/* ============================================
   DomainWatch.co — Modern Theme (2025)
   Dark/Light mode via CSS custom properties
   ============================================ */

:root {
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --transition-speed: 0.2s;
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.12);
}

/* Light theme */
[data-bs-theme="light"] {
  --bg-body: #f5f7fa;
  --bg-surface: #ffffff;
  --bg-surface-hover: #f8f9fb;
  --bg-nav: #ffffff;
  --bg-nav-border: #e8ecf1;
  --bg-input: #ffffff;
  --bg-code: #f0f2f5;
  --text-primary: #1a1d23;
  --text-secondary: #5a6270;
  --text-muted: #8b929e;
  --text-link: #4f6ef7;
  --border-color: #e2e6ec;
  --border-light: #eef0f4;
  --accent: #4f6ef7;
  --accent-hover: #3b5ae0;
  --accent-subtle: rgba(79,110,247,0.08);
  --danger: #e5484d;
  --danger-subtle: rgba(229,72,77,0.08);
  --success: #30a46c;
  --success-subtle: rgba(48,164,108,0.08);
  --warning: #e8930c;
  --warning-subtle: rgba(232,147,12,0.08);
  --info: #0ea5e9;
  --info-subtle: rgba(14,165,233,0.08);
  --tab-active-bg: var(--accent);
  --tab-active-text: #ffffff;
  --tab-inactive-text: var(--text-secondary);
  --table-header-bg: #f8f9fb;
  --table-stripe-bg: #fafbfc;
  --table-hover-bg: #f0f4ff;
  --badge-bg: #eef0f4;
  --badge-text: #5a6270;
  --footer-text: var(--text-muted);
}

/* Dark theme */
[data-bs-theme="dark"] {
  --bg-body: #0f1117;
  --bg-surface: #1a1d27;
  --bg-surface-hover: #222531;
  --bg-nav: #161822;
  --bg-nav-border: #2a2d3a;
  --bg-input: #1e2130;
  --bg-code: #1e2130;
  --text-primary: #e4e6eb;
  --text-secondary: #9ba1b0;
  --text-muted: #6b7280;
  --text-link: #7b93f7;
  --border-color: #2a2d3a;
  --border-light: #222536;
  --accent: #5b7bf9;
  --accent-hover: #7b93f7;
  --accent-subtle: rgba(91,123,249,0.12);
  --danger: #f87171;
  --danger-subtle: rgba(248,113,113,0.12);
  --success: #4ade80;
  --success-subtle: rgba(74,222,128,0.12);
  --warning: #fbbf24;
  --warning-subtle: rgba(251,191,36,0.12);
  --info: #38bdf8;
  --info-subtle: rgba(56,189,248,0.12);
  --tab-active-bg: var(--accent);
  --tab-active-text: #ffffff;
  --tab-inactive-text: var(--text-secondary);
  --table-header-bg: #1e2130;
  --table-stripe-bg: #161822;
  --table-hover-bg: rgba(91,123,249,0.08);
  --badge-bg: #2a2d3a;
  --badge-text: #9ba1b0;
  --footer-text: var(--text-muted);
}

/* --- Base --- */
body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--text-primary);
  transition: background-color var(--transition-speed), color var(--transition-speed);
  text-align: center;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--text-link); text-decoration: none; transition: color var(--transition-speed); }
a:hover { color: var(--accent-hover); }
a.nohover { text-decoration: none; }

h1, h2, h3, h4, h5, h6 { color: var(--text-primary); font-weight: 700; letter-spacing: -0.01em; }
h1 { font-size: 1.75rem; margin-bottom: 1.5rem; }
h3 { font-size: 1.25rem; }
p { color: var(--text-secondary); line-height: 1.65; }

code { background: var(--bg-code); padding: 0.15em 0.4em; border-radius: 4px; font-size: 0.875em; color: var(--accent); }
pre { background: var(--bg-code) !important; color: var(--text-primary) !important; border-radius: var(--radius-sm); padding: 1rem !important; }

/* --- Navbar --- */
.navbar {
  background: var(--bg-nav) !important;
  border-bottom: 1px solid var(--bg-nav-border);
  padding: 0.6rem 1rem;
  margin-bottom: 2rem;
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}
.navbar-brand {
  font-weight: 700; font-size: 1.15rem; color: var(--text-primary) !important;
  margin-left: 0; display: flex; align-items: center; gap: 0.5rem;
}
.navbar-brand:hover { color: var(--accent) !important; }
.navbar-brand i { color: var(--accent); }

.navbar-nav .nav-link {
  color: var(--text-secondary) !important; font-weight: 500; font-size: 0.9rem;
  padding: 0.5rem 0.85rem; border-radius: var(--radius-sm); transition: all var(--transition-speed);
}
.navbar-nav .nav-link:hover, .navbar-nav .nav-link.active {
  color: var(--text-primary) !important; background: var(--accent-subtle);
}
.navbar-toggler { border: 1px solid var(--border-color); padding: 0.35rem 0.6rem; }
[data-bs-theme="dark"] .navbar-toggler-icon { filter: invert(1); }

/* Theme toggle */
#theme-toggle {
  background: var(--accent-subtle); border: 1px solid var(--border-color); color: var(--text-primary);
  width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all var(--transition-speed); font-size: 1rem; padding: 0; margin-left: 0.5rem;
}
#theme-toggle:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* --- Cards --- */
.card, .dw-card {
  background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius); box-shadow: var(--shadow);
  transition: background-color var(--transition-speed), border-color var(--transition-speed);
}
.card-header { background: transparent; border-bottom: 1px solid var(--border-color); padding: 1.25rem 1.5rem; }
.card-header h4 { margin: 0; font-size: 1.1rem; }
.card-body { padding: 1.5rem; }

/* --- Segmented Control / Domain tabs --- */
.domain-tabs {
  display: inline-flex; background: var(--bg-surface); border: 1px solid var(--border-color);
  border-radius: var(--radius); padding: 4px; gap: 2px; box-shadow: var(--shadow); flex-wrap: wrap;
}
.domain-tabs a {
  display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1rem;
  border-radius: calc(var(--radius) - 4px); font-size: 0.875rem; font-weight: 600;
  text-decoration: none; color: var(--tab-inactive-text); background: transparent;
  border: none; transition: all var(--transition-speed); white-space: nowrap;
}
.domain-tabs a:hover { background: var(--accent-subtle); color: var(--text-primary); }
.domain-tabs a.active { background: var(--tab-active-bg); color: var(--tab-active-text); box-shadow: 0 1px 3px rgba(0,0,0,0.15); }

/* --- Tables --- */
.table { color: var(--text-primary); border-color: var(--border-light); }
.table th {
  background: var(--table-header-bg) !important; color: var(--text-secondary) !important;
  font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border-color) !important; padding: 0.85rem 1rem;
}
.table td { color: var(--text-primary) !important; padding: 0.85rem 1rem; border-bottom: 1px solid var(--border-light); vertical-align: middle; }
.table-striped > tbody > tr:nth-of-type(odd) > td { background-color: var(--table-stripe-bg); }
.table-hover > tbody > tr:hover > td { background-color: var(--table-hover-bg); }

/* DataTables overrides */
.dataTables_wrapper { color: var(--text-secondary); }
.dataTables_length, .dataTables_info { text-align: left; color: var(--text-secondary) !important; font-size: 0.875rem; }
.dataTables_filter label, .dataTables_length label { color: var(--text-secondary) !important; }
.dataTables_filter input, .dataTables_length select {
  background: var(--bg-input) !important; color: var(--text-primary) !important;
  border: 1px solid var(--border-color) !important; border-radius: var(--radius-sm); padding: 0.35rem 0.65rem;
}
.dataTables_paginate .paginate_button {
  color: var(--text-secondary) !important; border: 1px solid var(--border-color) !important;
  border-radius: var(--radius-sm) !important; background: var(--bg-surface) !important; margin: 0 2px;
}
.dataTables_paginate .paginate_button:hover { background: var(--accent-subtle) !important; color: var(--accent) !important; border-color: var(--accent) !important; }
.dataTables_paginate .paginate_button.current { background: var(--accent) !important; color: #fff !important; border-color: var(--accent) !important; }
.dataTables_paginate .paginate_button.disabled { opacity: 0.4; }
div.dataTables_wrapper div.dataTables_info { color: var(--text-muted) !important; }

/* --- Buttons --- */
.btn {
  font-weight: 600; font-size: 0.875rem; border-radius: var(--radius-sm);
  padding: 0.5rem 1rem; transition: all var(--transition-speed);
  display: inline-flex; align-items: center; gap: 0.35rem; border: none;
}
.btn b { font-weight: 600; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-danger { background: var(--danger-subtle); color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning-subtle); color: var(--warning); }
.btn-warning:hover { background: var(--warning); color: #fff; }
.btn-success { background: var(--success-subtle); color: var(--success); }
.btn-success:hover { background: var(--success); color: #fff; }
.btn-info { background: var(--info-subtle); color: var(--info); }
.btn-info:hover { background: var(--info); color: #fff; }
.btn-secondary { background: var(--badge-bg); color: var(--text-secondary); }
.btn-secondary:hover { background: var(--border-color); color: var(--text-primary); }
.btn-outline-info { border: 1px solid var(--info); color: var(--info); background: transparent; }
.btn-outline-info:hover { background: var(--info); color: #fff; }
td .btn { font-size: 0.8rem; padding: 0.35rem 0.75rem; }

/* --- Forms --- */
.form-control, .form-select {
  background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border-color);
  border-radius: var(--radius-sm); padding: 0.6rem 0.85rem; font-size: 0.9rem;
  transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}
.form-control:focus, .form-select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-subtle); background: var(--bg-input); color: var(--text-primary); }
.form-control::placeholder { color: var(--text-muted); }
label, .form-label, .form-check-label { color: var(--text-secondary); font-weight: 500; font-size: 0.875rem; margin-bottom: 0.35rem; }
.form-check-input { background-color: var(--bg-input); border-color: var(--border-color); }
.form-check-input:checked { background-color: var(--accent); border-color: var(--accent); }
textarea.form-control { min-height: 200px; }

/* Auth form card */
.auth-card {
  background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius);
  box-shadow: var(--shadow-lg); padding: 2.5rem; max-width: 440px; margin: 2rem auto; text-align: left;
}
.auth-card h1 { font-size: 1.5rem; text-align: center; margin-bottom: 1.5rem; }
.auth-card .btn { width: 100%; justify-content: center; padding: 0.65rem; font-size: 0.95rem; margin-top: 0.5rem; }
.auth-card .form-group, .auth-card .fs-div { margin-bottom: 1rem; }
.auth-card ul { list-style-type: none; padding-left: 0; }
.auth-card ul li { color: var(--danger); font-size: 0.85rem; }
.auth-links { text-align: center; margin-top: 1.25rem; font-size: 0.85rem; color: var(--text-muted); }
.auth-links a { color: var(--text-link); font-weight: 500; }
.auth-links a:hover { color: var(--accent-hover); }

/* Add domain form card */
.add-domain-card {
  background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 2rem; max-width: 560px; margin: 0 auto; text-align: left;
}
.add-domain-card h1 { text-align: center; margin-bottom: 1.5rem; }

/* TLD chips */
.tld-grid { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.75rem 0 1.25rem; }
.tld-chip { position: relative; }
.tld-chip input[type="checkbox"] { position: absolute; opacity: 0; pointer-events: none; }
.tld-chip label {
  display: inline-block; padding: 0.4rem 1rem; border: 1px solid var(--border-color);
  border-radius: 2rem; font-size: 0.85rem; font-weight: 600; color: var(--text-secondary);
  background: var(--bg-surface); cursor: pointer; transition: all var(--transition-speed); user-select: none;
}
.tld-chip input:checked + label { background: var(--accent); color: #fff; border-color: var(--accent); }
.tld-chip label:hover { border-color: var(--accent); color: var(--accent); }

/* --- Domain header row --- */
.domain-header { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; margin-bottom: 1.5rem; }

/* --- Badges --- */
.badge { font-weight: 600; font-size: 0.75rem; padding: 0.3em 0.65em; border-radius: 2rem; }
.badge.bg-success { background: var(--success) !important; }
.badge.bg-danger { background: var(--danger) !important; }
.badge.bg-info { background: var(--info) !important; }
.badge.bg-secondary { background: var(--badge-bg) !important; color: var(--badge-text) !important; }

/* --- Footer --- */
footer.page-footer { margin-top: 3rem; padding: 1.5rem 0; color: var(--footer-text); font-size: 0.8rem; border-top: 1px solid var(--border-light); }
footer a { color: var(--text-muted); }
footer a:hover { color: var(--accent); }

/* --- Landing page --- */
.landing-hero { padding: 3rem 0 2rem; }
.landing-hero h1 { font-size: 2.25rem; font-weight: 800; letter-spacing: -0.02em; margin-bottom: 1rem; }
.landing-hero p.lead { font-size: 1.1rem; color: var(--text-secondary); max-width: 600px; margin: 0 auto 2rem; line-height: 1.6; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.5rem; text-align: left; margin: 2rem 0; }
.feature-card {
  background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius);
  padding: 1.5rem; transition: all var(--transition-speed);
}
.feature-card:hover { box-shadow: var(--shadow-lg); border-color: var(--accent); }
.feature-card h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.feature-card p { font-size: 0.875rem; margin: 0; }
.feature-icon {
  width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center;
  justify-content: center; font-size: 1.1rem; margin-bottom: 0.75rem;
}

/* --- Docs --- */
.docs-content { text-align: left; max-width: 800px; margin: 0 auto; }
.docs-content ol { padding-left: 1.5rem; }
.docs-content ol li { margin-bottom: 1.25rem; }
.docs-content blockquote { border-left: 3px solid var(--accent); padding-left: 1.25rem; margin: 1rem 0; }
.docs-content img { max-width: 100%; border-radius: var(--radius-sm); border: 1px solid var(--border-color); margin: 0.75rem 0; }

/* --- Table card wrapper --- */
.table-card {
  background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 1.5rem; overflow-x: auto;
}

/* --- Dark theme Bootstrap overrides --- */
[data-bs-theme="dark"] .table-dark { --bs-table-bg: var(--bg-surface); --bs-table-border-color: var(--border-color); }
[data-bs-theme="dark"] .bg-dark { background-color: var(--bg-surface) !important; }
[data-bs-theme="dark"] .bg-secondary { background-color: var(--bg-code) !important; }
[data-bs-theme="dark"] .text-white { color: var(--text-primary) !important; }

/* --- Responsive --- */
@media (max-width: 768px) {
  .domain-header { flex-direction: column; align-items: stretch; }
  .domain-tabs { justify-content: center; }
  .domain-tabs a { font-size: 0.8rem; padding: 0.4rem 0.75rem; }
  h1 { font-size: 1.4rem; }
  .landing-hero h1 { font-size: 1.75rem; }
  .auth-card { margin: 1rem; padding: 1.75rem; }
  .add-domain-card { margin: 0 1rem; padding: 1.5rem; }
  td .btn { font-size: 0.75rem; padding: 0.3rem 0.5rem; }
}