/**
 * File: newsletter-system.css
 *
 * Newsletter-System – Styles für Admin-Bereich (Vorstandsbereich),
 * Anmeldeformular und Push-Opt-in-Banner.
 *
 * @package     KuK Bendorf Theme
 * @author      Oliver Ferber <admin@kuk-bendorf.de>
 * @copyright   2026 KuK Bendorf e.V.
 * @license     Proprietary
 * @version     1.0.0
 */

/* ═══════════════════════════════════════════════════════════
   ADMIN: Kopfzeile & Tabs
   ═══════════════════════════════════════════════════════════ */
#kuk-newsletter-app {
    max-width: 1100px;
    margin: 0 auto;
    padding-bottom: 60px;
}

.newsletter-page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 22px;
    flex-wrap: wrap;
}

.newsletter-page-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.newsletter-page-title h2 {
    font-size: 1.55rem;
    font-weight: 800;
    color: var(--color-text, #1A1A2E);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.newsletter-page-title h2 i {
    color: var(--kuk-red, #F20F0F);
}

.newsletter-back-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--bg-secondary, #F8F9FA);
    color: var(--color-text, #1A1A2E);
    text-decoration: none;
    border: 1px solid var(--border-color, #E2E8F0);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
    flex-shrink: 0;
}

.newsletter-back-btn:hover {
    background: var(--kuk-red-light, #FFF0F0);
    color: var(--kuk-red, #F20F0F);
    border-color: var(--kuk-red, #F20F0F);
    transform: translateX(-2px);
}

.newsletter-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.newsletter-tab {
    background: var(--bg-secondary, #F8F9FA);
    border: 1px solid var(--border-color, #E2E8F0);
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 0.86rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--color-text-2, #666);
    transition: all 0.22s ease;
    white-space: nowrap;
}

.newsletter-tab.active {
    background: var(--kuk-red, #F20F0F);
    color: #ffffff;
    border-color: var(--kuk-red, #F20F0F);
    box-shadow: 0 2px 10px rgba(242, 15, 15, 0.28);
}

.newsletter-tab:not(.active):hover {
    background: var(--bg-elevated, #fff);
    color: var(--color-text, #1A1A2E);
}

.newsletter-toolbar {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 14px;
}

.newsletter-archive {
    margin-top: 32px;
    border-top: 1px solid var(--color-border, #E2E8F0);
    padding-top: 14px;
}

.newsletter-archive-title {
    margin: 0 0 14px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text, #1A1A2E);
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.newsletter-archive-title::-webkit-details-marker {
    display: none;
}

.newsletter-archive-title::after {
    content: "\f078";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    margin-left: auto;
    color: var(--color-text-3, #718096);
    transition: transform 0.2s ease;
}

.newsletter-archive[open] > .newsletter-archive-title::after {
    transform: rotate(180deg);
}

.newsletter-archive-title i {
    color: var(--color-text-muted, #8888B8);
}

.newsletter-archive-search {
    position: relative;
    margin-bottom: 14px;
}

.newsletter-archive-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-3, #718096);
    font-size: 0.85rem;
}

.newsletter-archive-search input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    border-radius: 10px;
    border: 1px solid var(--color-border, #E2E8F0);
    background: var(--surface-1, #F8F9FA);
    color: var(--color-text, #1A1A2E);
    font-size: 0.9rem;
}

.newsletter-archive-search input:focus {
    outline: none;
    border-color: var(--kuk-red, #F20F0F);
}

/* ═══════════════════════════════════════════════════════════
   ADMIN: Statistik-Kacheln
   ═══════════════════════════════════════════════════════════ */
.newsletter-stats {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.newsletter-stat {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 14px;
    padding: 14px 22px;
    text-align: center;
    min-width: 110px;
}

.newsletter-stat strong {
    display: block;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--kuk-red, #F20F0F);
}

.newsletter-stat span {
    font-size: 0.78rem;
    color: var(--color-text-2, #666);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ═══════════════════════════════════════════════════════════
   ADMIN: Tabellen
   ═══════════════════════════════════════════════════════════ */
.newsletter-list {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border-color, #E2E8F0);
    border-radius: 14px;
    overflow: hidden;
}

.newsletter-table {
    width: 100%;
    border-collapse: collapse;
}

.newsletter-table th {
    text-align: left;
    padding: 14px 16px;
    background: var(--bg-secondary, #F8F9FA);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-2, #666);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 2px solid var(--border-color, #E2E8F0);
}

.newsletter-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
    vertical-align: middle;
    color: var(--color-text, #1A1A2E);
    font-size: 0.92rem;
}

.newsletter-table tr:last-child td {
    border-bottom: none;
}

.newsletter-cell-name {
    font-weight: 600;
}

.newsletter-cell-actions {
    white-space: nowrap;
    text-align: right;
}

.newsletter-cell-actions button {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    border: 1px solid var(--border-color, #E2E8F0);
    background: var(--bg-secondary, #F8F9FA);
    color: var(--color-text-2, #666);
    cursor: pointer;
    margin-left: 6px;
    transition: all 0.15s ease;
}

.newsletter-cell-actions button:hover {
    background: var(--kuk-red, #F20F0F);
    color: #fff;
    border-color: var(--kuk-red, #F20F0F);
}

.newsletter-empty,
.newsletter-loading {
    text-align: center;
    padding: 60px 20px;
    color: var(--color-text-2, #888);
    font-size: 0.95rem;
}

/* ── Status-Badges ─────────────────────────────────────── */
.newsletter-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 3px 10px;
    color: #fff;
}

.newsletter-badge-entwurf      { background: #94A3B8; }
.newsletter-badge-wird_versendet { background: #F59E0B; }
.newsletter-badge-versendet    { background: #16A34A; }
.newsletter-badge-abgemeldet   { background: #94A3B8; }

/* ═══════════════════════════════════════════════════════════
   ADMIN: Modal-Erweiterungen
   ═══════════════════════════════════════════════════════════ */
.kuk-modal-wide .kuk-modal-content {
    max-width: 720px;
}

#newsletter-treffer-section {
    margin-top: 28px;
}

#newsletter-treffer-section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text, #1A1A2E);
}

/* ═══════════════════════════════════════════════════════════
   ADMIN: Einstellungen-Tab
   ═══════════════════════════════════════════════════════════ */
.newsletter-settings-form h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text, #1A1A2E);
    margin: 28px 0 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color, #E2E8F0);
}

.newsletter-settings-form h3:first-child {
    margin-top: 0;
}

.newsletter-settings-hint {
    color: var(--color-text-2, #666);
    font-size: 0.85rem;
    margin: -6px 0 14px;
}

.newsletter-settings-form .form-hint {
    display: block;
    color: var(--color-text-2, #888);
    font-size: 0.78rem;
    margin-top: 4px;
}

.newsletter-settings-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 24px;
}

.newsletter-settings-saved {
    color: #16A34A;
    font-weight: 600;
    font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════════
   FRONTEND: Newsletter-Seite (page-newsletter.php)
   ═══════════════════════════════════════════════════════════ */
.newsletter-page-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

@media (max-width: 900px) {
    .newsletter-page-grid {
        grid-template-columns: 1fr;
    }
}

.newsletter-page-section {
    position: relative;
    overflow: hidden;
    background: var(--surface-2, #ffffff);
    padding: 40px;
    border-radius: 16px;
    margin-bottom: 0;
    box-shadow: var(--shadow-md, 0 2px 12px rgba(0,0,0,0.06));
    transition: var(--hover-transition, box-shadow 0.25s ease, transform 0.25s ease);
}

.newsletter-page-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--kuk-red, #F20F0F), var(--kuk-gold, #FFD700));
}

.newsletter-page-section:hover {
    box-shadow: var(--shadow-lg, 0 6px 24px rgba(0,0,0,0.1));
    transform: translateY(-3px);
}

.newsletter-page-section h2 {
    margin-top: 0;
    margin-bottom: 12px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text, #222);
    display: flex;
    align-items: center;
    gap: 14px;
}

.newsletter-page-section h2 i {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--kuk-red-light, #FFF0F0);
    color: var(--kuk-red, #F20F0F);
    font-size: 1.15rem;
}

html[data-theme="dark"] .newsletter-page-section h2 i {
    background: rgba(242, 15, 15, 0.14);
}

.newsletter-page-section > p {
    color: var(--color-text-2, #555);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 22px;
}

@media (max-width: 600px) {
    .newsletter-page-section h2 {
        font-size: 1.2rem;
        gap: 10px;
    }

    .newsletter-page-section h2 i {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
}

.newsletter-page-section .kuk-nl-signup {
    margin: 0;
}

.kuk-nl-push-box {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 14px;
}

.kuk-nl-submit-done {
    background: #16A34A !important;
    cursor: default;
}

.kuk-nl-submit:disabled {
    opacity: 0.65;
}

html[data-theme="dark"] .newsletter-page-section {
    background: var(--surface-2, #1A1A2C);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.40);
}

/* ── Einzelansicht einer Kampagne (Ziel der Push-Benachrichtigungen) ── */
.newsletter-beitrag-card {
    position: relative;
    overflow: hidden;
    background: var(--surface-2, #ffffff);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md, 0 2px 12px rgba(0, 0, 0, 0.06));
    margin-bottom: 24px;
}

.newsletter-beitrag-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--kuk-red, #F20F0F), var(--kuk-gold, #FFD700));
}

html[data-theme="dark"] .newsletter-beitrag-card {
    background: var(--surface-2, #1A1A2C);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.40);
}

.newsletter-beitrag-content {
    color: var(--color-text, #222);
    font-size: 1.05rem;
    line-height: 1.8;
}

.newsletter-beitrag-content > *:first-child {
    margin-top: 0;
}

.newsletter-beitrag-content > *:last-child {
    margin-bottom: 0;
}

.newsletter-beitrag-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

.newsletter-beitrag-content a {
    color: var(--kuk-red, #F20F0F);
    text-decoration: underline;
}

.newsletter-beitrag-back {
    text-align: center;
}

.newsletter-beitrag-back-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    border-radius: 24px;
    background: var(--bg-secondary, #F8F9FA);
    color: var(--color-text, #1A1A2E);
    text-decoration: none;
    font-weight: 600;
    border: 1px solid var(--border-color, #E2E8F0);
    transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.newsletter-beitrag-back-link:hover {
    background: var(--kuk-red-light, #FFF0F0);
    color: var(--kuk-red, #F20F0F);
    border-color: var(--kuk-red, #F20F0F);
    transform: translateX(-2px);
}

html[data-theme="dark"] .newsletter-beitrag-back-link {
    background: var(--surface-2, #1A1A2C);
    border-color: var(--border-color, #333344);
    color: var(--color-text, #EAEAEA);
}

@media (max-width: 600px) {
    .newsletter-beitrag-card {
        padding: 24px 20px;
    }
}

html[data-theme="dark"] .newsletter-page-section:hover {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.55);
}

@media (max-width: 768px) {
    .newsletter-page-section {
        padding: 22px 18px;
        margin-left: 0;
        margin-right: 0;
    }
}

/* ═══════════════════════════════════════════════════════════
   FRONTEND: Anmeldeformular [kuk_newsletter_signup]
   ═══════════════════════════════════════════════════════════ */
.kuk-nl-signup {
    max-width: 100%;
    margin: 0;
    background: var(--surface-1, #F8F9FA);
    border: 1px solid var(--color-border, #E2E8F0);
    border-radius: 16px;
    padding: 28px;
}

html[data-theme="dark"] .kuk-nl-signup {
    background: var(--surface-1, #13131F);
    border-color: var(--color-border, #2A2A42);
}

.kuk-nl-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.kuk-nl-input {
    flex: 1 1 200px;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid var(--color-border, #E2E8F0);
    background: var(--surface-0, #ffffff);
    color: var(--color-text, #1A1A2E);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

html[data-theme="dark"] .kuk-nl-input {
    background: var(--surface-0, #0D0D1A);
    color: var(--color-text, #F0F0F8);
    border-color: var(--color-border, #2A2A42);
}

.kuk-nl-input::placeholder {
    color: var(--color-text-3, #718096);
    opacity: 1;
}

.kuk-nl-input:focus {
    outline: none;
    border-color: var(--kuk-red, #F20F0F);
    box-shadow: 0 0 0 3px var(--kuk-red-glow, rgba(242, 15, 15, 0.18));
}

.kuk-nl-consent {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.85rem;
    color: var(--color-text-2, #4A5568);
    margin-bottom: 18px;
    line-height: 1.5;
}

.kuk-nl-consent input {
    margin-top: 3px;
    flex-shrink: 0;
}

.kuk-nl-consent a {
    color: var(--kuk-red, #F20F0F);
}

.kuk-nl-submit {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--kuk-red, #F20F0F);
    color: #fff;
    border: none;
    border-radius: 999px;
    padding: 12px 28px;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.kuk-nl-submit:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(242, 15, 15, 0.35);
}

.kuk-nl-submit:disabled {
    opacity: 0.6;
    cursor: default;
}

.kuk-nl-result {
    margin-top: 14px;
}

.kuk-nl-msg {
    border-radius: 10px;
    padding: 12px 16px;
    font-size: 0.9rem;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.kuk-nl-msg-success { background: rgba(22, 163, 74, 0.10); color: #15803D; border: 1px solid rgba(22, 163, 74, 0.3); }
.kuk-nl-msg-info    { background: rgba(59, 130, 246, 0.10); color: #1D4ED8; border: 1px solid rgba(59, 130, 246, 0.3); }
.kuk-nl-msg-error   { background: rgba(242, 15, 15, 0.08); color: #B91C1C; border: 1px solid rgba(242, 15, 15, 0.3); }

html[data-theme="dark"] .kuk-nl-msg-success { background: rgba(22, 163, 74, 0.15); color: #4ADE80; border-color: rgba(22, 163, 74, 0.3); }
html[data-theme="dark"] .kuk-nl-msg-info    { background: rgba(59, 130, 246, 0.15); color: #93C5FD; border-color: rgba(59, 130, 246, 0.3); }
html[data-theme="dark"] .kuk-nl-msg-error   { background: rgba(242, 15, 15, 0.12); color: #FCA5A5; border-color: rgba(242, 15, 15, 0.3); }

/* ═══════════════════════════════════════════════════════════
   FRONTEND: Push-Opt-in-Banner
   ═══════════════════════════════════════════════════════════ */
#kuk-push-optin-banner {
    position: fixed;
    bottom: 18px;
    left: 18px;
    right: 18px;
    max-width: 460px;
    margin: 0 auto;
    background: #0D0D24;
    color: #E8E8F8;
    border: 1px solid #1C1C3A;
    border-radius: 14px;
    padding: 16px 18px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    font-size: 0.9rem;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
    z-index: 9999;
    animation: kuk-push-banner-in 0.3s ease;
}

@keyframes kuk-push-banner-in {
    from { transform: translateY(20px); opacity: 0; }
    to   { transform: translateY(0); opacity: 1; }
}

#kuk-push-optin-banner i {
    color: var(--kuk-red, #F20F0F);
    margin-right: 6px;
}

.kuk-push-optin-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.kuk-push-optin-actions button {
    border-radius: 999px;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid #2A2A4A;
    background: transparent;
    color: #E8E8F8;
    transition: all 0.15s ease;
}

.kuk-push-optin-yes {
    background: var(--kuk-red, #F20F0F) !important;
    border-color: var(--kuk-red, #F20F0F) !important;
    color: #fff !important;
}

.kuk-push-optin-actions button:hover {
    opacity: 0.85;
}

/* ═══════════════════════════════════════════════════════════
   Dark Mode
   ═══════════════════════════════════════════════════════════ */
html[data-theme="dark"] .newsletter-list,
html[data-theme="dark"] .newsletter-table th,
html[data-theme="dark"] .newsletter-stat {
    background: var(--bg-card, #15152E);
    border-color: var(--border-color, #2A2A4A);
}

html[data-theme="dark"] .newsletter-table td {
    border-color: var(--border-color, #2A2A4A);
}

/* ═══════════════════════════════════════════════════════════
   Responsive
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .newsletter-list {
        overflow-x: auto;
    }
    .newsletter-table {
        min-width: 640px;
    }
}