calc(100vh - 140px); padding-block: 34px; }
.page-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 24px; }
.page-heading h1 { margin: 5px 0 0; font-size: 36px; letter-spacing: -.035em; }
.admin-identity { display: grid; text-align: right; }
.admin-identity span { font-weight: 750; }
.admin-identity small { color: var(--muted); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 22px; }
.stat-card { border-radius: 16px; padding: 21px; border: 1px solid var(--line); background: var(--surface); box-shadow: 0 8px 24px rgba(20,32,51,.06); display: grid; gap: 5px; }
.stat-card span, .stat-card small { color: var(--muted); }
.stat-card strong { font-size: 32px; line-height: 1; }
.dashboard-card { overflow: hidden; }
.dashboard-toolbar { display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 24px 24px 16px; }
.filter-form { padding: 16px 24px 22px; display: grid; grid-template-columns: 1.5fr .65fr .8fr auto auto; align-items: end; gap: 12px; border-bottom: 1px solid var(--line); }
.compact-field { gap: 5px; }
.compact-field input, .compact-field select { padding-block: 10px; }
.filter-button { min-height: 42px; }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; min-width: 980px; }
.data-table th, .data-table td { padding: 15px 16px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
.data-table th { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); background: #f8fafc; }
.data-table td { font-size: 14px; }
.data-table td > small, .data-table td > strong { display: block; }
.data-table td > small { color: var(--muted); margin-top: 4px; max-width: 330px; }
.ticket-link { display: block; color: var(--primary-dark); font-weight: 800; text-decoration: none; white-space: nowrap; }
.ticket-link:hover { text-decoration: underline; }
.status { display: inline-flex; align-items: center; white-space: nowrap; border-radius: 999px; padding: 5px 10px; font-size: 12px; font-weight: 800; }
.status-open { background: var(--warning-soft); color: var(--warning); }
.status-solved { background: var(--success-soft); color: var(--success); }
.table-actions { display: flex; gap: 7px; align-items: center; }
.table-actions form { margin: 0; }
.empty-state { text-align: center !important; color: var(--muted); padding: 50px !important; }
.pagination { display: flex; justify-content: space-between; align-items: center; padding: 18px 24px; gap: 18px; font-size: 13px; }
.pagination a { color: var(--primary); text-decoration: none; font-weight: 750; }
.pagination span { color: var(--muted); }

.detail-layout { display: grid; grid-template-columns: 1.5fr .7fr; gap: 20px; align-items: start; }
.detail-topline { display: flex; justify-content: space-between; align-items: start; gap: 20px; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.detail-topline h2 { margin: 5px 0 0; font-size: 27px; word-break: break-word; }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 0; }
.detail-grid > div { padding: 18px 0; border-bottom: 1px solid var(--line); }
.detail-grid dt { color: var(--muted); font-size: 13px; }
.detail-grid dd { margin: 5px 0 0; font-weight: 750; }
.detail-section { padding-top: 24px; }
.detail-section h3 { margin: 0 0 10px; font-size: 19px; }
.pre-wrap { white-space: pre-wrap; overflow-wrap: anywhere; }
.muted-copy { color: var(--muted); }
.problem-image { display: block; max-width: 100%; max-height: 540px; border-radius: 13px; border: 1px solid var(--line); object-fit: contain; background: #f8fafc; }
.file-caption { display: block; color: var(--muted); margin-top: 8px; }
.action-card { position: sticky; top: 20px; }
.narrow-card { width: min(620px, 100%); }

@media (max-width: 900px) {
    .hero-grid, .login-shell, .detail-layout { grid-template-columns: 1fr; }
    .hero-grid { gap: 34px; }
    .login-info { min-height: 360px; padding: 34px 24px; }
    .login-card { margin: 34px auto; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .filter-form { grid-template-columns: 1fr 1fr; }
    .action-card { position: static; }
}

@media (max-width: 640px) {
    .container { width: min(100% - 22px, 1180px); }
    .public-main { padding-block: 34px; }
    .form-row.two-columns, .detail-grid, .stats-grid, .filter-form { grid-template-columns: 1fr; }
    .form-card, .install-card, .login-card, .detail-card, .action-card, .narrow-card { padding: 21px; }
    .header-inner, .admin-nav { min-height: 68px; }
    .public-header .brand small, .admin-header .brand small { display: none; }
    .nav-links { gap: 2px; }
    .nav-links a { font-size: 12px; padding: 8px 6px; }
    .page-heading, .dashboard-toolbar { align-items: start; flex-direction: column; }
    .card-header-ticket { align-items: stretch; flex-direction: column; }
    .queue-ticket-number { min-width: 0; text-align: left; }
    .admin-identity { text-align: left; }
    .dashboard-toolbar { padding: 20px; }
    .filter-form { padding: 16px 20px 20px; }
    .summary-list > div { grid-template-columns: 1fr; gap: 3px; }
    .pagination { flex-direction: column; }
}

/* cPanel installer */
.install-card-wide { width: min(920px, 100%); text-align: left; }
.install-card-wide > h1,
.install-card-wide > p.eyebrow,
.install-card-wide > p { text-align: center; }
.install-form { margin-top: 24px; }
.install-form fieldset { margin: 0 0 22px; padding: 20px; border: 1px solid var(--line); border-radius: 14px; }
.install-form legend { padding: 0 9px; font-weight: 800; color: var(--ink); }
.requirement-panel { margin-top: 24px; text-align: left; }
.requirement-panel h2 { margin-bottom: 12px; }
.requirement-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.requirement-item { display: grid; gap: 4px; padding: 12px 14px; border-radius: 11px; border: 1px solid var(--line); }
.requirement-item small { color: var(--muted); overflow-wrap: anywhere; }
.requirement-ok { background: var(--success-soft); border-color: #bbf7d0; }
.requirement-fail { background: var(--danger-soft); border-color: #fecdca; }
.requirement-warning { background: var(--warning-soft); border-color: #fde68a; }
.cpanel-note { margin-top: 20px; padding: 16px 18px; border-radius: 12px; background: #f3f7ff; border: 1px solid #d7e3f8; text-align: left; }
.cpanel-note ol { margin: 10px 0 0; padding-left: 21px; }
.cpanel-note li + li { margin-top: 6px; }
.error-detail { margin-top: 7px; font-weight: 500; overflow-wrap: anywhere; }
.button:disabled { cursor: not-allowed; opacity: .55; transform: none; }

@media (max-width: 640px) {
    .requirement-grid { grid-template-columns: 1fr; }
    .install-form fieldset { padding: 15px; }
}