/* ==========================================================================
   Hostcloud DDNS — Theme
   Paleta: negro / blanco / verde / gris + ámbar como acento funcional
   Tipografía: Space Grotesk (display) · Inter (UI) · JetBrains Mono (datos)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root{
  --black:#0B0D0C;
  --white:#FFFFFF;
  --pure-white:#FFFFFF; /* always literal white — never swapped by dark mode */
  --off-white:#F6F8F6;

  --green:#14A76C;
  --green-deep:#0E7A50;
  --green-tint:#E6F5EE;

  --gray-900:#1B1E1C;
  --gray-700:#4B514D;
  --gray-500:#7C837E;
  --gray-300:#DCE0DC;
  --gray-150:#EEF1EE;

  --amber:#E39A2E;
  --amber-tint:#FCF0DA;

  --danger:#C24A3F;
  --danger-tint:#F8E9E7;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'JetBrains Mono', monospace;

  --radius-lg:14px;
  --radius:10px;
  --radius-sm:7px;

  --shadow-card:0 1px 2px rgba(11,13,12,.05), 0 8px 24px -16px rgba(11,13,12,.12);
  --shadow-pop:0 12px 32px -12px rgba(11,13,12,.28);
}

/* ---------- Dark mode ----------
   Uses Bootstrap's native [data-bs-theme="dark"] attribute (set on <html>)
   so Bootstrap's own components (form-control, table, etc.) repaint too —
   not just our custom classes. We swap our tokens on the same selector,
   then re-assert background+text together on every custom component so
   nothing is left depending on inheritance alone. */

[data-bs-theme="dark"]{
  color-scheme:dark;

  --off-white:#0F1110;
  --white:#181B19;
  --black:#000000;

  --gray-900:#F0F2F0;
  --gray-700:#B7BDB8;
  --gray-500:#8B928D;
  --gray-300:#2E322F;
  --gray-150:#202422;

  --green-tint:#0F2B22;
  --amber-tint:#2C2313;
  --danger-tint:#301E1B;

  --shadow-card:0 1px 2px rgba(0,0,0,.4), 0 8px 24px -16px rgba(0,0,0,.5);
}

[data-bs-theme="dark"] body{
  background:var(--off-white);
  color:var(--gray-900);
}

/* Surfaces */
[data-bs-theme="dark"] .panel,
[data-bs-theme="dark"] .stat-card,
[data-bs-theme="dark"] .status-chip{
  background:var(--white);
  border-color:var(--gray-300);
  color:var(--gray-900);
}

/* Text that lives on those surfaces */
[data-bs-theme="dark"] .panel-title,
[data-bs-theme="dark"] .stat-value,
[data-bs-theme="dark"] .topbar h1,
[data-bs-theme="dark"] .empty-state .font-display{
  color:var(--gray-900);
}
[data-bs-theme="dark"] .stat-label,
[data-bs-theme="dark"] .topbar .subtitle,
[data-bs-theme="dark"] .panel-title .count,
[data-bs-theme="dark"] .empty-state,
[data-bs-theme="dark"] .cell-time{
  color:var(--gray-500);
}

/* Table */
[data-bs-theme="dark"] .table-hosts thead th{
  color:var(--gray-500);
  border-bottom-color:var(--gray-300);
}
[data-bs-theme="dark"] .table-hosts tbody td{
  color:var(--gray-900);
  background:transparent;
  border-bottom-color:var(--gray-150);
}
[data-bs-theme="dark"] .table-hosts tbody tr:hover{
  background:var(--off-white);
}
[data-bs-theme="dark"] .cell-ip,
[data-bs-theme="dark"] .cell-interval{ color:var(--gray-700); }
[data-bs-theme="dark"] .interval-field .unit-label{ color:var(--gray-500); }

/* Inputs — this is the one that was rendering as a white square */
[data-bs-theme="dark"] .form-control{
  background-color:var(--off-white);
  border-color:var(--gray-300);
  color:var(--gray-900);
}
[data-bs-theme="dark"] .form-control::placeholder{ color:var(--gray-500); }
[data-bs-theme="dark"] .form-control:focus{
  background-color:var(--off-white);
  color:var(--gray-900);
}

/* Icon buttons */
[data-bs-theme="dark"] .btn-icon{
  background:var(--white);
  border-color:var(--gray-300);
  color:var(--gray-700);
}
[data-bs-theme="dark"] .btn-outline-dark-custom{
  border-color:var(--gray-300);
  color:var(--gray-900);
}
[data-bs-theme="dark"] .btn-outline-dark-custom:hover{ background:var(--gray-150); }

/* Stat icon chips */
[data-bs-theme="dark"] .stat-icon.i-total,
[data-bs-theme="dark"] .stat-icon.i-offline{
  background:var(--gray-150);
  color:var(--gray-700);
}

/* Status pills */
[data-bs-theme="dark"] .status-pill.is-offline{
  background:var(--gray-150);
  color:var(--gray-700);
}

*{ box-sizing:border-box; }

body{
  background:var(--off-white);
  color:var(--gray-900);
  font-family:var(--font-body);
  transition:background .2s ease, color .2s ease;
}

h1,h2,h3,h4,.font-display{
  font-family:var(--font-display);
  letter-spacing:-.01em;
}

.text-mono, .mono{ font-family:var(--font-mono); }

a{ text-decoration:none; }

::selection{ background:var(--green); color:var(--white); }

/* Focus ring uses the amber accent — the one job it has everywhere */
a:focus-visible, button:focus-visible, .form-control:focus-visible,
.form-control:focus{
  outline:none;
  box-shadow:0 0 0 3px rgba(227,154,46,.35) !important;
  border-color:var(--amber) !important;
}

/* ==========================================================================
   Layout shell
   ========================================================================== */

.app-shell{ min-height:100vh; }

.sidebar{
  background:var(--black);
  color:var(--pure-white);
  min-height:100vh;
  padding:28px 20px;
  display:flex;
  flex-direction:column;
}

.sidebar-logo{
  width:100%;
  max-width:150px;
  height:auto;
  display:block;
  margin:4px auto 30px auto;
}

.sidebar-nav{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin-top:8px;
}

.nav-link-custom{
  display:flex;
  align-items:center;
  gap:12px;
  color:var(--pure-white);
  opacity:.8;
  font-size:14.5px;
  font-weight:500;
  padding:10px 12px;
  border-radius:var(--radius-sm);
  border-left:2px solid transparent;
  transition:background .15s ease, opacity .15s ease, border-color .15s ease;
}

.nav-link-custom svg{ flex:0 0 auto; }

.nav-link-custom:hover{
  opacity:1;
  background:rgba(255,255,255,.08);
}

.nav-link-custom.active{
  opacity:1;
  background:rgba(20,167,108,.2);
  border-left-color:var(--green);
}

.sidebar-footer{
  margin-top:auto;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.1);
  font-family:var(--font-mono);
  font-size:11px;
  color:rgba(255,255,255,.4);
  letter-spacing:.02em;
}

.main-content{
  padding:28px 24px 40px;
}

/* ---------- Topbar ---------- */

.topbar{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:26px;
}

.topbar h1{
  font-size:26px;
  font-weight:700;
  margin:0 0 4px;
  color:var(--gray-900);
}

.topbar .subtitle{
  color:var(--gray-500);
  font-size:14px;
  margin:0;
}

.status-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--white);
  border:1px solid var(--gray-300);
  border-radius:999px;
  padding:7px 14px 7px 10px;
  font-size:12.5px;
  font-weight:600;
  color:var(--gray-700);
  box-shadow:var(--shadow-card);
}

/* ==========================================================================
   Pulse dot — the signature element
   ========================================================================== */

.pulse-dot{
  position:relative;
  display:inline-block;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--green);
  flex:0 0 auto;
}

.pulse-dot::after{
  content:"";
  position:absolute;
  inset:0;
  border-radius:50%;
  background:var(--green);
  animation:pulse-ring 1.8s cubic-bezier(0.4,0,0.6,1) infinite;
}

.pulse-dot.dim{ background:var(--gray-500); }
.pulse-dot.dim::after{ display:none; }

@keyframes pulse-ring{
  0%   { transform:scale(1);   opacity:.55; }
  75%  { transform:scale(2.6); opacity:0; }
  100% { transform:scale(2.6); opacity:0; }
}

@media (prefers-reduced-motion: reduce){
  .pulse-dot::after{ animation:none; display:none; }
}

/* ==========================================================================
   Stat cards
   ========================================================================== */

.stat-card{
  background:var(--white);
  border:1px solid var(--gray-300);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:18px 18px 16px;
  height:100%;
  display:flex;
  flex-direction:column;
  gap:14px;
}

.stat-icon{
  width:36px;
  height:36px;
  border-radius:var(--radius-sm);
  display:flex;
  align-items:center;
  justify-content:center;
}

.stat-icon.i-total{ background:var(--gray-150); color:var(--gray-700); }
.stat-icon.i-online{ background:var(--green-tint); color:var(--green-deep); }
.stat-icon.i-offline{ background:var(--gray-150); color:var(--gray-700); }
.stat-icon.i-changes{ background:var(--amber-tint); color:var(--amber); }

.stat-label{
  font-size:12.5px;
  font-weight:600;
  color:var(--gray-500);
  text-transform:uppercase;
  letter-spacing:.05em;
  margin-bottom:2px;
}

.stat-value{
  font-family:var(--font-display);
  font-size:30px;
  font-weight:700;
  line-height:1;
  color:var(--gray-900);
}

.stat-value.text-green{ color:var(--green-deep); }
.stat-value.text-amber{ color:var(--amber); }

/* ==========================================================================
   Cards / panels
   ========================================================================== */

.panel{
  background:var(--white);
  border:1px solid var(--gray-300);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-card);
  padding:22px;
}

.panel + .panel{ margin-top:20px; }

.panel-header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}

.panel-title{
  font-size:15px;
  font-weight:700;
  color:var(--gray-900);
  margin:0;
}

.panel-title .count{
  font-family:var(--font-mono);
  font-weight:500;
  color:var(--gray-500);
  font-size:13px;
  margin-left:6px;
}

/* ---------- Create host form ---------- */

.create-row{ display:flex; flex-direction:column; gap:10px; }
@media (min-width:768px){ .create-row{ flex-direction:row; } }

/* ==========================================================================
   Form controls
   ========================================================================== */

.form-control{
  background:var(--off-white);
  border:1px solid var(--gray-300);
  color:var(--gray-900);
  border-radius:var(--radius-sm);
  font-size:14px;
  padding:10px 12px;
}

.form-control::placeholder{ color:var(--gray-500); }

.form-control.mono-input{ font-family:var(--font-mono); font-size:13.5px; }

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn{
  font-family:var(--font-body);
  font-weight:600;
  font-size:14px;
  border-radius:var(--radius-sm);
  padding:10px 18px;
  border:1px solid transparent;
  transition:transform .1s ease, background .15s ease, border-color .15s ease, color .15s ease;
}

.btn:active{ transform:translateY(1px); }

.btn-primary-green{
  background:var(--green);
  border-color:var(--green);
  color:var(--pure-white);
}
.btn-primary-green:hover{ background:var(--green-deep); border-color:var(--green-deep); color:var(--pure-white); }

.btn-outline-dark-custom{
  background:transparent;
  border-color:var(--gray-300);
  color:var(--gray-900);
}
.btn-outline-dark-custom:hover{ background:var(--gray-150); color:var(--gray-900); }

.btn-icon{
  width:34px;
  height:34px;
  padding:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--white);
  border-color:var(--gray-300);
  color:var(--gray-700);
}
.btn-icon:hover{ background:var(--gray-150); }

.btn-icon.btn-confirm:hover{ color:var(--green-deep); border-color:var(--green); background:var(--green-tint); }
.btn-icon.btn-delete:hover{ color:var(--danger); border-color:var(--danger); background:var(--danger-tint); }

/* ==========================================================================
   Table
   ========================================================================== */

.table-responsive{ overflow-x:auto; }

.table-hosts{ margin:0; }

.table-hosts thead th{
  font-size:11.5px;
  font-weight:700;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--gray-500);
  border-bottom:1px solid var(--gray-300);
  padding:0 12px 12px;
  background:transparent;
  white-space:nowrap;
}

.table-hosts tbody td{
  padding:14px 12px;
  border-bottom:1px solid var(--gray-150);
  vertical-align:middle;
  font-size:14px;
  color:var(--gray-900);
}

.table-hosts tbody tr:last-child td{ border-bottom:none; }
.table-hosts tbody tr:hover{ background:var(--off-white); }

.cell-host{ font-family:var(--font-mono); font-weight:600; font-size:13.5px; }
.cell-ip{ font-family:var(--font-mono); font-size:13.5px; color:var(--gray-700); }
.cell-time{ font-family:var(--font-mono); font-size:12.5px; color:var(--gray-500); }

.row-actions{ display:flex; align-items:center; gap:8px; flex-wrap:wrap; }
.row-actions .form-control{ min-width:140px; }

.interval-field{
  display:flex;
  align-items:center;
  gap:6px;
}
.interval-field .interval-input{
  min-width:72px;
  width:72px;
  text-align:right;
  -moz-appearance:textfield;
}
.interval-field .interval-input::-webkit-outer-spin-button,
.interval-field .interval-input::-webkit-inner-spin-button{
  -webkit-appearance:none;
  margin:0;
}
.interval-field .unit-label{
  font-family:var(--font-mono);
  font-size:12px;
  color:var(--gray-500);
}

.cell-interval{
  font-family:var(--font-mono);
  font-size:12.5px;
  color:var(--gray-700);
}

/* ---------- Status pills ---------- */

.status-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:5px 11px;
  border-radius:999px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}

.status-pill.is-online{ background:var(--green-tint); color:var(--green-deep); }
.status-pill.is-offline{ background:var(--gray-150); color:var(--gray-700); }

/* ---------- Empty state ---------- */

.empty-state{
  text-align:center;
  padding:48px 20px;
  color:var(--gray-500);
}
.empty-state .font-display{ color:var(--gray-700); font-size:16px; margin-bottom:4px; }

/* ==========================================================================
   Login page
   ========================================================================== */

.login-shell{
  min-height:100vh;
  display:flex;
}

.login-brand{
  display:none;
  flex-direction:column;
  justify-content:space-between;
  background:var(--black);
  color:var(--pure-white);
  padding:56px 52px;
  width:46%;
  position:relative;
  overflow:hidden;
}

@media (min-width:900px){ .login-brand{ display:flex; } }

.login-brand::before{
  content:"";
  position:absolute;
  right:-120px;
  top:-120px;
  width:320px;
  height:320px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(20,167,108,.35), transparent 70%);
}

.login-brand-logo{ width:130px; height:auto; position:relative; z-index:1; }

.login-tagline{
  font-family:var(--font-display);
  font-size:30px;
  font-weight:600;
  line-height:1.25;
  max-width:380px;
  position:relative;
  z-index:1;
}

.login-tagline .accent{ color:var(--green); }

.login-features{
  list-style:none;
  padding:0;
  margin:26px 0 0;
  display:flex;
  flex-direction:column;
  gap:12px;
  position:relative;
  z-index:1;
}

.login-features li{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:rgba(255,255,255,.75);
  font-family:var(--font-mono);
}

.login-brand-footer{
  font-family:var(--font-mono);
  font-size:11.5px;
  color:rgba(255,255,255,.4);
  position:relative;
  z-index:1;
}

.login-form-side{
  flex:1;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--off-white);
  padding:32px 20px;
}

.login-card{
  width:100%;
  max-width:380px;
}

.login-card .mobile-logo{
  display:block;
  width:120px;
  margin:0 auto 26px;
}
@media (min-width:900px){ .login-card .mobile-logo{ display:none; } }

.login-card h3{
  font-size:24px;
  font-weight:700;
  margin-bottom:2px;
  color:var(--gray-900);
}

.login-card .lead-sub{
  color:var(--gray-500);
  font-size:14px;
  margin-bottom:26px;
}

.login-field-label{
  font-size:12.5px;
  font-weight:600;
  color:var(--gray-700);
  margin-bottom:6px;
  display:block;
}

.btn-login{
  width:100%;
  background:var(--green);
  border-color:var(--green);
  color:var(--pure-white);
  padding:12px;
  font-size:14.5px;
  margin-top:6px;
}
.btn-login:hover{ background:var(--green-deep); border-color:var(--green-deep); color:var(--pure-white); }

.login-alert{
  background:var(--danger-tint);
  color:var(--danger);
  border:1px solid rgba(194,74,63,.25);
  border-radius:var(--radius-sm);
  padding:11px 14px;
  font-size:13.5px;
  font-weight:500;
  margin-bottom:18px;
}

/* ==========================================================================
   Responsive tweaks
   ========================================================================== */

@media (max-width:991px){
  .sidebar{
    min-height:auto;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:14px 18px;
  }
  .sidebar-logo{ margin:0; max-width:110px; }
  .sidebar-nav{ flex-direction:row; gap:4px; margin-top:0; }
  .nav-link-custom span{ display:none; }
  .nav-link-custom{ border-left:none; border-bottom:2px solid transparent; padding:8px; }
  .nav-link-custom.active{ border-bottom-color:var(--green); }
  .sidebar-footer{ display:none; }
  .main-content{ padding:20px 16px 32px; }
}

/* Input group — sufijo de dominio en "Crear host" */
.input-group .input-group-text{
  background:var(--gray-150);
  border:1px solid var(--gray-300);
  border-left:none;
  color:var(--gray-500);
  font-size:13.5px;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}

.input-group .form-control{
  border-radius:var(--radius-sm) 0 0 var(--radius-sm);
}

[data-bs-theme="dark"] .input-group .input-group-text{
  background:var(--gray-150);
  border-color:var(--gray-300);
  color:var(--gray-500);
}
