@import url('https://fonts.googleapis.com/css2?family=Bai+Jamjuree:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
  --deep: #08313a;
  --petrol: #0e4a54;
  --petrol-2: #17616d;
  --mint: #4ea8a3;
  --mint-soft: #dff1ef;
  --slate: #5e797a;
  --text: #173a40;
  --paper: #f4f7f7;
  --white: #fff;
  --line: #d7e3e4;
  --red: #b42318;
  --red-soft: #fee4e2;
  --green: #12615e;
  --green-soft: #d9f1ef;
  --shadow: 0 12px 30px rgba(8, 49, 58, .08);
  --radius: 14px;
  --sidebar: 250px;
  --topbar: 92px;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--paper); }
body { margin: 0; min-width: 320px; overflow-x: hidden; background: var(--paper); color: var(--text); font: 16px/1.5 'Bai Jamjuree', sans-serif; }
button, input, select, textarea { min-width: 0; max-width: 100%; font: inherit; }
button, input, select, textarea { border: 1px solid #b7cbcd; border-radius: 9px; color: var(--deep); background: var(--white); }
input, select, textarea { width: 100%; min-height: 48px; padding: 11px 13px; }
textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(78, 168, 163, .2); border-color: var(--mint); }
button { min-height: 48px; padding: 11px 18px; border-color: var(--petrol); background: var(--petrol); color: var(--white); font-weight: 700; cursor: pointer; transition: background .15s, transform .15s; }
button:hover { background: var(--petrol-2); }
button:active { transform: translateY(1px); }

.topbar { position: sticky; z-index: 20; top: 0; height: var(--topbar); display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 clamp(20px, 3vw, 44px); background: var(--deep); color: var(--white); }
.brand { display: inline-flex; align-items: center; min-width: 0; color: var(--white); text-decoration: none; }
.brand span { font-size: clamp(2rem, 3vw, 2.75rem); font-weight: 700; line-height: 1; letter-spacing: -.04em; }
.brand i { width: 24px; height: 45px; margin: -2px 9px 0 -3px; border-right: 7px solid var(--mint); transform: skew(-36deg); }
.brand small { font-size: .7rem; font-weight: 700; line-height: .82; }
.account { display: flex; align-items: center; gap: 20px; text-align: right; }
.account span { font-weight: 700; white-space: nowrap; }
.account small { display: block; color: #9fd3d0; font-weight: 400; }
.account a { padding: 9px 14px; border: 1px solid #40717a; border-radius: 9px; color: var(--white); text-decoration: none; }
.account a:hover { background: rgba(255, 255, 255, .08); }

aside { position: fixed; z-index: 10; top: var(--topbar); bottom: 0; left: 0; width: var(--sidebar); padding: 30px 22px; overflow-y: auto; background: var(--petrol); color: var(--white); }
aside nav { display: grid; gap: 8px; }
aside nav a { display: block; padding: 12px 14px; border-radius: 9px; color: #d8eeee; text-decoration: none; font-weight: 600; }
aside nav a:hover, aside nav a.active { background: rgba(255, 255, 255, .12); color: var(--white); }
.values { position: absolute; bottom: 30px; left: 36px; font-size: 1.35rem; font-weight: 700; line-height: 1.15; }

main.shell { min-height: calc(100vh - var(--topbar)); margin-left: var(--sidebar); padding: clamp(30px, 4vw, 58px) clamp(24px, 5vw, 76px); }
main.shell > * { width: min(100%, 1380px); margin-right: auto; }
main:not(.shell) { min-height: calc(100vh - var(--topbar)); }
h1, h2, h3 { color: var(--deep); }
h1 { max-width: 100%; margin: .15em 0; font-size: clamp(2rem, 4vw, 3.35rem); line-height: 1.06; letter-spacing: -.035em; overflow-wrap: anywhere; }
h2 { line-height: 1.2; }
.eyebrow { margin: 0 0 10px; color: var(--mint); font-size: .78rem; font-weight: 700; letter-spacing: .17em; }
.heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 30px; }
.heading > div { min-width: 0; }
.heading p { max-width: 800px; margin: .55rem 0 0; color: var(--slate); }
.back { display: inline-block; margin-bottom: 10px; color: var(--petrol); font-weight: 700; text-decoration: none; }
.primarylink { flex: 0 0 auto; display: inline-block; padding: 12px 17px; border-radius: 9px; background: var(--petrol); color: var(--white); font-weight: 700; text-decoration: none; }

.success, .error, .notice { padding: 14px 16px; border-radius: 10px; overflow-wrap: anywhere; }
.success { margin-bottom: 22px; background: var(--green-soft); color: var(--green); }
.error { background: var(--red-soft); color: var(--red); }
.notice { max-width: 900px; margin-top: 22px; background: var(--mint-soft); color: var(--deep); }
.page-error { margin: 0 0 22px; }

.filters { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(150px, 190px) auto; gap: 12px; margin-bottom: 18px; padding: 16px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.ticketlist { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--white); box-shadow: var(--shadow); }
.ticket { display: grid; grid-template-columns: 86px minmax(220px, 1fr) 130px 100px 18px; align-items: center; gap: 18px; padding: 18px 20px; border-bottom: 1px solid var(--line); color: var(--text); text-decoration: none; }
.ticket:last-child { border-bottom: 0; }
.ticket:hover { background: #f1f8f7; }
.number { color: var(--slate); font-weight: 700; }
.summary { min-width: 0; }
.summary strong, .summary small { display: block; overflow-wrap: anywhere; }
.summary small { margin-top: 3px; color: var(--slate); }
.ticket time { color: var(--slate); font-size: .9rem; }
.ticket b { color: var(--mint); font-size: 1.5rem; }
.badge { display: inline-flex; width: max-content; max-width: 100%; justify-content: center; padding: 5px 10px; border-radius: 999px; background: #e3eeee; color: var(--petrol); font-size: .8rem; font-weight: 700; text-align: center; }
.badge.open { background: var(--green-soft); color: var(--green); }
.badge.closed { background: #e5e9e9; color: #526364; }
.empty { padding: clamp(34px, 6vw, 64px) 20px; text-align: center; }

.conversation { display: grid; max-width: 900px; gap: 16px; }
.message { min-width: 0; padding: 20px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); box-shadow: var(--shadow); overflow-wrap: anywhere; }
.message.staff { border-left: 5px solid var(--mint); }
.message.customer { border-left: 5px solid var(--slate); }
.message header { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 12px; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.message time { flex: 0 0 auto; color: var(--slate); font-size: .85rem; }

.newticket { display: grid; width: min(100%, 780px); gap: 20px; padding: clamp(20px, 3vw, 30px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.newticket label, .admin-card label, .customer-admin-row label { display: grid; min-width: 0; gap: 7px; color: var(--deep); font-weight: 600; }
.newticket label small, .admin-card label small, .customer-admin-row label small { color: var(--slate); font-weight: 400; }

.login { display: grid; min-height: calc(100vh - var(--topbar)); grid-template-columns: minmax(0, 1.15fr) minmax(320px, .85fr); align-items: center; gap: clamp(40px, 8vw, 120px); padding: clamp(32px, 8vw, 130px); background: linear-gradient(130deg, var(--white) 0 62%, var(--mint) 62% 78%, var(--petrol) 78%); }
.login > div { max-width: 680px; }
.login > div p:not(.eyebrow) { max-width: 530px; font-size: 1.12rem; }
.login form { display: grid; width: 100%; max-width: 460px; justify-self: end; gap: 18px; padding: clamp(24px, 4vw, 38px); border-radius: var(--radius); background: var(--white); box-shadow: 0 25px 70px rgba(8, 49, 58, .22); }
.login label { display: grid; gap: 7px; color: var(--deep); font-weight: 600; }

.admin-grid { display: grid; grid-template-columns: minmax(280px, .75fr) minmax(380px, 1.25fr); align-items: start; gap: 22px; margin-bottom: 36px; }
.admin-card { display: grid; min-width: 0; gap: 17px; padding: clamp(20px, 2.5vw, 28px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--white); box-shadow: var(--shadow); }
.admin-card h2 { margin: 0 0 3px; }
.check { display: flex !important; align-items: flex-start; gap: 10px !important; line-height: 1.35; font-weight: 500 !important; }
.check input { flex: 0 0 20px; width: 20px !important; min-height: 20px; height: 20px; margin: 1px 0 0; }
.section-title { margin: 0 0 14px; }
.customer-admin-list { overflow: visible; background: transparent; border: 0; box-shadow: none; }
.customer-admin-row { display: grid; grid-template-columns: minmax(190px, 1.15fr) minmax(150px, .8fr) minmax(135px, .65fr) 90px minmax(180px, 1fr) auto; align-items: end; gap: 14px; margin-bottom: 12px; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--white); box-shadow: var(--shadow); }
.customer-name { min-width: 0; align-self: center; }
.customer-name strong, .customer-name small { display: block; overflow-wrap: anywhere; }
.customer-name small { margin-top: 3px; color: var(--slate); font-size: .82rem; }
.customer-admin-row button { white-space: nowrap; }

footer { padding: 36px 0 4px; color: var(--slate); font-size: .82rem; }

@media (max-width: 1200px) {
  :root { --sidebar: 220px; }
  main.shell { padding-right: 30px; padding-left: 30px; }
  .customer-admin-row { grid-template-columns: minmax(210px, 1.2fr) minmax(160px, .8fr) 150px 100px; }
  .customer-admin-row > label:nth-of-type(4) { grid-column: 1 / 3; }
  .customer-admin-row button { grid-column: 4; }
}

@media (max-width: 900px) {
  :root { --topbar: 78px; }
  .topbar { padding: 0 18px; }
  .brand span { font-size: 2.05rem; }
  .brand i { height: 36px; }
  .account span { display: none; }
  aside { position: sticky; top: var(--topbar); width: 100%; height: auto; padding: 10px 14px; overflow-x: auto; overflow-y: hidden; }
  aside nav { display: flex; width: max-content; min-width: 100%; gap: 5px; }
  aside nav a { padding: 10px 12px; white-space: nowrap; }
  .values { display: none; }
  main.shell { min-height: auto; margin-left: 0; padding: 30px 20px 42px; }
  .admin-grid { grid-template-columns: 1fr; }
  .customer-admin-row { grid-template-columns: 1fr 1fr; align-items: start; }
  .customer-name { grid-column: 1 / -1; }
  .customer-admin-row > label:nth-of-type(4) { grid-column: auto; }
  .customer-admin-row button { grid-column: 2; align-self: end; }
  .login { grid-template-columns: 1fr; gap: 30px; padding: 45px 24px; background: linear-gradient(160deg, var(--white) 0 75%, var(--mint) 75%); }
  .login form { justify-self: start; }
}

@media (max-width: 680px) {
  body { font-size: 15px; }
  .topbar { gap: 12px; }
  .brand small { display: none; }
  .account { gap: 8px; }
  .account a { padding: 8px 10px; }
  main.shell { padding: 26px 14px 38px; }
  .heading { align-items: stretch; flex-direction: column; gap: 16px; }
  .primarylink { width: 100%; text-align: center; }
  .filters { grid-template-columns: 1fr; }
  .ticket { grid-template-columns: 70px minmax(0, 1fr) auto; gap: 10px; padding: 16px 14px; }
  .ticket .badge { grid-column: 2; }
  .ticket time, .ticket b { display: none; }
  .message { padding: 16px; }
  .message header { align-items: flex-start; flex-direction: column; gap: 3px; }
  .customer-admin-row { grid-template-columns: 1fr; padding: 16px; }
  .customer-name, .customer-admin-row > label:nth-of-type(4), .customer-admin-row button { grid-column: auto; }
  .customer-admin-row button { width: 100%; }
  .admin-card { padding: 18px; }
  .login { padding: 34px 16px; }
}

@media (max-width: 390px) {
  .brand span { font-size: 1.8rem; }
  .brand i { width: 19px; margin-right: 4px; border-right-width: 6px; }
  .ticket { grid-template-columns: 1fr; }
  .ticket .badge { grid-column: 1; }
  .number { font-size: .85rem; }
}