/* uhrstyle.css — TimeNL Publieke NTP-dienst
 * Merges former style.css and uhr.css
 * Partly vibe coded with several models, including ChatGPT, Gemini and Claude
 * SIDN Labs — M. Davids
 * Version: 20260616-01 (https://time.nl/)
 *
 */

@font-face {
    font-family: "Milo Serif";
    font-display: block;
    font-style: normal;
    font-weight: 400;
    src: url(/fonts/MiloSerifWeb.woff) format("woff")
}

@font-face {
    font-family: "Milo Sans";
    font-display: block;
    font-style: normal;
    font-weight: 500;
    src: url(/fonts/MiloWeb-Medium.woff) format("woff")
}

/* --- Design tokens --------------------------------------------- */
:root {
    --teal:        #22abaa;
    --teal-dark:   #1a8887;
    --teal-dim:    rgba(34,171,170,.15);
    --teal-light:  #e6f5f5;
    --teal-deep:   #156e6d;
    --navy:        #002154;
    --accent:      #2da9cb;
    --text:        #2e3a40;
    --text-muted:  #5e7070;
    --bg:          #f0f4f4;
    --surface:     #ffffff;
    --border:      #d8e4e4;
    --radius:      10px;
    --radius-lg:   16px;
    --shadow-sm:   0 1px 4px rgba(0,60,60,.08);
    --shadow-md:   0 4px 20px rgba(0,60,60,.12);
    --shadow-lg:   0 10px 48px rgba(0,60,60,.16);
    --transition:  .22s cubic-bezier(.4,0,.2,1);
    --dot-color:   rgba(34,171,170,.12);
}

/* --- Base ------------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
    background-color: var(--bg);
    background-image: radial-gradient(var(--dot-color) 1px, transparent 1px);
    background-size: 22px 22px;
    color: var(--text);
    font-family: "Milo Serif", Georgia, serif;
    font-size: 18px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

li { font-family: "Milo Serif", Georgia, serif; }

h1, h2, h3, h4 {
    font-family: "Milo Sans", sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--navy);
    letter-spacing: -.02em;
}

h1 { font-size: 1.75rem; margin-top: 0; padding: 0 0 .25rem; }

h3 {
    font-size: 1.15rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding: 0;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--text-muted);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: .45em;
}
h3::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
    margin-left: .25em;
}

p {
    font-family: "Milo Serif", Georgia, serif;
    font-size: 1.05rem;
    line-height: 1.65;
    margin: 0 0 1.25rem;
}

/* --- Navbar ---------------------------------------------------- */
.navbar {
    background-color: rgba(255,255,255,.92) !important;
    border-bottom: 1px solid var(--border);
    padding: .7rem 1.5rem;
    box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.navbar-brand {
    color: var(--teal) !important;
    font-size: 1.35rem;
    transition: color var(--transition), transform var(--transition);
    display: inline-block;
}
.navbar-brand:hover {
    color: var(--teal-dark) !important;
    transform: scale(1.1);
}

/* Language switcher */
.nav-lang {
    margin-left: auto;
    font-size: .88rem;
    font-family: "Milo Sans", sans-serif;
    color: var(--text-muted) !important;
    transition: color var(--transition);
    padding: .35rem .65rem !important;
    border-radius: 6px;
    text-decoration: none;
    border-bottom: none !important;
}
.nav-lang:hover {
    color: var(--teal-dark) !important;
    background-color: var(--teal-dim);
}

.nav-link {
    color: var(--text-muted) !important;
    font-weight: 500;
    font-size: .9rem;
    font-family: 'Milo Sans', sans-serif;
    letter-spacing: .04em;
    text-transform: uppercase;
    transition: color var(--transition), background var(--transition);
    padding: .35rem .85rem !important;
    border-radius: 6px;
}
.nav-link:hover {
    color: var(--teal-dark) !important;
    background-color: var(--teal-dim);
}

/* --- Hero ------------------------------------------------------ */
.jumbotron#customtron {
    background:
        radial-gradient(ellipse 70% 90% at 85% 15%, rgba(255,255,255,.08) 0%, transparent 55%),
        radial-gradient(ellipse 50% 60% at 10% 85%, rgba(0,0,0,.12) 0%, transparent 50%),
        linear-gradient(160deg, var(--teal-deep) 0%, var(--teal) 60%, #29c8c7 100%);
    color: #fff;
    text-align: center;
    width: 100%;
    margin-bottom: 0;
    padding: 3.75rem 1.5rem 3.25rem;
    position: relative;
    overflow: hidden;
    border-radius: 0;
}

/* Subtle grid lines in hero — clock-face nod */
.jumbotron#customtron::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
}

.jumbotron#customtron::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom right, transparent 49%, var(--bg) 50%);
    pointer-events: none;
}

p#customtron1 {
    font-family: "Milo Sans", sans-serif;
    font-size: clamp(3rem, 9vw, 5.5rem);
    font-weight: 700;
    letter-spacing: -.04em;
    line-height: 1;
    height: auto;
    margin-bottom: .4rem;
    position: relative;
}

p#customtron2 {
    font-size: clamp(.85rem, 2vw, 1.1rem);
    font-family: "Milo Sans", sans-serif;
    font-weight: 500;
    opacity: .7;
    letter-spacing: .18em;
    text-transform: uppercase;
    position: relative;
    margin-bottom: 2rem;
}

/* Clock logo in hero */
.clocklogo {
    display: block;
    color: #fff;
    text-align: center;
    border-radius: 50%;
    margin: 0 auto 1.35rem;
    position: relative;
}
.clocklogo-outline {
    background-color: rgba(255,255,255,.08);
    border: 1.5px solid rgba(255,255,255,.3);
    backdrop-filter: blur(6px);
}
.clocklogo-lg {
    width: 88px;
    height: 88px;
    font-size: 46px;
    line-height: 88px;
}

/* --- Hero button ----------------------------------------------- */
.btn-hero {
    background-color: transparent;
    border: 1.5px solid rgba(255,255,255,.55);
    color: #fff !important;
    border-radius: var(--radius) !important;
    font-family: "Milo Sans", sans-serif;
    font-weight: 600;
    font-size: .88rem;
    letter-spacing: .07em;
    text-transform: uppercase;
    padding: .6rem 1.6rem;
    transition: all var(--transition);
    position: relative;
    cursor: pointer;
}
.btn-hero:hover {
    background-color: #fff;
    color: var(--teal-deep) !important;
    border-color: #fff;
    box-shadow: 0 6px 24px rgba(0,0,0,.25);
    transform: translateY(-2px);
}

/* --- Dutch flag ribbon ----------------------------------------- */
img#flagribbon {
    position: absolute;
    top: 0;
    right: 0;
    z-index: 200;
    width: 120px;
    pointer-events: none;
}
@media (max-width: 576px) {
    img#flagribbon { width: 80px; }
}

/* --- Main content ---------------------------------------------- */
.main-content {
    padding-top: 2.75rem;
    padding-bottom: 3rem;
}

/* --- Intro card ------------------------------------------------ */
.intro-card {
    background: var(--surface);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-md);
    padding: 1.5rem 1.75rem;
    margin-bottom: 1.75rem;
}
.intro-card p { margin: 0; }

/* --- Alert boxes ----------------------------------------------- */
.alert {
    font-family: "Milo Sans", sans-serif;
    font-size: .98rem;
    line-height: 1.55;
    border-radius: var(--radius);
    border: none;
    margin-bottom: 1.25rem;
}
.alert-warning {
    background: #fffbeb;
    border-left: 4px solid #f59e0b;
    color: #78350f;
}
.alert-info {
    background: #eff8ff;
    border-left: 4px solid var(--accent);
    color: #0c4a6e;
}
.alert-success {
    background: #f0fdf4;
    border-left: 4px solid #22c55e;
    color: #14532d;
}
.alert-dark {
    background: var(--surface);
    border-left: 4px solid var(--border);
    color: var(--text);
}
/* Bootstrap 5 close button inside alert */
.alert .btn-close { opacity: .5; }
.alert .btn-close:hover { opacity: 1; }

/* --- Collapsible setup sections -------------------------------- */
/* Each section (howto / FAQ / background) has its own group     */
.collapse-group {
    margin-bottom: 1.75rem;
}
.btn-accordion {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius) !important;
    color: var(--navy);
    font-family: "Milo Sans", sans-serif;
    font-weight: 600;
    font-size: .92rem;
    padding: .65rem 1rem;
    text-align: left;
    transition: all var(--transition);
    display: flex;
    align-items: center;
    gap: .5em;
    cursor: pointer;
    width: 100%;
    margin-bottom: .45rem;
}
.btn-accordion:hover {
    background: var(--teal-light);
    border-color: var(--teal);
    color: var(--teal-dark);
    box-shadow: var(--shadow-sm);
}
.btn-accordion.active {
    background: var(--teal-deep);
    border-color: var(--teal-deep);
    color: #fff;
}
.btn-accordion .chevron {
    margin-left: auto;
    font-size: .65em;
    opacity: .5;
    transition: transform var(--transition);
}
.btn-accordion.active .chevron {
    transform: rotate(180deg);
    opacity: 1;
}
/* Question label styling */
.btn-accordion .q-label {
    color: var(--teal-dark);
    font-size: .75em;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
    margin-right: .3em;
    flex-shrink: 0;
}
.btn-accordion.active .q-label { color: rgba(255,255,255,.7); }

.accordion-panel {
    display: none;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: .75rem;
    font-size: .98rem;
    line-height: 1.65;
    animation: panelIn .18s ease;
}
.accordion-panel.open { display: block; }
.accordion-panel p { margin-bottom: .75rem; }
.accordion-panel p:last-child { margin: 0; }
/* Nested alert inside panel */
.accordion-panel .alert { margin-bottom: .75rem; }
.accordion-panel .alert:last-child { margin-bottom: 0; }
/* Images inside panels */
.accordion-panel img { margin-bottom: 1rem; }

@keyframes panelIn {
    from { opacity: 0; transform: translateY(-5px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* --- Code blocks ----------------------------------------------- */
div.codeclass {
    display: block;
    background-color: #0d1117;
    border: 1px solid #30363d;
    border-radius: var(--radius);
    padding: 12px 16px;
    width: 100%;
    overflow-x: auto;
    margin-bottom: 10px;
}
code { color: #79c0ff; font-family: 'SFMono-Regular', 'Cascadia Code', 'Fira Code', Consolas, monospace; font-size: .875rem; }
pre  { color: #79c0ff; font-family: 'SFMono-Regular', 'Cascadia Code', 'Fira Code', Consolas, monospace; font-size: .875rem; margin: 0; }

/* --- Operational status ---------------------------------------- */

/* Spinning status icon in navbar */
.icon-status {
    font-size: .65em;
    margin-right: .3em;
    opacity: .5;
}

.timeline {
    position: relative;
    padding-left: 1.75rem;
    margin-bottom: 1.75rem;
}
.timeline::before {
    content: '';
    position: absolute;
    left: .45rem;
    top: .4rem;
    bottom: .4rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--teal), var(--border));
    border-radius: 2px;
}
.timeline-item {
    position: relative;
    margin-bottom: 1.25rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-sm);
}
.timeline-item::before {
    content: '';
    position: absolute;
    left: -1.38rem;
    top: 1rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--teal);
    border: 2px solid var(--surface);
    box-shadow: 0 0 0 2px var(--teal);
}
.timeline-item.status-ok::before  { background: #22c55e; box-shadow: 0 0 0 2px #22c55e; }
.timeline-item.status-warn::before { background: #f59e0b; box-shadow: 0 0 0 2px #f59e0b; }
.timeline-item.status-unknown::before { background: #9ca3af; box-shadow: 0 0 0 2px #0ca3af; }
.timeline-date {
    font-family: "Milo Sans", sans-serif;
    font-size: .8rem;
    font-weight: 700;
    color: var(--teal-dark);
    letter-spacing: .04em;
    margin-bottom: .25rem;
    display: flex;
    align-items: center;
    gap: .4em;
}
.timeline-text {
    font-size: .95rem;
    color: var(--text);
    margin: 0;
    line-height: 1.5;
}

/* Server status table */
.status-table {
    width: 100%;
    border-collapse: collapse;
    font-family: "Milo Sans", sans-serif;
    font-size: .92rem;
    margin-top: 1rem;
    background: var(--surface);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.status-table thead th {
    background: var(--teal-deep);
    color: #fff;
    font-weight: 600;
    letter-spacing: .05em;
    text-transform: uppercase;
    font-size: .78rem;
    padding: .65rem 1rem;
    text-align: left;
}
.status-table tbody td,
.status-table tbody th {
    padding: .65rem 1rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.status-table tbody tr:last-child td,
.status-table tbody tr:last-child th { border-bottom: none; }
.status-server { color: var(--navy); font-weight: 600; font-family: 'SFMono-Regular', Consolas, monospace; font-size: .88rem; }
.status-ok-badge {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    background: #f0fdf4;
    color: #16a34a;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 700;
    padding: .15em .7em;
    letter-spacing: .03em;
}
.status-warn-badge {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    background: #fef3c7;
    color: #d97706;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 700;
    padding: .15em .7em;
    letter-spacing: .03em;
}
.status-alarm-badge {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    background: #fee2e2;
    color: #dc2626;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 700;
    padding: .15em .7em;
    letter-spacing: .03em;
}
.status-unknown-badge {
    display: inline-flex;
    align-items: center;
    gap: .35em;
    background: #f3f4f6;
    color: #4b5563;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 700;
    padding: .15em .7em;
    letter-spacing: .03em;
}

/* --- Misc ------------------------------------------------------- */
#stratum2margin { margin: 3%; }
ul#bulletless { list-style-type: none; }

/* --- Links ----------------------------------------------------- */
a:not([class]) {
    color: var(--accent);
    border-bottom: 1px solid transparent;
    text-decoration: none;
    transition: color var(--transition), border-color var(--transition);
}
a:not([class]):hover {
    color: var(--teal-dark);
    border-bottom-color: currentColor;
    text-decoration: none;
}
a.page-link { color: var(--accent); border-radius: 6px; }
a.page-link:hover { background-color: var(--teal-light); color: var(--teal-dark); }
a.hreflogo { border-bottom: none !important; }

/* --- Logo ------------------------------------------------------ */
img.logo {
    height: 32px;
    opacity: .75;
    transition: opacity var(--transition);
    vertical-align: middle;
}
img.logo:hover { opacity: 1; }

/* --- Back to top ----------------------------------------------- */
ul.pagination { margin-top: 2rem; }
.page-link {
    border-radius: 6px !important;
    border: 1px solid var(--border);
    color: var(--accent);
    font-family: "Milo Sans", sans-serif;
    font-size: .88rem;
}

/* --- Footer row ------------------------------------------------ */
.footer-row {
    border-top: 1px solid var(--border);
    padding: 1.25rem 2rem;
    font-size: .88rem;
    color: var(--text-muted);
    font-family: "Milo Sans", sans-serif;
    background: rgba(255,255,255,.7);
}

/* Icon helpers */
.icon-btn     { margin-right: .45em; }
.icon-heading { color: var(--teal); margin-right: .35em; font-size: .85em; }
.icon-alert   { margin-right: .35em; font-size: .85em; }
.icon-teal    { color: var(--teal); margin-right: .3em; }

/* --- Responsive ------------------------------------------------ */
@media (max-width: 576px) {
    .jumbotron#customtron { padding: 2.5rem 1rem 2rem; }
}

/* ================================================================
   DIGITALE KLOK (voorheen uhr.css)
   ================================================================ */

/* -- Klok-widget container -------------------------------------- */
.clock-widget {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.clock-widget svg {
    /* Maximaal 320px breed, schaalt mee naar beneden */
    width: min(320px, 100%);
    height: auto;
    /* Geen focus-ring op het SVG-element zelf */
    outline: none;
}

/* -- Display background -- */
#timenlDisplayBackground {
    stroke: none;
    fill: rgb(239, 248, 254);
    transition: fill 0.5s ease;
}

/* Status notice */
#timenlNotice {
    fill: #e82122;
    font-weight: bold;
    font-size: 14px;
}

/* Main time display */
#timenlTime {
    fill: var(--navy);
    font-size: 42px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    transition: fill 0.3s ease;
}

/* Date + timezone labels */
#timenlDate {
    font-size: 10px;
    font-weight: 500;
    fill: var(--navy);
    user-select: none;
}

/* Tijdzone-knop: geen outline, ook niet als Bootstrap dat probeert te zetten */
#timenlLocalTimezone {
    font-size: 10px;
    font-weight: 600;
    fill: #556b8d;
    opacity: 0.85;
    user-select: none;
    cursor: pointer;
    transition: fill 0.2s ease, opacity 0.2s ease;
    outline: none !important;
}
#timenlLocalTimezone:hover,
#timenlLocalTimezone:focus,
#timenlLocalTimezone:focus-visible {
    fill: #3163b8;
    opacity: 1;
    outline: none !important;
}

/* Deviation icon */
#timenlDeviationIcon {
    cursor: pointer;
    transition: opacity 0.2s ease;
}
#timenlDeviationIcon:hover { opacity: 0.75; }

/* Icon basestyles */
#timenlDeviationIcon path {
    stroke: var(--navy);
    stroke-width: 4px;
    stroke-linejoin: round;
    fill: none;
}

#timenlDeviationIcon circle,
#timenlDeviationIcon line {
    fill: none;
    stroke: var(--navy);
    stroke-width: 5px;
}
#timenlDeviationIcon circle {
    fill: var(--navy);
}

/* Vloeiende naald-animatie */
#timenlDeviationNeedle {
    transform-origin: 40px 55px;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), stroke 0.3s ease;
}

/* Actieve staat van de Deviation Button */
#timenlDeviationIcon.active path,
#timenlDeviationIcon.active circle,
#timenlDeviationIcon.active #timenlDeviationNeedle {
    stroke: #45c0b6;
}
#timenlDeviationIcon.active circle {
    fill: #45c0b6;
}
#timenlDeviationIcon.active #timenlDeviationNeedle {
    transform: rotate(35deg);
}

/* Deviation area */
#timenlDeviation { fill: var(--navy); }
#timenlDeviation text { font-size: 9px; }
#timenlAccuracy { font-size: 8px; fill: #556b8d; }