/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Black & White Minimalistic Theme */
    --black: #000000;
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;

    --background: var(--white);
    --surface: var(--white);
    --text: var(--black);
    --text-secondary: var(--gray-500);
    --border: var(--gray-200);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    font-weight: 400;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Header */
.header {
    padding: 40px 0 60px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 60px;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 20px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
    text-align: left;
    letter-spacing: -0.5px;
}

.subtitle {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
    text-align: left;
    letter-spacing: 0.3px;
}

/* Card */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    padding: 40px;
    margin-bottom: 40px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 32px;
    letter-spacing: -0.3px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 32px;
}

/* Form Styles */
.notice-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    padding: 12px 16px;
    border: 1px solid var(--border);
    font-size: 14px;
    font-family: inherit;
    color: var(--text);
    background: var(--surface);
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--black);
}

.form-group input[type="file"] {
    padding: 10px 12px;
    font-size: 13px;
}

.hint {
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

/* Buttons */
.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 16px;
}

.btn {
    padding: 12px 24px;
    border: 1px solid var(--border);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    font-family: inherit;
    background: var(--surface);
    color: var(--text);
    letter-spacing: 0.3px;
}

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

.btn-primary:hover {
    background: var(--gray-800);
    border-color: var(--gray-800);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text);
}

.btn-secondary:hover {
    background: var(--gray-50);
}

.btn-small {
    padding: 8px 16px;
    font-size: 12px;
}

.btn-icon {
    display: none;
}

/* Notices List */
.notices-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--border);
    border: 1px solid var(--border);
}

.notice-item {
    padding: 24px;
    background: var(--surface);
    transition: background 0.2s ease;
}

.notice-item:hover {
    background: var(--gray-50);
}

.notice-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 12px;
}

.notice-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
    letter-spacing: -0.2px;
}

.notice-date {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.notice-message {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 16px;
}

.notice-meta {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 500;
    background: var(--gray-100);
    color: var(--text-secondary);
    border: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.active {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
}

.notice-actions {
    display: flex;
    gap: 8px;
}

.btn-danger {
    background: var(--black);
    color: var(--white);
    border-color: var(--black);
    padding: 6px 12px;
    font-size: 11px;
}

.btn-danger:hover {
    background: var(--gray-800);
}

/* Loading State */
.loading {
    text-align: center;
    padding: 60px;
    color: var(--text-secondary);
    font-size: 13px;
    letter-spacing: 0.3px;
}

.empty-state {
    text-align: center;
    padding: 80px 20px;
}

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 16px;
    opacity: 0.3;
}

.empty-state-text {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 16px 24px;
    background: var(--black);
    color: var(--white);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
    z-index: 1000;
    max-width: 400px;
    font-size: 13px;
    border: 1px solid var(--black);
}

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

/* Footer */
.footer {
    text-align: center;
    padding: 60px 20px 40px;
    color: var(--text-secondary);
    font-size: 11px;
    letter-spacing: 0.5px;
    border-top: 1px solid var(--border);
    margin-top: 60px;
}

/* Responsive */
@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 24px;
    }

    .header {
        padding: 24px 0 40px;
    }

    .logo {
        font-size: 18px;
    }
}