:root {
    --navy: #10294f;
    --navy-dark: #071b37;
    --red: #d82834;
    --gold: #e1aa2f;
    --ink: #172235;
    --muted: #718096;
    --line: #e2e7ed;
    --bg: #f4f6f9;
    --white: #fff;
    --green: #16825d;
    --shadow: 0 16px 46px rgba(15,39,72,.08);
}
* { box-sizing: border-box; }
html { min-height: 100%; }
body { margin: 0; color: var(--ink); background: var(--bg); font-family: "DM Sans", system-ui, sans-serif; line-height: 1.55; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

/* Login */
.login-body { min-height: 100vh; background: var(--navy-dark); }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: 1.1fr .9fr; }
.login-visual { position: relative; overflow: hidden; display: flex; align-items: flex-end; min-height: 100vh; padding: 72px; color: #fff; background:
    linear-gradient(140deg, rgba(7,27,55,.96), rgba(16,41,79,.83)),
    url('https://images.unsplash.com/photo-1586528116311-ad8dd3c8310d?auto=format&fit=crop&w=1500&q=84') center/cover;
}
.login-pattern { position: absolute; inset: 0; opacity: .16; background-image: radial-gradient(circle, var(--gold) 0 5px, transparent 6px), linear-gradient(45deg, transparent 48%, #fff 49% 51%, transparent 52%); background-size: 66px 66px; mask-image: linear-gradient(180deg, transparent, black); }
.login-visual-copy { position: relative; max-width: 630px; }
.login-visual-copy img { width: 255px; margin-bottom: 54px; filter: brightness(0) invert(1); }
.admin-kicker { margin: 0 0 15px; color: #f5dda0; font: 800 .75rem "Manrope", sans-serif; letter-spacing: .18em; }
.login-visual-copy h1 { max-width: 590px; margin: 0; font: 800 clamp(2.8rem, 5vw, 5.3rem)/1.03 "Manrope", sans-serif; letter-spacing: -.05em; }
.login-visual-copy > p:not(.admin-kicker) { max-width: 550px; color: rgba(255,255,255,.72); font-size: 1.05rem; }
.login-visual-copy > a { display: inline-flex; gap: 9px; align-items: center; margin-top: 26px; color: #fff; font-weight: 700; }
.login-panel { display: grid; place-items: center; padding: 46px; background: #fff; }
.login-form { width: min(430px, 100%); }
.login-mark { display: grid; place-items: center; width: 56px; height: 56px; color: #fff; background: var(--navy); border-radius: 17px; box-shadow: 0 16px 34px rgba(16,41,79,.2); }
.login-form h2 { margin: 25px 0 5px; font: 800 2rem "Manrope", sans-serif; letter-spacing: -.03em; }
.login-form > p { margin: 0 0 30px; color: var(--muted); }
.login-form label { display: block; margin: 19px 0; }
.login-form label > span, .form-card label > span, .inline-service-form label > span, .service-edit-card label > span { display: block; margin-bottom: 7px; color: #3c4a5e; font-size: .82rem; font-weight: 700; }
.input-icon { position: relative; }
.input-icon i { position: absolute; left: 15px; top: 50%; color: #9aa6b5; transform: translateY(-50%); }
.input-icon input { padding-left: 43px !important; }
.login-form input, .form-card input, .form-card textarea, .form-card select, .inline-service-form input, .service-edit-card input, .service-edit-card textarea, .inquiry-actions select {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid #d9e0e7;
    border-radius: 10px;
    color: var(--ink);
    background: #fff;
    outline: 0;
    transition: .2s;
}
.login-form input:focus, .form-card input:focus, .form-card textarea:focus, .form-card select:focus, .inline-service-form input:focus, .service-edit-card input:focus, .service-edit-card textarea:focus, .inquiry-actions select:focus { border-color: #316aa5; box-shadow: 0 0 0 4px rgba(49,106,165,.1); }
.login-form .admin-btn { width: 100%; margin-top: 5px; }
.login-form small { display: block; margin-top: 16px; color: var(--muted); text-align: center; }

/* Layout */
.admin-layout { min-height: 100vh; display: grid; grid-template-columns: 270px 1fr; }
.sidebar { position: fixed; inset: 0 auto 0 0; z-index: 50; width: 270px; display: flex; flex-direction: column; color: rgba(255,255,255,.68); background: var(--navy-dark); transition: transform .25s ease; }
.sidebar::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .08; background-image: radial-gradient(circle, var(--gold) 0 3px, transparent 4px); background-size: 42px 42px; mask-image: linear-gradient(180deg, black, transparent 40%); }
.sidebar-brand { position: relative; display: block; padding: 25px 22px 23px; border-bottom: 1px solid rgba(255,255,255,.09); }
.sidebar-brand img { width: 205px; filter: brightness(0) invert(1); }
.sidebar-brand span { display: block; margin: 6px 0 0 9px; color: rgba(255,255,255,.45); font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; }
.sidebar-nav { position: relative; flex: 1; padding: 22px 13px; }
.sidebar-nav a, .sidebar-bottom a { display: flex; align-items: center; gap: 13px; min-height: 46px; margin: 4px 0; padding: 11px 14px; border-radius: 10px; font-size: .91rem; font-weight: 600; transition: .2s; }
.sidebar-nav a i, .sidebar-bottom a i { width: 20px; text-align: center; }
.sidebar-nav a:hover, .sidebar-bottom a:hover { color: #fff; background: rgba(255,255,255,.07); }
.sidebar-nav a.active { color: #fff; background: linear-gradient(90deg, var(--red), #c0222d); box-shadow: 0 10px 25px rgba(216,40,52,.18); }
.sidebar-nav b { display: grid; place-items: center; min-width: 22px; height: 22px; margin-left: auto; color: var(--navy-dark); background: var(--gold); border-radius: 11px; font-size: .7rem; }
.sidebar-bottom { position: relative; padding: 15px 13px 19px; border-top: 1px solid rgba(255,255,255,.09); }
.admin-main { grid-column: 2; min-width: 0; }
.admin-topbar { position: sticky; top: 0; z-index: 40; height: 76px; display: flex; align-items: center; gap: 20px; padding: 0 34px; background: rgba(255,255,255,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.sidebar-toggle { display: none; width: 42px; height: 42px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.topbar-title { flex: 1; color: var(--muted); font-size: .85rem; }
.admin-user { display: flex; align-items: center; gap: 10px; }
.avatar { display: grid; place-items: center; width: 39px; height: 39px; color: #fff; background: var(--navy); border-radius: 12px; font-weight: 800; }
.admin-user strong, .admin-user span { display: block; line-height: 1.3; }
.admin-user strong { font-size: .86rem; }
.admin-user span { color: var(--muted); font-size: .71rem; }
.admin-content { width: min(1380px, calc(100% - 64px)); margin: 0 auto; padding: 40px 0 65px; }
.page-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 27px; }
.page-header h1 { margin: 0; font: 800 2rem "Manrope", sans-serif; letter-spacing: -.035em; }
.page-header p { margin: 5px 0 0; color: var(--muted); }

.admin-btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 43px; padding: 10px 16px; border: 1px solid transparent; border-radius: 10px; color: var(--ink); background: #fff; font-weight: 700; transition: .2s; }
.admin-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(15,39,72,.1); }
.admin-btn.primary { color: #fff; background: var(--navy); border-color: var(--navy); }
.admin-btn.primary:hover { background: #1a477d; }
.admin-btn.ghost { border-color: var(--line); }
.admin-btn.small { min-height: 37px; padding: 8px 12px; font-size: .8rem; border-color: var(--line); }
.admin-btn.danger { color: #a6232e; background: #fff2f3; border-color: #f4ccd0; }
.alert { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; padding: 13px 16px; border-radius: 10px; font-size: .9rem; }
.alert.success { color: #126143; background: #e5f6ed; }
.alert.error { color: #8e202b; background: #fdebed; }

.admin-card { background: #fff; border: 1px solid #e5e9ee; border-radius: 16px; box-shadow: var(--shadow); }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-bottom: 22px; }
.stat-card { display: flex; align-items: center; gap: 18px; padding: 23px; background: #fff; border: 1px solid #e7ebef; border-radius: 15px; box-shadow: var(--shadow); }
.stat-icon { display: grid; place-items: center; width: 55px; height: 55px; border-radius: 15px; font-size: 1.25rem; }
.stat-icon.blue { color: #245f9e; background: #e8f1fb; }
.stat-icon.gold { color: #976c0a; background: #fff4d5; }
.stat-icon.red { color: #b82430; background: #fdebed; }
.stat-card span, .stat-card strong, .stat-card small { display: block; }
.stat-card span { color: var(--muted); font-size: .78rem; }
.stat-card strong { margin: 2px 0; font: 800 2rem "Manrope", sans-serif; line-height: 1; }
.stat-card small { color: #9aa5b3; }
.dashboard-grid { display: grid; grid-template-columns: 1.35fr .65fr; gap: 22px; }
.quick-start, .company-summary, .security-tips { padding: 25px; }
.card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 15px; margin-bottom: 21px; }
.card-heading h2 { margin: 0; font: 800 1.2rem "Manrope", sans-serif; }
.card-heading p { margin: 4px 0 0; color: var(--muted); font-size: .84rem; }
.card-heading > i { color: var(--gold); font-size: 1.25rem; }
.checklist { border-top: 1px solid var(--line); }
.checklist a { display: grid; grid-template-columns: 42px 1fr auto; gap: 13px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.checklist a > i { display: grid; place-items: center; width: 40px; height: 40px; color: var(--navy); background: #eef2f7; border-radius: 11px; }
.checklist strong, .checklist span { display: block; }
.checklist strong { font-size: .9rem; }
.checklist span { color: var(--muted); font-size: .78rem; }
.checklist em { padding: 4px 8px; color: #a2700b; background: #fff4d6; border-radius: 7px; font-size: .7rem; font-style: normal; font-weight: 700; }
.company-summary dl { margin: 0; }
.company-summary dl > div { padding: 15px 0; border-top: 1px solid var(--line); }
.company-summary dt { color: var(--muted); font-size: .74rem; }
.company-summary dd { margin: 4px 0 0; font-size: .88rem; font-weight: 700; }

.form-card { padding: 28px; }
.form-section { padding: 5px 0 30px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.form-section:last-of-type { margin-bottom: 18px; }
.form-section-title { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 22px; }
.form-section-title > span { display: grid; place-items: center; width: 36px; height: 36px; flex: 0 0 auto; color: #fff; background: var(--navy); border-radius: 10px; font-size: .74rem; font-weight: 800; }
.form-section-title h2 { margin: 0; font: 800 1.1rem "Manrope", sans-serif; }
.form-section-title p { margin: 3px 0 0; color: var(--muted); font-size: .8rem; }
.form-card label { display: block; margin-bottom: 18px; }
.form-card textarea, .service-edit-card textarea { resize: vertical; }
.form-grid { display: grid; gap: 17px; }
.form-grid.two { grid-template-columns: 1fr 1fr; }
.form-grid.four { grid-template-columns: 1fr 1.65fr .75fr .45fr; align-items: end; }
.form-actions { display: flex; justify-content: flex-end; }
.check-label { display: inline-flex !important; align-items: center; gap: 8px; color: #4d5a6d; font-size: .82rem; }
.check-label input { width: auto !important; }

.service-add { margin-bottom: 18px; }
.inline-service-form { display: flex; align-items: flex-end; flex-wrap: wrap; gap: 15px; }
.inline-service-form .form-grid { flex: 1 1 760px; }
.inline-service-form label { margin: 0; }
.service-admin-list { display: grid; gap: 15px; }
.service-edit-card { display: grid; grid-template-columns: 64px 1fr; gap: 18px; padding: 22px; }
.service-edit-icon { display: grid; place-items: center; width: 56px; height: 56px; color: #fff; background: var(--navy); border-radius: 14px; }
.service-row { grid-template-columns: 1fr 1.7fr .65fr .4fr; }
.service-edit-fields label { margin: 0; }
.service-actions { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-top: 15px; }
.service-actions div { display: flex; gap: 8px; }

.table-card { overflow: hidden; }
.inquiry-list { display: grid; }
.inquiry-item { display: grid; grid-template-columns: 1fr auto; gap: 26px; padding: 26px; border-bottom: 1px solid var(--line); border-left: 4px solid transparent; }
.inquiry-item:last-child { border-bottom: 0; }
.inquiry-item.status-new { border-left-color: var(--red); background: #fffdfd; }
.inquiry-head { display: flex; justify-content: space-between; gap: 20px; }
.inquiry-head h2 { display: inline; margin: 0 0 0 9px; font: 800 1.05rem "Manrope", sans-serif; }
.inquiry-head time { color: var(--muted); font-size: .75rem; white-space: nowrap; }
.status-pill { display: inline-block; padding: 3px 7px; border-radius: 6px; font-size: .68rem; font-weight: 800; text-transform: uppercase; }
.status-pill.new { color: #a11f2a; background: #fde9eb; }
.status-pill.read { color: #275e91; background: #e8f1fb; }
.status-pill.closed { color: #53606f; background: #edf0f3; }
.inquiry-meta { display: flex; flex-wrap: wrap; gap: 15px; margin-top: 12px; color: var(--muted); font-size: .79rem; }
.inquiry-meta i { margin-right: 6px; color: var(--navy); }
.inquiry-main > p { max-width: 950px; margin: 17px 0 0; color: #465366; }
.inquiry-actions { display: flex; align-items: flex-start; gap: 8px; }
.inquiry-actions select { min-width: 92px; padding: 8px 10px; font-size: .79rem; }
.icon-btn { display: grid; place-items: center; width: 37px; height: 37px; border: 1px solid var(--line); border-radius: 9px; background: #fff; }
.icon-btn.danger { color: #ae2632; }
.empty-state { padding: 80px 30px; text-align: center; }
.empty-state i { color: #bdc7d2; font-size: 3rem; }
.empty-state h2 { margin: 16px 0 5px; font: 800 1.35rem "Manrope", sans-serif; }
.empty-state p { margin: 0; color: var(--muted); }

.security-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 22px; align-items: start; }
.security-form { max-width: 670px; }
.security-tips ul { list-style: none; margin: 0; padding: 0; }
.security-tips li { display: flex; gap: 10px; padding: 14px 0; border-top: 1px solid var(--line); color: #4b586b; font-size: .87rem; }
.security-tips li i { color: var(--green); margin-top: 4px; }

@media (max-width: 1120px) {
    .stat-grid { grid-template-columns: 1fr 1fr; }
    .stat-card:last-child { grid-column: 1 / -1; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .form-grid.four, .service-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
    .admin-layout { display: block; }
    .sidebar { transform: translateX(-100%); box-shadow: 20px 0 60px rgba(0,0,0,.25); }
    .sidebar.is-open { transform: none; }
    .admin-main { min-width: 0; }
    .sidebar-toggle { display: grid; place-items: center; }
    .admin-content { width: min(100% - 32px, 900px); }
    .security-grid { grid-template-columns: 1fr; }
    .login-shell { grid-template-columns: 1fr; }
    .login-visual { display: none; }
    .login-panel { min-height: 100vh; }
}
@media (max-width: 650px) {
    .admin-topbar { height: 68px; padding: 0 16px; }
    .topbar-title { display: none; }
    .admin-user { margin-left: auto; }
    .admin-content { width: calc(100% - 24px); padding-top: 25px; }
    .page-header { align-items: flex-start; flex-direction: column; }
    .stat-grid, .form-grid.two, .form-grid.four, .service-row { grid-template-columns: 1fr; }
    .stat-card:last-child { grid-column: auto; }
    .checklist a { grid-template-columns: 40px 1fr; }
    .checklist em { grid-column: 2; justify-self: start; }
    .service-edit-card { grid-template-columns: 1fr; }
    .service-actions, .inquiry-item, .inquiry-head { align-items: flex-start; flex-direction: column; display: flex; }
    .inquiry-actions { width: 100%; }
    .inquiry-actions form:first-child { flex: 1; }
    .inquiry-actions select { width: 100%; }
    .form-card, .quick-start, .company-summary, .security-tips { padding: 20px; }
    .login-panel { padding: 24px; }
}