/* ============================================
   かなで書類作成システム — 和モダンテーマ
   Design: #252525 × #3366ff × Washi
   a001 と統一されたデザイン
   ============================================ */

/* --- CSS Variables --- */
:root {
    --k-primary: #252525;
    --k-primary-light: #3a3a3a;
    --k-primary-dark: #1a1a1a;
    --k-accent: #3366FF;
    --k-accent-light: #5c85ff;
    --k-accent-dark: #1a4cd6;
    --k-accent-rgb: 51, 102, 255;
    --k-washi: #f7f5f0;
    --k-washi-dark: #edeae3;
    --k-ink: #2d2b28;
    --k-ink-light: #5a5752;
    --k-border: #ddd8cf;
    --k-border-light: #ece9e2;
    --k-white: #ffffff;
    --k-success: #10b40e;
    --k-danger: #ff8800;
    --k-warning: #ff3333;
    --k-info: #0c598d;
    --k-shadow: rgba(37, 37, 37, 0.08);
    --k-shadow-md: rgba(37, 37, 37, 0.14);
    --k-radius: 6px;
    --k-radius-lg: 10px;
    --k-transition: 0.2s ease;
}

/* --- Base --- */
body {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--k-washi);
    color: var(--k-ink);
    font-size: 0.9rem;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--k-primary);
    font-weight: 600;
    letter-spacing: 0.02em;
}

a {
    color: var(--k-primary-light);
    transition: color var(--k-transition);
}
a:hover {
    color: var(--k-accent-dark);
}

::selection {
    background: var(--k-accent-light);
    color: var(--k-primary-dark);
}

/* --- Navbar --- */
.navbar-kanade {
    background: linear-gradient(135deg, var(--k-primary-dark) 0%, var(--k-primary) 50%, var(--k-primary-light) 100%);
    box-shadow: 0 2px 12px var(--k-shadow-md);
    padding: 0.5rem 1rem;
    border-bottom: 2px solid var(--k-accent);
}

.navbar-kanade .navbar-brand {
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 700;
    font-size: 1.15rem;
    color: #ffffff !important;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.navbar-kanade .navbar-brand .brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: var(--k-accent);
    color: var(--k-white);
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 700;
}

.navbar-kanade .nav-link {
    color: rgba(255, 255, 255, 0.78) !important;
    font-size: 0.85rem;
    font-weight: 400;
    padding: 0.5rem 0.85rem !important;
    border-radius: var(--k-radius);
    transition: all var(--k-transition);
    position: relative;
}
.navbar-kanade .nav-link:hover,
.navbar-kanade .nav-link:focus {
    color: #fff !important;
    background: rgba(255, 255, 255, 0.08);
}
.navbar-kanade .nav-link.active,
.navbar-kanade .nav-link[aria-expanded="true"] {
    color: var(--k-accent-light) !important;
    background: rgba(var(--k-accent-rgb), 0.12);
}

.navbar-kanade .dropdown-menu {
    background: var(--k-white);
    border: 1px solid var(--k-border);
    border-radius: var(--k-radius);
    box-shadow: 0 8px 24px var(--k-shadow-md);
    padding: 0.4rem;
    margin-top: 0.3rem;
}
.navbar-kanade .dropdown-item {
    font-size: 0.85rem;
    padding: 0.45rem 0.85rem;
    border-radius: 4px;
    color: var(--k-ink);
    transition: all var(--k-transition);
}
.navbar-kanade .dropdown-item:hover {
    background: var(--k-washi);
    color: var(--k-primary);
}
.navbar-kanade .dropdown-item i {
    color: var(--k-accent);
    margin-right: 0.35rem;
    font-size: 0.9rem;
}
.navbar-kanade .dropdown-divider {
    border-color: var(--k-border-light);
    margin: 0.25rem 0;
}

.navbar-kanade .nav-user-name {
    color: var(--k-accent-light) !important;
    font-size: 0.8rem;
    opacity: 0.9;
}

/* --- Main Content Area --- */
.main-content {
    padding: 1.5rem 2rem;
    max-width: 100%;
}

/* --- Cards --- */
.card {
    background: var(--k-white);
    border: 1px solid var(--k-border-light);
    border-radius: var(--k-radius-lg);
    box-shadow: 0 1px 4px var(--k-shadow);
    transition: box-shadow var(--k-transition);
}
.card:hover {
    box-shadow: 0 2px 8px var(--k-shadow-md);
}
.card-header {
    background: var(--k-washi-dark);
    border-bottom: 1px solid var(--k-border);
    font-family: 'Noto Sans JP', sans-serif;
    font-weight: 600;
    color: var(--k-primary);
    padding: 0.75rem 1rem;
    border-radius: var(--k-radius-lg) var(--k-radius-lg) 0 0 !important;
}

/* --- Tables --- */
.table {
    margin-bottom: 0;
    font-size: 0.875rem;
}
.table > thead {
    background: var(--k-primary);
}
.table > thead th {
    background: var(--k-primary) !important;
    color: var(--k-white) !important;
    font-weight: 500;
    font-size: 0.8rem;
    letter-spacing: 0.03em;
    padding: 0.6rem 0.75rem;
    border-bottom: 2px solid var(--k-accent) !important;
    white-space: nowrap;
}
.table > tbody > tr {
    transition: background-color var(--k-transition);
}
.table-striped > tbody > tr:nth-of-type(odd) {
    --bs-table-striped-bg: rgba(247, 245, 240, 0.5);
}
.table-hover > tbody > tr:hover {
    --bs-table-hover-bg: rgba(var(--k-accent-rgb), 0.08);
}

/* --- Buttons --- */
.btn {
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: var(--k-radius);
    transition: all var(--k-transition);
    letter-spacing: 0.01em;
}

.btn-primary {
    background: var(--k-primary);
    border-color: var(--k-primary);
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--k-primary-light);
    border-color: var(--k-primary-light);
    box-shadow: 0 2px 8px rgba(30, 45, 74, 0.25);
}

.btn-outline-primary {
    color: var(--k-primary);
    border-color: var(--k-primary);
}
.btn-outline-primary:hover {
    background: var(--k-primary);
    border-color: var(--k-primary);
}

.btn-outline-secondary {
    color: var(--k-ink-light);
    border-color: var(--k-border);
}
.btn-outline-secondary:hover {
    background: var(--k-washi-dark);
    border-color: var(--k-border);
    color: var(--k-ink);
}

.btn-secondary {
    background: var(--k-ink-light);
    border-color: var(--k-ink-light);
}

.btn-success {
    background: var(--k-success);
    border-color: var(--k-success);
}
.btn-outline-success {
    color: var(--k-success);
    border-color: var(--k-success);
}
.btn-outline-success:hover {
    background: var(--k-success);
    border-color: var(--k-success);
}

.btn-danger {
    background: var(--k-danger);
    border-color: var(--k-danger);
}

.btn-warning {
    background: var(--k-warning);
    border-color: var(--k-warning);
    color: var(--k-white);
}
.btn-warning:hover {
    color: var(--k-white);
}

.btn-outline-info {
    color: var(--k-info);
    border-color: var(--k-info);
}
.btn-outline-info:hover {
    background: var(--k-info);
    border-color: var(--k-info);
    color: var(--k-white);
}

/* --- Forms --- */
.form-control, .form-select {
    border: 1px solid var(--k-border);
    border-radius: var(--k-radius);
    font-size: 0.875rem;
    padding: 0.45rem 0.75rem;
    background: var(--k-white);
    color: var(--k-ink);
    transition: border-color var(--k-transition), box-shadow var(--k-transition);
}
.form-control:focus, .form-select:focus {
    border-color: var(--k-accent);
    box-shadow: 0 0 0 3px rgba(var(--k-accent-rgb), 0.15);
}
.form-label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--k-ink-light);
    margin-bottom: 0.3rem;
}

/* --- Badges --- */
.badge {
    font-weight: 500;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    padding: 0.3em 0.6em;
    border-radius: 3px;
}
.badge.bg-secondary { background: var(--k-ink-light) !important; }
.badge.bg-success { background: var(--k-success) !important; }
.badge.bg-danger { background: var(--k-danger) !important; }
.badge.bg-warning { background: var(--k-warning) !important; color: var(--k-white) !important; }
.badge.bg-info { background: var(--k-info) !important; color: var(--k-white) !important; }

/* --- Alerts --- */
.alert {
    border-radius: var(--k-radius);
    font-size: 0.85rem;
    border-width: 0;
    border-left: 4px solid;
}
.alert-success {
    background: rgba(61, 122, 95, 0.08);
    border-left-color: var(--k-success);
    color: var(--k-success);
}
.alert-danger {
    background: rgba(160, 65, 60, 0.08);
    border-left-color: var(--k-danger);
    color: var(--k-danger);
}
.alert-info {
    background: rgba(58, 107, 140, 0.08);
    border-left-color: var(--k-info);
    color: var(--k-info);
}

/* --- Modals --- */
.modal-content {
    border: none;
    border-radius: var(--k-radius-lg);
    box-shadow: 0 16px 48px rgba(30, 45, 74, 0.2);
}
.modal-header {
    background: var(--k-washi-dark);
    border-bottom: 1px solid var(--k-border);
    border-radius: var(--k-radius-lg) var(--k-radius-lg) 0 0;
    padding: 0.85rem 1.25rem;
}
.modal-title {
    font-family: 'Noto Sans JP', sans-serif;
    font-size: 1rem;
    color: var(--k-primary);
}

/* --- Dashboard Tiles --- */
.dash-tile {
    aspect-ratio: 1 / 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-radius: var(--k-radius-lg);
    background: var(--k-white);
    border: 1px solid var(--k-border-light);
    box-shadow: 0 1px 4px var(--k-shadow);
    transition: all 0.25s ease;
    padding: 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    text-decoration: none;
}
.dash-tile::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--k-accent), var(--k-accent-light));
    opacity: 0;
    transition: opacity 0.25s ease;
}
.dash-tile:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px var(--k-shadow-md);
    border-color: var(--k-accent-light);
    text-decoration: none;
}
.dash-tile:hover::before {
    opacity: 1;
}
.dash-tile .tile-icon {
    font-size: 2.2rem;
    margin-bottom: 0.5rem;
    color: var(--k-accent);
}
.dash-tile .tile-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--k-primary);
    font-family: 'Noto Sans JP', sans-serif;
}

/* --- Page Header --- */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.page-header h2 {
    margin-bottom: 0;
    font-size: 1.35rem;
}

/* --- Login Page --- */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(160deg, var(--k-primary-dark) 0%, var(--k-primary) 40%, var(--k-primary-light) 100%);
    position: relative;
}
.login-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(var(--k-accent-rgb), 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(var(--k-accent-rgb), 0.06) 0%, transparent 50%);
}
.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--k-white);
    border-radius: var(--k-radius-lg);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    position: relative;
    z-index: 1;
}
.login-card-header {
    background: var(--k-washi);
    padding: 2rem 2rem 1.5rem;
    text-align: center;
    border-bottom: 2px solid var(--k-accent);
}
.login-card-header .brand-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--k-accent);
    color: var(--k-white);
    border-radius: 8px;
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}
.login-card-header h4 {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--k-primary);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}
.login-card-header .subtitle {
    color: var(--k-ink-light);
    font-size: 0.75rem;
    margin-top: 0.3rem;
}
.login-card-body {
    padding: 1.75rem 2rem 2rem;
}
.login-card-body .btn-primary {
    background: var(--k-primary);
    border-color: var(--k-primary);
    padding: 0.6rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
}
.login-card-body .btn-primary:hover {
    background: var(--k-primary-light);
    border-color: var(--k-primary-light);
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--k-washi);
}
::-webkit-scrollbar-thumb {
    background: var(--k-border);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--k-ink-light);
}

/* --- Responsive --- */
@media (max-width: 576px) {
    .main-content {
        padding: 1rem 0.75rem;
    }
    h2 {
        font-size: 1.15rem;
    }
    .table {
        font-size: 0.82rem;
    }
    .navbar-kanade .navbar-brand {
        font-size: 1rem;
    }
}

/* --- Print --- */
@media print {
    .navbar-kanade, .card, .pagination, .btn {
        display: none !important;
    }
    body {
        background: #fff;
    }
    .table {
        font-size: 10pt;
    }
}