:root {
    /* Platinum White & Gold Palette */
    --primary: #C5A55A; /* Refined Gold */
    --primary-light: #EDE6D6;
    --primary-dark: #A8893C;
    --secondary: #FFFFFF; /* Pure White */
    --accent: #D4AF37; /* Bright Gold accent */
    
    --text-main: #1A1A1A; /* Near Black */
    --text-muted: #6B6B6B;
    --text-light: #F5F5F5;
    
    --bg-main: #FAFAFA; /* Platinum White */
    --bg-card: #FFFFFF;
    
    --success: #34D399;
    --danger: #F87171;
    
    --border-color: #E8E6E3;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.10);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3 {
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

/* --- User Navigation Bar --- */
.user-nav {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(197, 165, 90, 0.12);
    box-shadow: 0 1px 6px rgba(0,0,0,0.03);
}

.user-nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.6rem 2rem;
}

.user-nav-logo {
    color: var(--primary);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    text-decoration: none;
    cursor: pointer;
}

.user-nav-logo i { margin-right: 0.3rem; }

.user-nav-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-btn {
    background: none;
    border: 1px solid rgba(197, 165, 90, 0.25);
    color: var(--text-muted);
    padding: 0.35rem 0.8rem;
    border-radius: 8px;
    font-family: inherit;
    font-size: 0.8rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.nav-btn-accent {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    border-color: transparent;
    color: #FFF;
}

.nav-btn-accent:hover {
    box-shadow: 0 4px 15px rgba(197, 165, 90, 0.35);
    color: #FFF;
}

.nav-user-name {
    color: var(--text-main);
    font-size: 0.85rem;
    font-weight: 500;
    margin-right: 0.3rem;
}
.nav-user-name i { color: var(--primary); margin-right: 0.3rem; }
#nav-guest, #nav-user { display: flex; align-items: center; gap: 0.5rem; }

/* --- Auth Modal --- */
.modal-sm { max-width: 420px; }
.auth-form { padding: 1.5rem; display: flex; flex-direction: column; gap: 1rem; }
.auth-switch { text-align: center; font-size: 0.82rem; color: var(--text-muted); margin-top: 0.5rem; }
.auth-switch a { color: var(--primary-dark); font-weight: 600; text-decoration: none; }
.auth-switch a:hover { text-decoration: underline; }
.auth-error { color: var(--danger); font-size: 0.82rem; text-align: center; min-height: 1.2em; }

/* --- Quick Date Filters (WalkerPlus inspired) --- */
.quick-filters {
    display: flex;
    gap: 0;
    margin-top: -3rem;
    position: relative;
    z-index: 11;
    background: var(--bg-card);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(197, 165, 90, 0.1);
    border-bottom: none;
}

.quick-filter-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    background: var(--bg-card);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    position: relative;
}

.quick-filter-btn:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.quick-filter-btn:hover {
    background: rgba(197, 165, 90, 0.06);
    color: var(--primary-dark);
}

.quick-filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #FFF;
    font-weight: 700;
    box-shadow: inset 0 -3px 0 rgba(0,0,0,0.15);
}

.quick-filter-btn.active i {
    color: #FFF;
}

.quick-filter-btn i {
    font-size: 1.1rem;
    color: var(--primary);
}

/* --- In-Feed Ad --- */
.ad-infeed {
    grid-column: 1 / -1;
    background: #F8F9FA;
    border: 1px dashed #ced4da;
    border-radius: var(--radius-md);
    text-align: center;
    padding: 1.5rem;
    color: #6c757d;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100px;
}

/* --- Hero Section --- */
.hero {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.88) 0%, rgba(240, 237, 232, 0.82) 100%),
                url('hero-bg.png') center/cover;
    padding: 5rem 2rem 7rem;
    text-align: center;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--bg-main), transparent);
    z-index: 1;
}

.hero-icon {
    display: block;
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 0.5rem;
    animation: pulse 2s ease-in-out infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    animation: fadeInDown 0.8s ease-out forwards;
}

.hero h1 {
    font-size: 2.6rem;
    margin-bottom: 1rem;
    color: var(--text-main);
    font-weight: 700;
    text-shadow: none;
}

.hero p {
    font-size: 1.15rem;
    color: var(--text-muted);
    font-weight: 300;
    margin-bottom: 2rem;
}

/* --- Submit Event Button (Hero) --- */
.btn-submit-event {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #FFF;
    border: none;
    padding: 0.9rem 2rem;
    font-size: 1.05rem;
    font-family: inherit;
    font-weight: 500;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.4);
    letter-spacing: 0.03em;
}

.btn-submit-event:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(197, 165, 90, 0.4);
}

.btn-submit-event:active {
    transform: translateY(0);
}

/* --- Main Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem 3rem;
}

/* --- Filter Section --- */
.filter-section {
    background: var(--bg-card);
    padding: 1.5rem 2.5rem;
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    justify-content: center;
    align-items: flex-end;
    margin-top: 0;
    position: relative;
    z-index: 10;
    border: 1px solid rgba(197, 165, 90, 0.1);
    border-top: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.filter-group label i {
    color: var(--primary);
    margin-right: 0.25rem;
}

.filter-group select,
.filter-group input[type="text"] {
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    background-color: var(--bg-card);
    transition: var(--transition);
}

.filter-group input[type="text"] {
    width: 260px;
}

.filter-group input[type="text"]::placeholder {
    color: var(--text-muted);
}

.filter-group select {
    padding-right: 2.5rem;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
}

.filter-group select:focus,
.filter-group input[type="text"]:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

.filter-count {
    display: flex;
    align-items: flex-end;
    padding-bottom: 0.6rem;
    font-size: 0.9rem;
    color: var(--primary-dark);
    font-weight: 500;
}

/* --- View Toggle --- */
.view-toggle {
    display: flex;
    gap: 0;
    margin-top: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 4px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    width: fit-content;
}

.view-toggle-btn {
    padding: 0.55rem 1.3rem;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 10px;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.view-toggle-btn:hover {
    color: var(--text-main);
}

.view-toggle-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #FFF;
    box-shadow: 0 2px 8px rgba(212, 175, 55, 0.3);
}

.view-hidden {
    display: none !important;
}

/* --- Calendar Section --- */
.calendar-section {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: 2rem;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.calendar-header {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 1.2rem;
}

.cal-month-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-main);
    min-width: 160px;
    text-align: center;
}

.cal-nav-btn {
    background: none;
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
    font-size: 0.85rem;
}

.cal-nav-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary-dark);
}

.cal-today-btn {
    margin-left: auto;
    background: none;
    border: 1px solid var(--primary);
    color: var(--primary-dark);
    padding: 0.35rem 0.9rem;
    border-radius: 20px;
    font-family: inherit;
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.cal-today-btn:hover {
    background: var(--primary);
    color: #FFF;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0;
}

.cal-weekday {
    text-align: center;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
    text-transform: uppercase;
}

.cal-weekday:first-child { color: #EF4444; }
.cal-weekday:last-child { color: #3B82F6; }

.cal-days-container {
    display: contents;
}

.cal-day {
    text-align: center;
    padding: 0.5rem 0.2rem;
    min-height: 56px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
}

.cal-day:hover {
    background: rgba(212, 175, 55, 0.06);
}

.cal-day.active {
    background: linear-gradient(135deg, var(--primary-light), rgba(212,175,55,0.15));
    box-shadow: inset 0 0 0 2px var(--primary);
}

.cal-day.today .cal-day-num {
    background: var(--primary);
    color: #FFF;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cal-day.other-month {
    opacity: 0.3;
}

.cal-day.sunday .cal-day-num { color: #EF4444; }
.cal-day.saturday .cal-day-num { color: #3B82F6; }

.cal-day-num {
    font-size: 0.88rem;
    font-weight: 500;
    line-height: 1;
}

.cal-day-dots {
    display: flex;
    gap: 3px;
    justify-content: center;
    flex-wrap: wrap;
    min-height: 8px;
}

.cal-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    display: inline-block;
}

.dot-derma { background: var(--primary); }
.dot-surgery { background: #D48EC8; }
.dot-general { background: #7C8DB0; }

.cal-legend {
    display: flex;
    gap: 1.2rem;
    justify-content: center;
    padding-top: 0.8rem;
    margin-top: 0.5rem;
    border-top: 1px solid var(--border-color);
}

.cal-legend-item {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.cal-selected-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-top: 0.8rem;
    padding: 0.6rem 1rem;
    background: rgba(212, 175, 55, 0.08);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--primary-dark);
}

.cal-clear-btn {
    background: none;
    border: 1px solid var(--primary);
    color: var(--primary-dark);
    padding: 0.25rem 0.6rem;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.78rem;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.cal-clear-btn:hover {
    background: var(--primary);
    color: #FFF;
}

/* --- Event Grid --- */
.events-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2rem;
    margin-top: 2.5rem;
}

/* --- Event Card --- */
.event-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid transparent;
    display: flex;
    flex-direction: column;
    height: 100%;
    animation: fadeIn 0.5s ease-out forwards;
    opacity: 0;
}

.event-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.card-header {
    background: linear-gradient(135deg, var(--secondary) 0%, #FFF 100%);
    padding: 1.5rem 1.5rem 1.2rem;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

.card-category {
    position: absolute;
    top: -1px;
    right: 1.5rem;
    background: var(--primary);
    color: #FFF;
    padding: 0.25rem 0.9rem;
    border-radius: 0 0 10px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    box-shadow: 0 2px 5px rgba(212, 175, 55, 0.3);
}

.card-category.surgery { background: linear-gradient(135deg, #E6A8D7, #D48EC8); color: #FFF; }
.card-category.general { background: linear-gradient(135deg, #7C8DB0, #6B7CA0); color: #FFF; }

.card-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--accent);
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
}

.card-title {
    font-size: 1.15rem;
    line-height: 1.4;
    margin-bottom: 0;
    font-weight: 600;
}

.card-body {
    padding: 1.25rem 1.5rem 1.5rem;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.8rem;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.card-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.card-meta i {
    width: 16px;
    text-align: center;
    color: var(--primary);
}

.card-desc {
    font-size: 0.9rem;
    color: var(--text-main);
    margin-bottom: 1rem;
    flex-grow: 1;
    line-height: 1.7;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.8rem;
}

/* --- Source Badge --- */
.source-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.7rem;
    border-radius: 20px;
    font-size: 0.7rem;
    font-weight: 500;
}

.auto-badge {
    background: rgba(52, 211, 153, 0.12);
    color: #059669;
}

.user-badge {
    background: rgba(212, 175, 55, 0.12);
    color: var(--primary-dark);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

.approved-badge {
    background: rgba(99, 102, 241, 0.1);
    color: #4F46E5;
    border: 1px solid rgba(99, 102, 241, 0.15);
}

/* --- Modal Notice --- */
.modal-notice {
    background: #EFF6FF;
    border-left: 4px solid #3B82F6;
    padding: 0.8rem 1.5rem;
    font-size: 0.85rem;
    color: #1E40AF;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* --- Form Section Title --- */
.form-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
    padding-bottom: 0.5rem;
    margin-bottom: 0.8rem;
    margin-top: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-section-title i {
    color: var(--primary);
}

/* --- Delete Button --- */
.btn-delete {
    background: none;
    border: 1px solid rgba(248, 113, 113, 0.2);
    color: var(--danger);
    cursor: pointer;
    padding: 0.3rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    transition: var(--transition);
    opacity: 0.6;
}

.btn-delete:hover {
    opacity: 1;
    background: rgba(248, 113, 113, 0.08);
}

/* --- Buttons --- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #FFF;
    text-decoration: none;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    text-align: center;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    width: 100%;
}

.btn-primary:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.3);
}

.btn-disabled {
    background: var(--border-color);
    color: var(--text-muted);
    cursor: default;
    pointer-events: none;
}

/* --- Modal Overlay --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s ease;
    padding: 1rem;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(212, 175, 55, 0.15);
    transform: translateY(30px) scale(0.95);
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--secondary), #FFF);
}

.modal-header h2 {
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-header h2 i {
    color: var(--primary);
}

.modal-close-btn {
    background: none;
    border: none;
    font-size: 1.3rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.3rem;
    transition: var(--transition);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close-btn:hover {
    background: var(--bg-main);
    color: var(--text-main);
}

/* --- Submit Form --- */
.submit-form {
    padding: 1.5rem 2rem 2rem;
}

.form-row {
    margin-bottom: 1rem;
}

.form-row.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-row.three-col {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

.hint {
    font-weight: 400;
    font-size: 0.78rem;
    color: var(--text-muted);
}

.form-note {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: -0.3rem 0 0.8rem;
    padding-left: 0.2rem;
}
.form-note i { color: var(--primary); margin-right: 0.2rem; }

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.form-group label i {
    color: var(--primary);
    font-size: 0.8rem;
}

.required {
    color: var(--danger);
    font-size: 0.75rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.65rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.95rem;
    color: var(--text-main);
    background: var(--bg-card);
    transition: var(--transition);
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #B0B8C4;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1em;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-actions {
    margin-top: 1rem;
}

.btn-submit {
    font-size: 1rem;
    padding: 0.85rem 2rem;
}

/* --- Toast Notification --- */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, #065F46, #047857);
    color: #FFF;
    padding: 1rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 10px 30px rgba(0,0,0,0.25);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 2000;
}

.toast-notification.show {
    transform: translateY(0);
    opacity: 1;
}

/* --- Footer --- */
footer {
    background: var(--text-main);
    color: rgba(255,255,255,0.6);
    text-align: center;
    padding: 2rem;
    margin-top: 4rem;
}

.footer-sub {
    font-size: 0.8rem;
    margin-top: 0.5rem;
    opacity: 0.6;
}

/* Empty state */
.no-events {
    grid-column: 1 / -1;
    text-align: center;
    padding: 3rem;
    color: var(--text-muted);
    font-size: 1rem;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-color);
}

/* --- Animations --- */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.7; transform: scale(1.05); }
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .filter-section {
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
        margin-top: -3rem;
    }

    .filter-group select,
    .filter-group input[type="text"] {
        width: 100%;
    }

    .hero {
        padding: 4rem 1.5rem 6rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .events-grid {
        grid-template-columns: 1fr;
    }

    .form-row.two-col {
        grid-template-columns: 1fr;
    }
    .form-row.three-col {
        grid-template-columns: 1fr;
    }

    .modal-content {
        max-height: 95vh;
    }

    .submit-form {
        padding: 1.2rem 1.5rem 1.5rem;
    }

    .toast-notification {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
}

/* --- Scrollbar Styling --- */
.modal-content::-webkit-scrollbar {
    width: 6px;
}

.modal-content::-webkit-scrollbar-track {
    background: transparent;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Advertisement Area --- */
.ad-plaza {
    background: #F8F9FA;
    border: 1px dashed #ced4da;
    border-radius: var(--radius-sm);
    text-align: center;
    padding: 1.5rem;
    margin: 2.5rem 0;
    color: #6c757d;
    font-size: 0.9rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 120px;
}
.ad-plaza .ad-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}