@import url('../fonts/sarabun.css');

/* =========================================================================
   SDMS — ระบบบริหารจัดการหอพักนักศึกษา · CDTI
   Theme: CDTI Institute Blue + gold accent (อ้างอิง 07-mockups.html)
   ========================================================================= */
:root{
  --cdti-navy:#00426d; --cdti-royal:#005899; --cdti-light:#1d7bbf; --cdti-soft:#e6f1f8;
  --gold:#d4a017; --gold-light:#fbbf24; --gold-soft:#fef3c7;
  --primary:#005899; --primary-dark:#00426d; --primary-light:#1d7bbf; --primary-soft:#e6f1f8;
  --success:#16a34a; --success-soft:#dcfce7;
  --warning:#d97706; --warning-soft:#fef3c7;
  --danger:#dc2626; --danger-soft:#fee2e2;
  --ink:#1a2a3e; --muted:#5e5f5f;
  --g100:#f4f7fa; --g200:#f1f5f9; --g300:#e2e8f0; --g400:#cbd5e1; --g500:#94a3b8; --g600:#475569; --g700:#334155;
  --white:#fff;
  --shadow-sm:0 1px 2px rgba(0,66,109,.06);
  --shadow:0 4px 14px rgba(0,66,109,.08);
  --shadow-lg:0 12px 32px rgba(0,66,109,.14);
  --radius:10px; --radius-sm:6px; --radius-lg:16px;
  --grad-primary:linear-gradient(135deg,#00426d 0%,#005899 50%,#1d7bbf 100%);
  --grad-soft:linear-gradient(180deg,#fff 0%,#f4f7fa 100%);
  --grad-gold:linear-gradient(135deg,#fbbf24 0%,#d4a017 100%);
  --font:'Sarabun',system-ui,-apple-system,'Segoe UI',sans-serif;
  --header-h:64px; --sidebar-w:256px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--g100);line-height:1.6;font-size:16px}
h1,h2,h3,h4,h5{font-family:var(--font);font-weight:700;line-height:1.3;color:var(--ink);margin:0 0 .5rem}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;display:block}
p{margin:0 0 1rem}
small{font-size:.85em}
:focus-visible{outline:2px solid var(--primary-light);outline-offset:2px}

/* layout helpers */
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}
.container-sm{max-width:760px}
.row{display:flex;flex-wrap:wrap;gap:24px}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.text-center{text-align:center}.text-muted{color:var(--muted)}.text-sm{font-size:.875rem}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}
.mb-0{margin-bottom:0}.mb-2{margin-bottom:1rem}
.w-full{width:100%}.hidden{display:none}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font);font-size:.95rem;font-weight:600;line-height:1;
  padding:11px 20px;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;transition:.15s;text-decoration:none}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{box-shadow:var(--shadow);color:#fff}
.btn-gold{background:var(--grad-gold);color:#3a2a00}
.btn-outline{background:#fff;border-color:var(--g300);color:var(--ink)}
.btn-outline:hover{border-color:var(--primary-light);color:var(--primary)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--g200)}
.btn-danger{background:var(--danger);color:#fff}
.btn-block{width:100%}
.btn-lg{padding:14px 28px;font-size:1.05rem}
.btn-sm{padding:7px 14px;font-size:.85rem}

/* ===== Cards ===== */
.card{background:#fff;border:1px solid var(--g300);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.card-pad{padding:24px}
.card-hover{transition:.18s}
.card-hover:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:var(--primary-soft)}

/* stat card */
.stat{background:#fff;border:1px solid var(--g300);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);display:flex;gap:14px;align-items:center}
.stat-ico{width:48px;height:48px;border-radius:12px;display:grid;place-items:center;font-size:20px;color:#fff;flex:none;background:var(--grad-primary)}
.stat-ico.green{background:linear-gradient(135deg,#16a34a,#22c55e)}
.stat-ico.gold{background:var(--grad-gold);color:#3a2a00}
.stat-ico.red{background:linear-gradient(135deg,#dc2626,#ef4444)}
.stat-num{font-size:1.6rem;font-weight:700;line-height:1.1}
.stat-label{font-size:.85rem;color:var(--muted)}

/* badge */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:.78rem;font-weight:600}
.badge-primary{background:var(--primary-soft);color:var(--primary-dark)}
.badge-success{background:var(--success-soft);color:#15803d}
.badge-warning{background:var(--warning-soft);color:#b45309}
.badge-danger{background:var(--danger-soft);color:#b91c1c}
.badge-muted{background:var(--g200);color:var(--g600)}

/* ===== Forms ===== */
.field{margin-bottom:16px}
.label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}
.label .req{color:var(--danger)}
.input,.select,.textarea{width:100%;font-family:var(--font);font-size:1rem;color:var(--ink);
  padding:11px 13px;border:1px solid var(--g400);border-radius:var(--radius-sm);background:#fff;transition:.15s}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary-light);box-shadow:0 0 0 3px var(--primary-soft)}
.input-group{position:relative}
.input-group .input{padding-left:42px}
.input-group .ico{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--g500)}
.help{font-size:.8rem;color:var(--muted);margin-top:4px}

/* ===== Tables ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--g300);border-radius:var(--radius);background:#fff}
table.tbl{width:100%;border-collapse:collapse;font-size:.92rem}
.tbl th{background:var(--g100);text-align:left;padding:12px 14px;font-weight:600;color:var(--g700);border-bottom:1px solid var(--g300);white-space:nowrap}
.tbl td{padding:12px 14px;border-bottom:1px solid var(--g200)}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:var(--g100)}

/* ===== Alerts / flash ===== */
.alert{display:flex;gap:10px;align-items:flex-start;padding:13px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.92rem;border:1px solid transparent}
.alert-success{background:var(--success-soft);border-color:#bbf7d0;color:#15803d}
.alert-error,.alert-danger{background:var(--danger-soft);border-color:#fecaca;color:#b91c1c}
.alert-info{background:var(--primary-soft);border-color:#bae6fd;color:var(--primary-dark)}
.alert-warning{background:var(--warning-soft);border-color:#fde68a;color:#b45309}

/* =========================================================================
   PUBLIC (Website) — navbar / hero / footer
   ========================================================================= */
.nav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--g300)}
.nav-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px;font-weight:700;color:var(--cdti-navy);font-size:1.05rem}
.brand-logo{width:40px;height:40px;border-radius:10px;background:var(--grad-primary);display:grid;place-items:center;color:#fff;font-size:18px;flex:none}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:8px 14px;border-radius:var(--radius-sm);color:var(--g700);font-weight:500;font-size:.95rem}
.nav-links a:hover{background:var(--g200);text-decoration:none}
.nav-links a.active{color:var(--primary);background:var(--primary-soft)}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--ink);cursor:pointer}

.hero{background:var(--grad-primary);color:#fff;padding:84px 0;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero h1{color:#fff;font-size:2.5rem;margin-bottom:1rem}
.hero p{color:rgba(255,255,255,.9);font-size:1.15rem;max-width:620px}
.hero .btn-outline{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.4);color:#fff}
.hero .btn-outline:hover{background:rgba(255,255,255,.2)}

.section{padding:64px 0}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.9rem}
.section-title p{color:var(--muted)}

.feature{background:#fff;border:1px solid var(--g300);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow-sm);transition:.18s}
.feature:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.feature-ico{width:52px;height:52px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:22px;margin-bottom:14px}

.footer{background:var(--cdti-navy);color:rgba(255,255,255,.8);padding:48px 0 28px;margin-top:0}
.footer h4{color:#fff;font-size:1rem}
.footer a{color:rgba(255,255,255,.8)}
.footer a:hover{color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.15);margin-top:28px;padding-top:18px;font-size:.85rem;color:rgba(255,255,255,.6)}

/* =========================================================================
   AUTH (login) — centered card
   ========================================================================= */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px;background:var(--grad-primary)}
.auth-card{width:100%;max-width:420px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:36px 32px}
.auth-logo{width:64px;height:64px;border-radius:16px;background:var(--grad-primary);display:grid;place-items:center;color:#fff;font-size:28px;margin:0 auto 18px}

/* =========================================================================
   PANEL (admin / member) — sidebar + topbar
   ========================================================================= */
.panel{min-height:100vh;display:flex;background:var(--g100)}
.sidebar{width:var(--sidebar-w);background:var(--cdti-navy);color:#fff;flex:none;position:fixed;inset:0 auto 0 0;display:flex;flex-direction:column;z-index:50;transition:transform .2s}
.sidebar-brand{height:var(--header-h);display:flex;align-items:center;gap:10px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.12);font-weight:700}
.sidebar-nav{flex:1;overflow-y:auto;padding:14px 12px}
.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:var(--radius-sm);color:rgba(255,255,255,.82);font-size:.95rem;margin-bottom:2px}
.sidebar-nav a:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.sidebar-nav a.active{background:var(--primary);color:#fff}
.sidebar-nav a .ico{width:20px;text-align:center;flex:none}
.sidebar-section{font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:rgba(255,255,255,.45);padding:14px 14px 6px}
.main{flex:1;margin-left:var(--sidebar-w);min-width:0;display:flex;flex-direction:column}
.topbar{height:var(--header-h);background:#fff;border-bottom:1px solid var(--g300);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:30}
.topbar-title{font-weight:700;font-size:1.05rem}
.content{padding:28px 24px;flex:1}
.page-head{margin-bottom:24px}
.page-head h1{font-size:1.5rem;margin-bottom:4px}
.avatar{width:38px;height:38px;border-radius:50%;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-weight:700}
.menu-btn{display:none;background:none;border:none;font-size:22px;cursor:pointer;color:var(--ink)}
.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:45}

/* lang switch */
.lang-switch{font-size:.85rem;color:var(--g600);border:1px solid var(--g300);border-radius:999px;padding:5px 12px;background:#fff}
.lang-switch:hover{border-color:var(--primary-light)}

/* ===== Responsive ===== */
@media (max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .nav-links{position:absolute;top:var(--header-h);left:0;right:0;background:#fff;flex-direction:column;align-items:stretch;
    padding:10px;border-bottom:1px solid var(--g300);box-shadow:var(--shadow);display:none}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
  .hero h1{font-size:1.9rem}
  .hero{padding:56px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .menu-btn{display:block}
  .backdrop.open{display:block}
  .section{padding:44px 0}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .btn:hover,.feature:hover,.card-hover:hover{transform:none}
}

/* ===== Sticky footer wrapper (กัน footer ลอยเมื่อ content น้อย) ===== */
.site{display:flex;flex-direction:column;min-height:100vh}
.site > main{flex:1 0 auto}
.site > .footer{flex-shrink:0;margin-top:auto}

/* ===== Custom modal + Lottie (แทน SweetAlert) ===== */
.cmodal-overlay{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center;padding:20px;
  background:rgba(12,28,46,.55);backdrop-filter:blur(3px);animation:cmFade .16s ease}
.cmodal-overlay[hidden]{display:none}
.cmodal-card{background:#fff;border-radius:18px;box-shadow:var(--shadow-lg);width:100%;max-width:400px;
  padding:24px 26px 22px;text-align:center;animation:cmPop .22s cubic-bezier(.18,.9,.32,1.2)}
.cmodal-lottie{width:116px;height:116px;margin:0 auto 4px;overflow:hidden}
.cmodal-lottie svg{display:block;width:100% !important;height:100% !important}
.cmodal-title{font-size:1.2rem;margin:2px 0 6px}
.cmodal-text{color:var(--muted);margin-bottom:20px;line-height:1.55}
.cmodal-text:empty{display:none;margin:0}
.cmodal-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cmodal-actions .btn{min-width:108px}
body.cmodal-open{overflow:hidden}
@keyframes cmFade{from{opacity:0}to{opacity:1}}
@keyframes cmPop{from{opacity:0;transform:translateY(10px) scale(.94)}to{opacity:1;transform:none}}

/* OverlayScrollbars theme (โทน CDTI) */
.os-scrollbar{--os-size:11px;--os-handle-bg:rgba(0,66,109,.32);--os-handle-bg-hover:rgba(0,66,109,.5);--os-handle-bg-active:rgba(0,66,109,.66)}
.sidebar .os-scrollbar{--os-handle-bg:rgba(255,255,255,.28);--os-handle-bg-hover:rgba(255,255,255,.48);--os-handle-bg-active:rgba(255,255,255,.6)}

@media (prefers-reduced-motion:reduce){
  .cmodal-overlay,.cmodal-card{animation:none !important}
}

/* ===== Compact Admin/Member panels (sidebar เล็ก + ฟอนต์เล็กลง) =====
   ปรับ var --sidebar-w/--header-h เฉพาะใน .panel → ไม่กระทบเว็บไซต์สาธารณะ */
.panel{--sidebar-w:212px;--header-h:54px;font-size:13.5px}
.panel .sidebar-brand{font-size:.84rem;gap:8px;padding:0 15px}
.panel .sidebar-brand .brand-logo{width:28px;height:28px;font-size:13px}
.panel .sidebar-nav{padding:9px 8px}
.panel .sidebar-nav a{padding:7px 11px;font-size:.79rem;gap:10px;border-radius:6px;margin-bottom:1px}
.panel .sidebar-nav a .ico{width:17px;font-size:.92em}
.panel .sidebar-section{font-size:.63rem;padding:10px 11px 4px;letter-spacing:.04em}
.panel .topbar{padding:0 18px}
.panel .topbar-title{font-size:.92rem}
.panel .menu-btn{font-size:18px}
.panel .avatar{width:31px;height:31px;font-size:.82rem}
.panel .lang-switch{font-size:.76rem;padding:4px 10px}
.panel .content{padding:18px 18px}
.panel .page-head{margin-bottom:16px}
.panel .page-head h1{font-size:1.18rem}
.panel .page-head p{font-size:.82rem}
.panel .stat{padding:13px;gap:11px;border-radius:9px}
.panel .stat-ico{width:38px;height:38px;font-size:15px;border-radius:9px}
.panel .stat-num{font-size:1.28rem}
.panel .stat-label{font-size:.74rem}
.panel .card-pad{padding:17px}
.panel h3{font-size:.98rem}
.panel .tbl{font-size:.81rem}
.panel .tbl th{padding:9px 11px;font-size:.78rem}
.panel .tbl td{padding:8px 11px}
.panel .badge{font-size:.7rem;padding:2px 8px}
.panel .btn{font-size:.82rem;padding:8px 15px}
.panel .btn-sm{font-size:.75rem;padding:6px 11px}
.panel .btn-lg{font-size:.92rem;padding:11px 20px}
.panel .alert{font-size:.84rem;padding:11px 14px}
.panel .help{font-size:.74rem}
.panel .label{font-size:.84rem}
.panel .input,.panel .select,.panel .textarea{font-size:.9rem;padding:9px 12px}
.panel .grid{gap:16px}