/* FreeNS.de – Marke & Design-System
   Referenz: helle/weiße Flächen, flache Farbflächen statt Verläufe,
   eckige (nicht abgerundete) Buttons/Karten, Logo-Teal als Akzentfarbe. */

:root {
    --freens-primary: #0f766e;
    --freens-primary-dark: #0b544e;
    --freens-primary-light: #14b8a6;
    --freens-ink: #0f172a;
    --freens-radius: 4px;
    --freens-radius-lg: 6px;
    --freens-shadow-sm: 0 1px 2px rgba(15, 23, 42, .05);
    --freens-shadow: 0 2px 10px -2px rgba(15, 23, 42, .08);
    --freens-border: #e2e8f0;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

body {
    background: #ffffff;
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    color: var(--freens-ink);
}

h1, h2, h3, h4, h5, h6, .navbar-brand, .btn, .accordion-button {
    font-family: var(--font-sans);
    letter-spacing: -0.01em;
}

h1, h2, h3, .display-5 {
    font-weight: 800;
}

code, kbd, pre, .font-monospace {
    font-family: var(--font-mono) !important;
}

.font-monospace {
    font-size: 0.85em;
}

/* ------------------------------------------------------------------ Logo */

.freens-logo {
    border-radius: 6px;
    display: inline-block;
}

/* --------------------------------------------------------- Kopfleiste/Nav */

.freens-topbar {
    height: 4px;
    background: var(--freens-ink);
}

.freens-navbar {
    background: #ffffff;
    border-bottom: 1px solid var(--freens-border);
    z-index: 1030;
}

.freens-navbar .navbar-brand {
    color: var(--freens-ink);
    font-family: var(--font-sans);
}

.freens-navbar .nav-link {
    color: #475569;
    transition: color .15s ease;
    font-weight: 500;
}

.freens-navbar .nav-link:hover,
.freens-navbar .nav-link.active {
    color: var(--freens-primary) !important;
}

/* ------------------------------------------------------------------- Hero */

.freens-hero {
    background: var(--freens-primary);
}

.freens-hero .lead {
    font-size: 1.05rem;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.freens-hero .btn {
    padding: .5rem 1.15rem;
    font-size: .92rem;
}

@media (min-width: 768px) {
    .py-md-6 {
        padding-top: 4rem !important;
        padding-bottom: 4rem !important;
    }
}

.hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: .4em;
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 600;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, .85);
    background: rgba(255, 255, 255, .08);
    border: 1px solid rgba(255, 255, 255, .25);
    border-radius: var(--freens-radius-lg);
    padding: .4em .9em;
}

.hero-stats span {
    white-space: nowrap;
}

/* -------------------------------------------------------- Abschnitts-Rhythmus */

/* Kicker-Tag für Abschnittsüberschriften auf hellem Grund (Pendant zu
   .hero-kicker, das für den dunklen Hero-Hintergrund gedacht ist). */
.section-kicker {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--freens-primary);
}

/* Eine einzige, ruhige graue Fläche für den "So funktioniert's"-Bereich –
   bewusst nur ein Wechsel auf der ganzen Seite statt mehrfach hin und her,
   das wirkte vorher unruhig. */
.section-alt {
    background: #f8fafc;
    border-top: 1px solid var(--freens-border);
    border-bottom: 1px solid var(--freens-border);
}

/* Feature-Zeile: Icon links neben der Überschrift, keine Karte/Umrandung –
   ruhiger als einzelne Boxen mit Schatten. */
.feature-row-item {
    display: flex;
    align-items: flex-start;
    gap: .85rem;
}

.feature-row-item > i {
    color: var(--freens-primary);
    font-size: 1.1rem;
    width: 1.3em;
    text-align: center;
    margin-top: .2rem;
    flex-shrink: 0;
}

/* "So funktioniert's": alle vier Schritte in EINER Karte statt vier
   einzelnen – auf Desktop nebeneinander mit Trennlinien, auf Mobile
   gestapelt. */
.steps-row {
    display: flex;
    flex-direction: column;
}

.steps-row > div {
    padding: 1.25rem 1.5rem;
}

.steps-row > div:not(:last-child) {
    border-bottom: 1px solid var(--freens-border);
}

@media (min-width: 768px) {
    .steps-row {
        flex-direction: row;
    }

    .steps-row > div {
        flex: 1;
        padding: 1.75rem 1.5rem;
    }

    .steps-row > div:not(:last-child) {
        border-bottom: 0;
        border-right: 1px solid var(--freens-border);
    }
}

/* --------------------------------------------------------------- Buttons */

.btn {
    border-radius: var(--freens-radius);
    font-weight: 600;
    letter-spacing: -0.01em;
}

.btn-primary {
    background: var(--freens-primary);
    border-color: var(--freens-primary);
}

.btn-primary:hover,
.btn-primary:focus {
    background: var(--freens-primary-dark);
    border-color: var(--freens-primary-dark);
}

.btn-outline-primary {
    color: var(--freens-primary-dark);
    border-color: var(--freens-primary);
}

.btn-outline-primary:hover {
    background: var(--freens-primary);
    border-color: var(--freens-primary);
}

.btn-outline-light {
    border-color: rgba(255, 255, 255, .55);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .12);
    border-color: #fff;
    color: #fff;
}

/* ----------------------------------------------------------------- Cards */

.icon-circle {
    width: 52px;
    height: 52px;
    border-radius: var(--freens-radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(15, 118, 110, 0.1);
    color: var(--freens-primary);
    font-size: 1.3rem;
}

.icon-circle-step {
    width: 34px;
    height: 34px;
    border-radius: var(--freens-radius);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--freens-primary);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 700;
    font-family: var(--font-mono);
}

.feature-card {
    transition: border-color .15s ease, box-shadow .15s ease;
}

@media (min-width: 768px) {
    .feature-card:hover {
        border-color: rgba(15, 118, 110, .3) !important;
        box-shadow: var(--freens-shadow) !important;
    }
}

a {
    color: var(--freens-primary);
}

.freens-footer {
    background: #fafbfc;
    border-top: 1px solid var(--freens-border);
    color: #64748b;
}

.freens-footer a {
    color: #475569;
    text-decoration: none;
}

.freens-footer a:hover {
    color: var(--freens-primary);
    text-decoration: underline;
}

/* Card-Header: klare optische Trennung zwischen Panel-Titel und Inhalt (DNS/DynDNS) */
.card-panel {
    border: 1px solid var(--freens-border);
    border-radius: var(--freens-radius-lg);
    overflow: hidden;
}

.card-panel .card-header {
    background: #f8fafc;
    border-bottom: 1px solid var(--freens-border);
    font-weight: 700;
    font-size: 0.95rem;
}

.card-panel .card-header .badge {
    font-weight: 500;
}

.shadow-sm {
    box-shadow: var(--freens-shadow-sm) !important;
}

/* Farbcodierte Record-Typ-Badges: gedämpfte Tönung statt Vollton – ruhiger,
   "Dashboard"-Look, Monospace passt zu den technischen Werten daneben. */
.badge-rr {
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: 0.02em;
    font-size: .72rem;
    padding: .32em .55em;
    border-radius: 3px;
    border: 1px solid transparent;
}

.badge-rr-a        { background: rgba(37, 99, 235, .12);  color: #1d4ed8; border-color: rgba(37, 99, 235, .25); }
.badge-rr-aaaa     { background: rgba(79, 70, 229, .12);  color: #4338ca; border-color: rgba(79, 70, 229, .25); }
.badge-rr-cname    { background: rgba(124, 58, 237, .12); color: #6d28d9; border-color: rgba(124, 58, 237, .25); }
.badge-rr-alias    { background: rgba(124, 58, 237, .12); color: #6d28d9; border-color: rgba(124, 58, 237, .25); }
.badge-rr-mx       { background: rgba(217, 119, 6, .14);  color: #b45309; border-color: rgba(217, 119, 6, .28); }
.badge-rr-txt      { background: rgba(100, 116, 139, .14); color: #475569; border-color: rgba(100, 116, 139, .28); }
.badge-rr-srv      { background: rgba(8, 145, 178, .13);  color: #0e7490; border-color: rgba(8, 145, 178, .27); }
.badge-rr-caa      { background: rgba(219, 39, 119, .12); color: #be185d; border-color: rgba(219, 39, 119, .25); }
.badge-rr-tlsa,
.badge-rr-sshfp    { background: rgba(220, 38, 38, .12);  color: #b91c1c; border-color: rgba(220, 38, 38, .25); }
.badge-rr-https,
.badge-rr-svcb     { background: rgba(202, 138, 4, .14);  color: #a16207; border-color: rgba(202, 138, 4, .28); }
.badge-rr-naptr,
.badge-rr-loc,
.badge-rr-ptr      { background: rgba(5, 150, 105, .12);  color: #047857; border-color: rgba(5, 150, 105, .25); }
.badge-rr-ns,
.badge-rr-soa      { background: rgba(100, 116, 139, .1); color: #64748b; border-color: rgba(100, 116, 139, .22); }

.table-panel {
    margin-bottom: 0;
}

.table-panel thead th {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #6b7280;
    border-bottom-width: 1px;
    font-weight: 700;
}

.table-panel tbody tr:hover {
    background: rgba(15, 118, 110, 0.04);
}

.key-card {
    border-left: 3px solid var(--freens-primary);
}

/* ---------------------------------------------------------- Admin-Bereich */

.admin-head {
    border-bottom: 1px solid rgba(15, 118, 110, 0.15);
    padding-bottom: 0.75rem;
}

.admin-tabs .nav-link {
    color: #4b5563;
    border: 1px solid transparent;
    padding: 0.35rem 0.8rem;
    border-radius: var(--freens-radius);
    font-weight: 500;
}

.admin-tabs .nav-link:hover {
    background: rgba(15, 118, 110, 0.08);
    color: var(--freens-primary-dark);
}

.admin-tabs .nav-link.active {
    background: var(--freens-primary);
    color: #fff;
}

/* Kennzahlen-Karten auf der Admin-Übersicht */
.stat-card {
    border-left: 3px solid var(--freens-primary);
}

.stat-card .stat-value {
    font-family: var(--font-mono);
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--freens-primary-dark);
}

.stat-card.stat-alert {
    border-left-color: #dc3545;
}

.stat-card.stat-alert .stat-value {
    color: #dc3545;
}

.stat-card .stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: #6b7280;
}

/* Kurze Hervorhebung frisch eingeblendeter Meldungen */
.alert-flash {
    animation: flashIn .25s ease-out;
}

@keyframes flashIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: none; }
}

/* Statuszeilen in der Systemübersicht */
.card-panel .form-switch .form-check-input:checked {
    background-color: var(--freens-primary);
    border-color: var(--freens-primary);
}

/* Formularfelder: eckig statt stark abgerundet, passend zu Buttons/Karten */
.form-control,
.form-select {
    border-radius: var(--freens-radius);
}

/* ------------------------------------------------------------ DNS-Einträge */

/* Eingabezeile für neue Records vom Rest der Tabelle absetzen */
.rr-add {
    background: rgba(15, 118, 110, 0.04);
}

/* Von FreeNS verwaltete Einträge (SOA/NS) zurücknehmen – sie sind Kontext,
   keine Arbeitsfläche. */
.rr-system td {
    background: #fafafa;
    color: #6b7280;
}

.rr-edit > td {
    background: rgba(15, 118, 110, 0.05);
    border-top: 0;
}

/* Tabellen sollen auf schmalen Bildschirmen nicht die Seite sprengen */
@media (max-width: 575.98px) {
    .table-panel td,
    .table-panel th {
        white-space: normal;
        word-break: break-word;
    }
    .card-header {
        font-size: 0.9rem;
    }
}

/* Rechtstexte (Impressum/Datenschutz): fehlende Pflichtangaben auffällig
   markieren statt sie lautlos wegzulassen. */
.legal-placeholder {
    color: #991b1b;
    background: #fee2e2;
    padding: 0 5px;
    border-radius: 3px;
    font-weight: 600;
    font-size: 0.85em;
}

.legal-page h5 {
    color: var(--freens-primary-dark);
    margin-top: 2rem;
}

.legal-page h5:first-child {
    margin-top: 0;
}