/* tools-ui.css
   Shared UI kit for all tool pages (single source of truth)
*/

/* ========== Theme Tokens (edit these) ========== */
:root{
  /* Font families */
  --font-family-base: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  --font-family-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Font sizes (px only, as requested) */
  --font-size-page-title: 36px;
  --font-size-panel-title: 18px;
  --font-size-subtitle: 14px;
  --font-size-body: 15px;
  --font-size-small: 13px;
  --font-size-tiny: 11px;

  /* Font weights */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;

  /* Colors */
  --color-bg: #f5f5f7;
  --color-bg-highlight: #eef2ff; /* top glow */
  --color-surface: #ffffff;



  /* Surfaces (used for glassy nav / cards) */
  --surface-glass: rgba(255,255,255,0.72);
  --surface-glass-strong: rgba(255,255,255,0.96);
  --surface-glass-soft: rgba(255,255,255,0.90);
  --surface-glass-hover: rgba(255,255,255,0.86);
  --surface-chip: rgba(255,255,255,0.75);
  --surface-dashed: rgba(255,255,255,0.60);

  --color-chip-text: rgba(15,23,42,0.78);
  --color-chip-border: rgba(15,23,42,0.10);

  --color-nav-border: rgba(229,231,235,0.65);
  --color-nav-hover: rgba(243,244,246,0.90);
  --color-nav-hover-strong: rgba(243,244,246,0.95);

  --color-active-bg: rgba(224,237,255,0.85);
  --color-active-border: rgba(37,99,235,0.12);
  --color-text: #111827;
  --color-text-muted: #6b7280;
  --color-text-soft: #374151;

  --color-accent: #2563eb;
  --color-accent-soft: #e0edff;

  /* Primary (main action buttons) */
  --color-primary: #111827;
  --color-primary-hover: #0b1220;

  --color-input-bg: #f9fafb;
  --color-input-bg-focus: #ffffff;

  --color-border: #e5e7eb;
  --color-border-strong: rgba(148, 163, 184, 0.25);
  --color-focus-ring: rgba(37, 99, 235, 0.15);

  --color-danger: #ef4444;
  --color-danger-text: #7f1d1d;
  --color-danger-border: rgba(239, 68, 68, 0.35);
  --color-danger-border-hover: rgba(239, 68, 68, 0.55);

  /* Status backgrounds (URL Analyzer) */
  --status-ok-bg: #d1fae5;
  --status-warn-bg: #fef9c3;
  --status-caution-bg: #ffedd5;
  --status-danger-bg: #fee2e2;

  /* Layout */
  --container-max: 980px;
  --container-max-wide: 1140px;

  --radius-card: 20px;
  --radius-input: 14px;
  --radius-button: 14px;

  --shadow-card: 0 8px 30px rgba(2, 6, 23, 0.06);
  --shadow-nav: 0 10px 30px rgba(2, 6, 23, 0.06);

  /* Spacing */
  --space-1: 6px;
  --space-2: 10px;
  --space-3: 14px;
  --space-4: 18px;
  --space-5: 24px;
  --space-6: 32px;

  /* Navbar */
  --nav-height: 58px;
}


:root[data-theme="dark"]{
  --color-bg: #0b1220;
  --color-bg-highlight: rgba(37,99,235,0.18);
  --color-surface: #0f172a;

  --color-text: #e5e7eb;
  --color-text-muted: #9ca3af;
  --color-text-soft: #cbd5e1;

  --color-accent: #60a5fa;
  --color-accent-soft: rgba(96,165,250,0.18);

  --color-primary: #e5e7eb;
  --color-primary-hover: #ffffff;

  --color-input-bg: rgba(2,6,23,0.55);
  --color-input-bg-focus: rgba(2,6,23,0.75);

  --color-border: rgba(148,163,184,0.18);
  --color-border-strong: rgba(148, 163, 184, 0.30);
  --color-focus-ring: rgba(96,165,250,0.22);

  --color-nav-border: rgba(148,163,184,0.18);
  --color-nav-hover: rgba(148,163,184,0.14);
  --color-nav-hover-strong: rgba(148,163,184,0.18);

  --color-active-bg: rgba(96,165,250,0.16);
  --color-active-border: rgba(96,165,250,0.22);

  --surface-glass: rgba(15,23,42,0.72);
  --surface-glass-strong: rgba(15,23,42,0.92);
  --surface-glass-soft: rgba(15,23,42,0.86);
  --surface-glass-hover: rgba(15,23,42,0.88);
  --surface-chip: rgba(15,23,42,0.78);
  --surface-dashed: rgba(15,23,42,0.62);

  --color-chip-text: rgba(226,232,240,0.85);
  --color-chip-border: rgba(148,163,184,0.18);

  /* Status backgrounds (darker tints) */
  --status-ok-bg: rgba(16,185,129,0.18);
  --status-warn-bg: rgba(250,204,21,0.18);
  --status-caution-bg: rgba(251,146,60,0.18);
  --status-danger-bg: rgba(239,68,68,0.18);

  --shadow-card: 0 12px 42px rgba(0,0,0,0.35);
  --shadow-nav: 0 16px 60px rgba(0,0,0,0.45);
}

/* Let the browser style built-in controls appropriately */
:root[data-theme="dark"]{ color-scheme: dark; }
:root:not([data-theme="dark"]){ color-scheme: light; }


/* ========== Base ========== */
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: var(--font-family-base);
  font-size: var(--font-size-body);
  color: var(--color-text);
  background: radial-gradient(1200px 600px at 50% -80px, var(--color-bg-highlight), transparent 70%), var(--color-bg);
}
img{ max-width:100%; }
a{ color:inherit; text-decoration:none; }
button, input, select, textarea{ font:inherit; }

/* ========== Navbar (shared across all pages) ========== */
.site-nav{
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--nav-height);
  background: var(--surface-glass);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-nav-border);
}
.site-nav__inner{
  max-width: var(--container-max-wide);
  margin: 0 auto;
  height: 100%;
  padding: 0 var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.site-nav__brand{
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 180px;
}
.site-nav__brand img{
  height: 22px;
  width: auto;
}
.site-nav__brand-text{
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
  letter-spacing: -0.01em;
}
.site-nav__menu{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-nav__group{
  position: relative;
}
.site-nav__link{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
}
.site-nav__link:hover{
  background: var(--color-nav-hover);
  color: var(--color-text);
}
.site-nav__caret{
  font-size: 12px;
  line-height: 1;
  opacity: 0.8;
}

.site-nav__dropdown{
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 220px;
  padding: 10px;
  background: var(--surface-glass-strong);
  border: 1px solid rgba(229,231,235,0.85);
  border-radius: 16px;
  box-shadow: var(--shadow-nav);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-2px);
  transition: opacity .12s ease, transform .12s ease, visibility .12s ease;
}
.site-nav__dropdown::before{
  content: "";
  position: absolute;
  top: -12px;
  left: 0;
  right: 0;
  height: 12px;
  background: transparent;
}
.site-nav__group:hover .site-nav__dropdown,
.site-nav__group:focus-within .site-nav__dropdown{
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}
.site-nav__dropdown a{
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  color: var(--color-text-soft);
  font-weight: var(--font-weight-medium);
  background: transparent;
}
.site-nav__dropdown a:hover{
  background: var(--color-nav-hover-strong);
  color: var(--color-text);
}
.site-nav__dropdown a.is-active,
.site-nav__dropdown a[aria-current="page"],
.site-nav__link.is-active{
  background: var(--color-active-bg);
  color: var(--color-text);
  border: 1px solid var(--color-active-border);
}

/* Small screens: keep it simple (wrap menu) */
@media (max-width: 860px){
  .site-nav{ height: auto; }
  .site-nav__inner{ height:auto; padding: 10px var(--space-4); flex-wrap: wrap; }
  .site-nav__brand{ min-width: auto; }
  .site-nav__menu{ flex-wrap: wrap; justify-content: flex-start; }
}

/* ========== Page shell ========== */
.tool-page{
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-6) var(--space-5) var(--space-6);
}
.tool-page--wide{
  max-width: var(--container-max-wide);
}
.tool-page--narrow{
  max-width: 760px;
}
.tool-header{
  padding-top: 6px;
}
.tool-header h1{
  margin: 0;
  font-size: var(--font-size-page-title);
  letter-spacing: -0.03em;
}
.tool-subtitle{
  margin: 10px 0 0;
  color: var(--color-text-muted);
  font-size: var(--font-size-subtitle);
  line-height: 1.5;
}
.tool-subtitle span{
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(224,237,255,0.6);
  border: 1px solid rgba(37, 99, 235, 0.12);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
}

/* ========== Layout grid ========== */
.tool-layout{
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
.tool-layout--two-col{
  grid-template-columns: 1fr 1fr;
  align-items: start;
}
@media (max-width: 980px){
  .tool-layout--two-col{ grid-template-columns: 1fr; }
}

/* ========== Panels ========== */
.panel{
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 22px;
}
.panel-title{
  margin: 0 0 14px;
  font-size: var(--font-size-panel-title);
  letter-spacing: -0.02em;
}
.text-muted{ color: var(--color-text-muted); }
.text-muted-sm{
  color: var(--color-text-muted);
  font-size: var(--font-size-small);
}

/* ========== Forms ========== */
.form-field{ margin: 0 0 14px; }
.form-field label{
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
  margin: 0 0 8px;
}
.form-grid-2{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
@media (max-width: 700px){
  .form-grid-2{ grid-template-columns: 1fr; }
}
.form-row{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.form-row--combo{
  display: grid;
  grid-template-columns: 1fr 170px;
  gap: 12px;
}
@media (max-width: 700px){
  .form-row--combo{ grid-template-columns: 1fr; }
}

/* Inputs */
input[type="text"], input[type="datetime-local"], input[type="date"], select, textarea{
  width: 100%;
  padding: 10px 12px;
  border-radius: var(--radius-input);
  border: 1px solid var(--color-border);
  background: var(--color-input-bg);
  outline: none;
  transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
}
textarea{ min-height: 96px; resize: vertical; }
input:focus, select:focus, textarea:focus{
  background: var(--color-input-bg-focus);
  border-color: rgba(37,99,235,0.35);
  box-shadow: 0 0 0 6px var(--color-focus-ring);
}

/* Checkbox */
.checkbox{
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.checkbox input{ width: 16px; height: 16px; }

/* Buttons */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-button);
  border: 1px solid var(--color-border);
  background: var(--surface-glass-soft);
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-soft);
  transition: transform .06s ease, background .15s ease, border-color .15s ease, box-shadow .15s ease;
  user-select: none;
}
.btn:hover{
  background: var(--color-nav-hover-strong);
  color: var(--color-text);
}
.btn:active{ transform: translateY(1px); }
.btn--primary{
  border-color: rgba(17,24,39,0.25);
  background: linear-gradient(180deg, rgba(17,24,39,0.98), rgba(17,24,39,0.90));
  color: #ffffff;
  box-shadow: 0 10px 25px rgba(17,24,39,0.14);
}
.btn--primary:hover{
  background: linear-gradient(180deg, rgba(11,18,32,0.98), rgba(11,18,32,0.90));
  box-shadow: 0 14px 30px rgba(17,24,39,0.18);
  color: #ffffff;
}
.btn--secondary{
  background: var(--color-nav-hover-strong);
  border-color: rgba(17,24,39,0.10);
}
.btn--ghost{
  background: transparent;
}
.btn--danger{
  background: rgba(254,226,226,0.7);
  border-color: var(--color-danger-border);
  color: var(--color-danger-text);
}
.btn--danger:hover{ border-color: var(--color-danger-border-hover); }

/* ========== Calendar generator outputs ========== */
.result-row{
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 12px;
  align-items: center;
  margin: 0 0 12px;
}
@media (max-width: 700px){
  .result-row{ grid-template-columns: 1fr; }
}
.result-label{
  font-size: var(--font-size-small);
  color: var(--color-text-soft);
  font-weight: var(--font-weight-medium);
}
.result-input{
  font-family: var(--font-family-mono);
  font-size: var(--font-size-small);
}
.result-actions{
  display: inline-flex;
  gap: 10px;
  flex-wrap: wrap;
}
.status-text{
  margin-top: 10px;
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

/* Custom recurrence block (Calendar Links) */
.custom-recurrence{ display: none; margin-top: 12px; }
.custom-recurrence.is-visible{ display: block; }

/* ========== URL Analyzer results ========== */
.results{ margin-top: 14px; }
.metric-card{
  border: 1px solid rgba(229,231,235,0.9);
  border-radius: 16px;
  padding: 14px;
  margin-top: 12px;
  background: rgba(249,250,251,0.65);
}
.metric-title{
  font-weight: var(--font-weight-semibold);
  margin-bottom: 6px;
  color: var(--color-text-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.metric-value{
  font-family: var(--font-family-mono);
  word-break: break-all;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(229,231,235,0.95);
  background: var(--surface-glass-soft);
}
.metric-bytes{
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: var(--font-size-small);
  border: 1px solid rgba(229,231,235,0.9);
}

/* Status colors */
.status--ok{ background: var(--status-ok-bg); }
.status--warn{ background: var(--status-warn-bg); }
.status--caution{ background: var(--status-caution-bg); }
.status--danger{ background: var(--status-danger-bg); }

/* ========== Helpers ========== */
.divider{
  height: 1px;
  width: 100%;
  background: var(--color-border);
  margin: 18px 0;
}
.badge{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(224,237,255,0.6);
  border: 1px solid rgba(37, 99, 235, 0.12);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-soft);
  font-size: var(--font-size-small);
}
.sr-only{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* ===================== Dashboard ===================== */
.dashboard{
  padding: 18px;
}

.dashboard-header{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.dashboard-search{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.dashboard-search input[type="text"]{
  min-width: 280px;
}

.dashboard-section{
  margin-top: 14px;
}

.dashboard-section-title{
  font-size: var(--font-size-panel-title);
  margin: 0 0 8px;
}

.tool-list{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(290px, 1fr));
  gap: 12px;
}

.tool-item{
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border-radius: 14px;
  border: 1px solid var(--color-border);
  background: var(--surface-glass);
  min-height: 132px;
}

.tool-item:hover{
  border-color: var(--color-border-strong);
  background: var(--surface-glass-hover);
}

.tool-item-main{
  min-width: 0;
}

.tool-item-title{
  margin: 0;
  font-weight: var(--font-weight-semibold);
  color: var(--color-text);
}

.tool-item-desc{
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: var(--font-size-small);
  line-height: 1.35;
}

.tool-item-tags{
  margin-top: 8px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-tag{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: var(--font-size-tiny);
  color: var(--color-chip-text);
  border: 1px solid var(--color-chip-border);
  background: var(--surface-chip);
}

.tool-item-actions{
  margin-top: auto;
  display: flex;
  justify-content: flex-start;
  gap: 10px;
}

.no-results{
  margin-top: 12px;
  padding: 14px;
  border-radius: 14px;
  border: 1px dashed var(--color-border-strong);
  color: var(--color-muted);
  background: var(--surface-dashed);
}

/* ===================== Theme Toggle ===================== */
.theme-toggle{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 38px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--color-text-soft);
  cursor: pointer;
}

.theme-toggle:hover{
  background: var(--color-nav-hover);
  color: var(--color-text);
}

.theme-toggle:focus-visible{
  outline: none;
  box-shadow: 0 0 0 4px var(--color-focus-ring);
  border-color: var(--color-border);
}

.theme-toggle__icon{
  display: inline-flex;
  width: 18px;
  height: 18px;
}

.theme-toggle__icon svg{
  width: 18px;
  height: 18px;
  display: block;
}

.theme-toggle__label{
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-small);
}

:root[data-theme="dark"] .theme-toggle .icon-moon{ display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun{ display: block; }
:root:not([data-theme="dark"]) .theme-toggle .icon-moon{ display: block; }
:root:not([data-theme="dark"]) .theme-toggle .icon-sun{ display: none; }

/* Keep primary button text readable on hover */
.btn.btn--primary:hover,
.btn.btn--primary:focus-visible{
  color: #ffffff;
}

/* --- Subnet page additions (safe, reusable) --- */
.panel-header{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.panel-actions{
  display: inline-flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

.form-footer{
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex-wrap: wrap;
}

/* status-text currently has margin-top in the base CSS (good for blocks),
   but inside form-footer we want it inline. */
.form-footer .status-text{
  margin-top: 0;
}

/* Notice / Status box (reusable) */
.notice{
  display: block;
  padding: 0.9rem 1rem;
  border-radius: var(--radius-xl, 1rem);
  border: 1px solid var(--border, #e5e7eb);
  background: var(--card-bg, #fff);
  box-shadow: var(--shadow-soft, 0 10px 30px rgba(15,23,42,.08));
  margin: 0 0 1rem;
  font-size: var(--fs-base, 0.95rem);
  color: var(--text, #111827);
}

.notice--info{
  background: var(--info, #dbeafe);
  border-color: rgba(59,130,246,.35);
}

.notice--ok{
  background: var(--ok, #d1fae5);
  border-color: rgba(16,185,129,.35);
}

.notice--warn{
  background: var(--warn1, #fef9c3);
  border-color: rgba(234,179,8,.35);
}

.notice--danger{
  background: var(--bad, #fee2e2);
  border-color: rgba(239,68,68,.35);
}