/* ============================================================
   Stadtteilportal Vinnhorst — Designsystem
   Farben: Blau #003DA5, Rot #C8102E
   ============================================================ */

/* --- 1. Custom Properties ---------------------------------- */
:root {
    --blue:      #003DA5;
    --blue-dark: #002d7a;
    --blue-light:#e8eef9;
    --red:       #C8102E;
    --red-dark:  #a00d25;
    --white:     #ffffff;
    --gray-50:   #f8f9fa;
    --gray-100:  #f1f3f5;
    --gray-200:  #e9ecef;
    --gray-400:  #ced4da;
    --gray-600:  #6c757d;
    --gray-800:  #343a40;
    --text:      #1a1a2e;
    --radius:    6px;
    --shadow:    0 2px 8px rgba(0,0,0,.12);
    --shadow-lg: 0 4px 20px rgba(0,0,0,.16);
    --transition: 200ms ease;
    --container: 1200px;
    --font: system-ui, -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
}

/* --- 2. Reset & Base --------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: var(--font);
    color: var(--text);
    background: var(--white);
    line-height: 1.6;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
h1,h2,h3,h4 { line-height: 1.25; color: var(--blue); }
h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.2rem; }
p  { margin-bottom: .75rem; }
ul,ol { padding-left: 1.5rem; margin-bottom: .75rem; }

/* --- 3. Layout -------------------------------------------- */
.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 64px 0;
}

.section--alt {
    background: var(--gray-50);
}

.section-title {
    font-size: 1.75rem;
    color: var(--blue);
    margin-bottom: 8px;
}

.section-subtitle {
    color: var(--gray-600);
    margin-bottom: 40px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* --- 4. Buttons ------------------------------------------- */
.btn {
    display: inline-block;
    padding: 10px 22px;
    border-radius: var(--radius);
    border: 2px solid transparent;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
    text-decoration: none;
    line-height: 1.4;
    white-space: nowrap;
}

.btn-primary {
    background: var(--blue);
    color: var(--white);
    border-color: var(--blue);
}
.btn-primary:hover { background: var(--blue-dark); border-color: var(--blue-dark); color: var(--white); text-decoration: none; }

.btn-danger {
    background: var(--red);
    color: var(--white);
    border-color: var(--red);
}
.btn-danger:hover { background: var(--red-dark); border-color: var(--red-dark); color: var(--white); text-decoration: none; }

.btn-outline {
    background: transparent;
    color: var(--blue);
    border-color: var(--blue);
}
.btn-outline:hover { background: var(--blue); color: var(--white); text-decoration: none; }

.btn-sm { padding: 5px 12px; font-size: .85rem; }
.btn-block { width: 100%; text-align: center; }

/* --- 5. Public Header ------------------------------------- */
.site-header {
    background: var(--white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 1px 0 var(--gray-200), var(--shadow);
    border-bottom: 3px solid var(--blue);
}

.site-header-inner {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 10px 24px;
    max-width: var(--container);
    margin: 0 auto;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.site-logo img { height: 48px; width: auto; }

.site-logo-text {
    color: var(--blue);
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1.2;
}

.site-logo-text small {
    display: block;
    font-size: .75rem;
    font-weight: 400;
    color: var(--gray-600);
}

.site-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin-left: auto;
    list-style: none;
    padding: 0;
}

.site-nav a {
    color: var(--gray-800);
    padding: 7px 14px;
    border-radius: var(--radius);
    font-size: .9rem;
    font-weight: 500;
    transition: background var(--transition), color var(--transition);
    display: block;
    white-space: nowrap;
}

.site-nav a:hover,
.site-nav a.active {
    background: var(--blue);
    color: var(--white);
    text-decoration: none;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--blue);
    cursor: pointer;
    padding: 8px;
    margin-left: auto;
    font-size: 1.5rem;
    line-height: 1;
}

/* --- 6. Hero-Anker-Karten --------------------------------- */
.hero-cards {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    padding: 0;
}

.hero-cards-inner {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    max-width: var(--container);
    margin: 0 auto;
}

.hero-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 24px;
    text-align: center;
    color: var(--text);
    border-right: 1px solid var(--gray-200);
    transition: background var(--transition), color var(--transition);
    text-decoration: none;
    gap: 10px;
}

.hero-card:last-child { border-right: none; }

.hero-card:hover {
    background: var(--blue);
    text-decoration: none;
    color: var(--white);
}

.hero-card:hover .hero-card-title { color: var(--white); }
.hero-card:hover .hero-card-desc  { color: rgba(255,255,255,.85); }

.hero-card-icon {
    font-size: 2.2rem;
    line-height: 1;
    color: var(--blue);
}

.hero-card:hover .hero-card-icon { color: var(--white); }

.hero-card-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--blue);
}

.hero-card-desc {
    font-size: .85rem;
    color: var(--gray-600);
}

/* --- 7. Institution / UNV Cards --------------------------- */
.card-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.org-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: box-shadow var(--transition), border-color var(--transition);
}

.org-card:hover {
    box-shadow: var(--shadow);
    border-color: var(--blue);
}

.org-card-logo {
    width: 80px;
    height: 80px;
    object-fit: contain;
}

.org-card-name {
    font-weight: 700;
    color: var(--blue);
    font-size: .95rem;
}

.org-card-placeholder {
    width: 80px;
    height: 80px;
    background: var(--blue-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--blue);
    font-size: 1.5rem;
}

.org-card-desc {
    font-size: .85rem;
    color: var(--gray-600);
}

.org-card-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    justify-content: center;
    margin-top: auto;
    font-size: .82rem;
}

.org-card-detail {
    font-size: .82rem;
    color: var(--gray-600);
    text-align: left;
    width: 100%;
}

/* --- 8. Sportrangliste ------------------------------------ */
.sports-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.sports-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    border-left: 4px solid var(--blue);
}

.sports-card-team {
    font-weight: 700;
    color: var(--blue);
    font-size: 1rem;
    margin-bottom: 4px;
}

.sports-card-sport {
    font-size: .8rem;
    color: var(--gray-600);
    margin-bottom: 12px;
}

.sports-card-position {
    font-size: 2rem;
    font-weight: 900;
    color: var(--red);
    line-height: 1;
}

.sports-card-meta {
    font-size: .82rem;
    color: var(--gray-600);
    margin-top: 8px;
}

.sports-card-links {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    flex-wrap: wrap;
}

/* --- 9. Event & Blog Teaser ------------------------------- */
.teaser-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.teaser-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition);
}

.teaser-card:hover { box-shadow: var(--shadow-lg); }

.teaser-card-img {
    height: 180px;
    object-fit: cover;
    width: 100%;
}

.teaser-card-img-placeholder {
    height: 180px;
    background: var(--blue-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--blue);
    font-size: 2rem;
}

.teaser-card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.teaser-card-meta {
    font-size: .8rem;
    color: var(--gray-600);
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.teaser-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--blue);
}

.teaser-card-desc {
    font-size: .88rem;
    color: var(--gray-800);
    flex: 1;
}

.teaser-card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--gray-200);
}

.section-more {
    text-align: center;
    margin-top: 32px;
}

/* --- 10. Geschichte-Block --------------------------------- */
.history-block {
    background: var(--gray-50);
    color: var(--text);
    padding: 64px 0;
    border-top: 1px solid var(--gray-200);
}

.history-block h2 {
    color: var(--blue);
    margin-bottom: 20px;
}

.history-block p { color: var(--text); }
.history-block a { color: var(--blue); }

/* --- 11. Footer ------------------------------------------- */
.site-footer {
    background: var(--gray-800);
    color: rgba(255,255,255,.75);
    padding: 32px 0;
    font-size: .88rem;
}

.site-footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

.site-footer a { color: rgba(255,255,255,.85); }
.site-footer a:hover { color: var(--white); }

.site-footer-links {
    display: flex;
    gap: 20px;
}

/* --- 12. Public Content Pages ----------------------------- */
.page-header {
    background: var(--gray-50);
    border-bottom: 3px solid var(--blue);
    padding: 40px 0 32px;
}

.page-header h1 { color: var(--blue); }
.page-header p  { color: var(--gray-600); margin-top: 8px; }

.content-area {
    padding: 48px 0;
}

/* Event-Liste */
.event-list { display: flex; flex-direction: column; gap: 16px; }

.event-item {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px 24px;
    display: grid;
    grid-template-columns: 120px 1fr auto;
    gap: 20px;
    align-items: start;
    transition: box-shadow var(--transition);
}

.event-item:hover { box-shadow: var(--shadow); }

.event-date-box {
    background: var(--blue);
    color: var(--white);
    border-radius: var(--radius);
    padding: 12px;
    text-align: center;
    flex-shrink: 0;
}

.event-date-day  { font-size: 1.8rem; font-weight: 900; line-height: 1; }
.event-date-month{ font-size: .75rem; text-transform: uppercase; opacity: .85; }
.event-date-year { font-size: .75rem; opacity: .75; }

.event-details h3 { color: var(--blue); margin-bottom: 4px; }

.event-meta {
    display: flex;
    gap: 16px;
    font-size: .82rem;
    color: var(--gray-600);
    margin-top: 4px;
    flex-wrap: wrap;
}

/* Blog Seite */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.blog-post-body { max-width: 800px; margin: 0 auto; }
.blog-post-body h1 { margin-bottom: 16px; }
.blog-post-body .post-meta { color: var(--gray-600); font-size: .88rem; margin-bottom: 32px; }

.blog-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
    margin-top: 32px;
}

.blog-gallery img {
    border-radius: var(--radius);
    width: 100%;
    height: 180px;
    object-fit: cover;
}

/* --- 13. Flohmarkt-Seite ---------------------------------- */
.countdown-bar {
    background: var(--red);
    color: var(--white);
    text-align: center;
    padding: 24px;
}

.countdown-bar h2 { color: var(--white); font-size: 1.2rem; margin-bottom: 12px; }

.countdown-digits {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.countdown-unit {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.countdown-value {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1;
    min-width: 70px;
    background: rgba(0,0,0,.25);
    border-radius: var(--radius);
    padding: 8px 12px;
    text-align: center;
}

.countdown-label {
    font-size: .75rem;
    opacity: .85;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: .05em;
}

.map-container {
    width: 100%;
    height: 480px;
    background: var(--gray-200);
    border-radius: var(--radius);
    overflow: hidden;
    position: relative;
}

.map-placeholder {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--gray-600);
    gap: 8px;
    font-size: .95rem;
}

.map-placeholder-icon { font-size: 2.5rem; }

#flohmarkt-map { width: 100%; height: 100%; }

.registration-form {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px;
    max-width: 540px;
}

.registration-form h3 { margin-bottom: 20px; }

/* --- 14. Formulare (allgemein) ---------------------------- */
.form-group { margin-bottom: 20px; }

label {
    display: block;
    font-weight: 600;
    font-size: .9rem;
    margin-bottom: 6px;
    color: var(--gray-800);
}

label .hint {
    font-weight: 400;
    color: var(--gray-600);
    font-size: .82rem;
}

input[type=text],
input[type=email],
input[type=password],
input[type=date],
input[type=time],
input[type=datetime-local],
input[type=number],
input[type=url],
input[type=tel],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--gray-400);
    border-radius: var(--radius);
    font-size: .95rem;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 0 3px rgba(0,61,165,.15);
}

textarea { resize: vertical; min-height: 120px; }

.form-check {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: .88rem;
}

.form-check input[type=checkbox] {
    width: auto;
    margin-top: 2px;
    flex-shrink: 0;
}

.form-actions { display: flex; gap: 12px; align-items: center; margin-top: 24px; flex-wrap: wrap; }

/* Alerts */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: .92rem;
}

.alert-success { background: #d4edda; color: #155724; border: 1px solid #c3e6cb; }
.alert-danger  { background: #f8d7da; color: #721c24; border: 1px solid #f5c6cb; }
.alert-info    { background: #d1ecf1; color: #0c5460; border: 1px solid #bee5eb; }
.alert-warning { background: #fff3cd; color: #856404; border: 1px solid #ffeaa0; }

/* --- 15. Admin-Layout ------------------------------------- */
body.admin-layout,
body.admin-login-page {
    background: var(--gray-100);
}

.admin-header {
    background: var(--blue);
    color: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

.admin-header-inner {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 24px;
    max-width: 100%;
    flex-wrap: wrap;
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: .95rem;
    flex-shrink: 0;
}

.admin-nav {
    display: flex;
    gap: 2px;
    flex-wrap: wrap;
}

.admin-nav a {
    color: rgba(255,255,255,.85);
    padding: 6px 12px;
    border-radius: var(--radius);
    font-size: .85rem;
    transition: background var(--transition);
}

.admin-nav a:hover { background: rgba(255,255,255,.15); color: var(--white); text-decoration: none; }

.admin-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: .85rem;
    color: rgba(255,255,255,.8);
}

.admin-main { padding: 32px 0; min-height: calc(100vh - 120px); }

.admin-container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.admin-page-title { font-size: 1.5rem; margin-bottom: 24px; }

.admin-footer {
    background: var(--gray-800);
    color: rgba(255,255,255,.6);
    text-align: center;
    padding: 16px;
    font-size: .82rem;
}

.admin-footer a { color: rgba(255,255,255,.7); }

/* Admin-Dashboard-Karten */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.dashboard-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    border-left: 4px solid var(--blue);
    box-shadow: var(--shadow);
    text-decoration: none;
    display: block;
    transition: box-shadow var(--transition);
}

.dashboard-card:hover { box-shadow: var(--shadow-lg); text-decoration: none; }

.dashboard-card-value {
    font-size: 2rem;
    font-weight: 900;
    color: var(--blue);
    line-height: 1;
}

.dashboard-card-label {
    font-size: .85rem;
    color: var(--gray-600);
    margin-top: 6px;
}

/* Admin-Tabellen */
.admin-table-wrap {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: auto;
    margin-bottom: 24px;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .9rem;
}

.admin-table th {
    background: var(--gray-50);
    padding: 12px 16px;
    text-align: left;
    font-size: .8rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--gray-600);
    border-bottom: 2px solid var(--gray-200);
    white-space: nowrap;
}

.admin-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
    vertical-align: middle;
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--gray-50); }

.admin-table td img {
    width: 48px;
    height: 48px;
    object-fit: contain;
    border-radius: 4px;
    border: 1px solid var(--gray-200);
}

/* Admin-Formularkarten */
.admin-card {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px;
    margin-bottom: 24px;
}

.admin-card-title {
    font-size: 1.1rem;
    color: var(--blue);
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--gray-200);
}

.admin-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

/* Badge (Aktiv/Inaktiv) */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 600;
}

.badge-success { background: #d4edda; color: #155724; }
.badge-danger  { background: #f8d7da; color: #721c24; }
.badge-warning { background: #fff3cd; color: #856404; }
.badge-info    { background: #d1ecf1; color: #0c5460; }

/* Login-Seite */
.admin-login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-box {
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 48px 40px;
    width: 380px;
    max-width: 95vw;
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo img { margin: 0 auto 12px; }
.login-logo h1 { font-size: 1.3rem; color: var(--blue); }

.login-form label { margin-top: 16px; }
.login-form button { margin-top: 24px; }

/* Quill Editor im Admin */
.ql-container { min-height: 300px; font-size: .95rem; font-family: var(--font); }
.ql-toolbar { border-radius: var(--radius) var(--radius) 0 0; }
.ql-container { border-radius: 0 0 var(--radius) var(--radius); }

/* Image-Upload-Vorschau */
.image-preview-list {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 12px;
}

.image-preview-item {
    position: relative;
    width: 100px;
    height: 100px;
    border: 1px solid var(--gray-400);
    border-radius: var(--radius);
    overflow: hidden;
}

.image-preview-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-preview-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--red);
    color: var(--white);
    border: none;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    cursor: pointer;
    font-size: .75rem;
    line-height: 22px;
    text-align: center;
    padding: 0;
}

/* Bestätigungs-Badge Flohmarkt */
.status-dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    margin-right: 5px;
}

.status-dot--green { background: #28a745; }
.status-dot--yellow { background: #ffc107; }
.status-dot--red { background: #dc3545; }

/* --- 16. Responsive --------------------------------------- */
@media (max-width: 1024px) {
    .grid-4, .card-grid { grid-template-columns: repeat(3, 1fr); }
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    h1 { font-size: 1.5rem; }
    .section { padding: 40px 0; }

    .site-nav { display: none; flex-direction: column; width: 100%; }
    .site-nav.open { display: flex; }
    .site-nav a { padding: 12px 16px; border-bottom: 1px solid rgba(255,255,255,.1); border-radius: 0; }
    .site-header-inner { flex-wrap: wrap; }
    .nav-toggle { display: block; }

    .hero-cards-inner { grid-template-columns: 1fr; }
    .hero-card { border-right: none; border-bottom: 1px solid rgba(255,255,255,.15); padding: 24px; }
    .hero-card:last-child { border-bottom: none; }

    .grid-2, .grid-3, .teaser-grid, .blog-grid, .sports-grid { grid-template-columns: 1fr; }
    .grid-4, .card-grid { grid-template-columns: repeat(2, 1fr); }
    .dashboard-grid { grid-template-columns: repeat(2, 1fr); }

    .event-item { grid-template-columns: 1fr; }
    .event-date-box { width: 80px; }

    .admin-nav { display: none; }
    .admin-header-inner { flex-wrap: wrap; }

    .site-footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .grid-4, .card-grid { grid-template-columns: 1fr; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .login-box { padding: 32px 24px; }
    .countdown-value { font-size: 2rem; min-width: 54px; }
}