/*
PSR Manager Project - Monotone Style
*/

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

body {
    font-family: 'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: #222222;
    background-color: #F5F5F5;
}

/* Color Variables */
:root {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F5;
    --bg-sidebar: #FAFAFA;
    --text-primary: #222222;
    --text-secondary: #666666;
    --border-color: #DDDDDD;
    --table-header: #EEEEEE;
    --button-primary: #333333;
    --button-hover: #222222;
    --link-color: #444444;
    --link-hover: #000000;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Top Bar */
.topbar {
    height: 56px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    padding: 0 24px;
}

.topbar-logo {
    font-size: 18px;
    font-weight: 300;
    color: var(--text-primary);
    text-decoration: none;
}

.topbar-user {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 16px;
}

.topbar-user .username {
    color: var(--text-secondary);
    font-size: 14px;
}

.topbar-user .logout-btn {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 6px 12px;
    border: 1px solid var(--border-color);
    border-radius: 3px;
    transition: all 0.2s ease;
}

.topbar-user .logout-btn:hover {
    background: var(--button-primary);
    color: var(--bg-primary);
    border-color: var(--button-primary);
}

/* Sidebar */
.sidebar {
    width: 220px;
    background: var(--bg-sidebar);
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    border-right: 1px solid var(--border-color);
}

.sidebar-menu {
    list-style: none;
    padding: 16px 0;
}

.sidebar-menu li {
    margin: 0;
}

.sidebar-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-primary);
    text-decoration: none;
    transition: all 0.15s ease;
}

.sidebar-menu a:hover {
    background: #F0F0F0;
}

.sidebar-menu a.active {
    background: var(--table-header);
    border-left: 3px solid var(--button-primary);
    font-weight: 600;
}

/* Main Content */
.main-content {
    margin-left: 220px;
    margin-top: 56px;
    padding: 24px;
    min-height: calc(100vh - 56px);
}

/* Cards */
.card {
    background: var(--bg-primary);
    padding: 20px;
    margin-bottom: 24px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.card-header {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

/* Summary Cards */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.summary-card {
    background: var(--bg-primary);
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.summary-card-value {
    font-size: 48px;
    font-weight: 300;
    color: var(--text-primary);
    line-height: 1.2;
}

.summary-card-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
}

table thead {
    background: var(--table-header);
}

table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--button-primary);
    border-bottom: 1px solid var(--border-color);
}

table td {
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
}

table tbody tr:nth-child(odd) {
    background: var(--bg-primary);
}

table tbody tr:nth-child(even) {
    background: #FAFAFA;
}

table tbody tr:hover {
    background: #F0F0F0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border-radius: 3px;
}

.btn-primary {
    background: var(--button-primary);
    color: var(--bg-primary);
}

.btn-primary:hover {
    background: var(--button-hover);
}

.btn-secondary {
    background: var(--bg-primary);
    color: var(--button-primary);
    border: 1px solid var(--button-primary);
}

.btn-secondary:hover {
    background: var(--button-primary);
    color: var(--bg-primary);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--button-primary);
    box-shadow: 0 0 0 2px rgba(51,51,51,0.1);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
    font-family: inherit;
}

/* Links */
a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    color: var(--link-hover);
    text-decoration: underline;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 3px;
}

.badge-draft {
    background: #EEEEEE;
    color: #666666;
}

.badge-in-review {
    background: var(--bg-primary);
    color: var(--button-primary);
    border: 1px solid var(--border-color);
}

.badge-submitted {
    background: #666666;
    color: var(--bg-primary);
}

.badge-closed {
    background: #000000;
    color: var(--bg-primary);
}

/* Login Page */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--bg-secondary);
}

.login-card {
    width: 100%;
    max-width: 360px;
    background: var(--bg-primary);
    padding: 40px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

.login-title {
    font-size: 24px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.login-btn {
    width: 100%;
    padding: 12px;
    background: var(--button-primary);
    color: var(--bg-primary);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.login-btn:hover {
    background: var(--button-hover);
}

/* Register Page */
.register-page {
    min-height: 100vh;
    padding: 32px 16px 64px;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.register-panel {
    width: 100%;
    max-width: 1120px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 35px rgba(0,0,0,0.08);
    display: flex;
    flex-wrap: wrap;
}

.register-info {
    flex: 1 1 45%;
    padding: 48px;
    background: #FBFBFB;
    border-right: 1px solid var(--border-color);
}

.register-info h1 {
    font-size: 30px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.register-info p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.register-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 20px;
    letter-spacing: 0.4px;
}

.register-highlights {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-bottom: 32px;
}

.register-highlights dt {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.register-highlights dd {
    margin: 0;
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.5;
}

.register-support {
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

.register-support-title {
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.register-card {
    flex: 1 1 55%;
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.register-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 16px;
    margin-bottom: 24px;
}

.register-title {
    font-size: 26px;
    font-weight: 600;
    margin: 0;
}

.register-subtitle {
    text-transform: uppercase;
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 0.8px;
    margin-bottom: 6px;
}

.register-header-link {
    font-size: 13px;
    color: var(--text-secondary);
    text-decoration: underline;
}

.register-error-summary ul {
    margin: 8px 0 0 18px;
    padding: 0;
}

.register-btn {
    width: 100%;
    padding: 12px;
    background: var(--button-primary);
    color: var(--bg-primary);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.register-btn:hover {
    background: var(--button-hover);
}

.register-login-link {
    margin-top: 14px;
    text-align: center;
    color: var(--text-secondary);
}

.form-text {
    display: block;
    margin-top: 4px;
    font-size: 12px;
    color: var(--text-secondary);
}

.field-error {
    margin-top: 6px;
    font-size: 13px;
    color: #C0392B;
}

@media (max-width: 1024px) {
    .register-panel {
        flex-direction: column;
    }

    .register-info {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

@media (max-width: 640px) {
    .register-info,
    .register-card {
        padding: 32px 24px;
    }

    .register-card-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    margin-bottom: 16px;
    border-radius: 3px;
}

.alert-success {
    background: #EEEEEE;
    color: var(--button-primary);
}

.alert-error {
    background: #F8F8F8;
    color: #555555;
    border: 1px solid #555555;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}

.pagination a, .pagination span {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
}

.pagination .current {
    background: var(--button-primary);
    color: var(--bg-primary);
    border-color: var(--button-primary);
}

.pagination a:hover {
    background: #F0F0F0;
    text-decoration: none;
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.d-flex { display: flex; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }