/* ============================================================
   A-AIRCON.JP 案件管理システム — スタイルシート
   ============================================================ */

:root {
    --primary:       #1a5fa8;
    --primary-dark:  #134880;
    --primary-light: #e8f0fc;
    --accent:        #f08000;
    --accent-dark:   #c86800;
    --success:       #1d8a4a;
    --success-bg:    #d4edda;
    --danger:        #c0392b;
    --danger-bg:     #fde8e6;
    --warning:       #856404;
    --warning-bg:    #fff3cd;
    --text:          #222;
    --text-muted:    #666;
    --border:        #d4d8dd;
    --bg:            #f4f6f9;
    --white:         #fff;
    --radius:        6px;
    --shadow:        0 2px 8px rgba(0,0,0,.10);
}

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

body {
    font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Meiryo", sans-serif;
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */

.container { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.site-header {
    background: var(--primary);
    color: var(--white);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 6px rgba(0,0,0,.2);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
}
.logo-mark {
    background: var(--accent);
    color: var(--white);
    width: 28px; height: 28px;
    border-radius: 4px;
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; font-weight: 900;
}
.logo-text { font-size: 15px; letter-spacing: .03em; }

.site-nav {
    display: flex;
    align-items: center;
    gap: 16px;
}
.site-nav a { color: rgba(255,255,255,.9); font-size: 13px; }
.site-nav a:hover { color: var(--white); text-decoration: none; }
.nav-user {
    font-size: 13px;
    color: rgba(255,255,255,.75);
    padding-right: 8px;
    border-right: 1px solid rgba(255,255,255,.3);
}

.main-content { padding: 28px 0 60px; }

.site-footer {
    background: #2a2a2a;
    color: rgba(255,255,255,.5);
    text-align: center;
    padding: 20px;
    font-size: 12px;
}

/* ---- Buttons ---- */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 18px;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: .15s;
    text-decoration: none !important;
    line-height: 1.4;
}
.btn:active { transform: translateY(1px); }

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

.btn-accent     { background: var(--accent); color: var(--white); border-color: var(--accent); }
.btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); }

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

.btn-danger     { background: var(--danger); color: var(--white); border-color: var(--danger); }
.btn-danger:hover { background: #a93226; }

.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-lg { padding: 12px 28px; font-size: 15px; }
.btn-block { width: 100%; justify-content: center; }

/* ---- Forms ---- */

.form-group { margin-bottom: 18px; }
.form-label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 13px; }
.form-label .required { color: var(--danger); margin-left: 4px; font-size: 11px; }

.form-control {
    display: block;
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 14px;
    font-family: inherit;
    background: var(--white);
    transition: border-color .15s;
}
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(26,95,168,.15);
}
textarea.form-control { resize: vertical; min-height: 90px; }

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

.form-check { display: flex; align-items: center; gap: 8px; }
.form-check input[type="checkbox"] { width: 16px; height: 16px; }

/* ---- Cards ---- */

.card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: var(--shadow);
    padding: 24px;
    margin-bottom: 20px;
}
.card-header {
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 12px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px;
}
.card-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
}

/* ---- Page heading ---- */

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 10px;
}
.page-title { font-size: 20px; font-weight: 700; color: var(--primary); }

/* ---- Table ---- */

.table-wrap { overflow-x: auto; }

table.data-table {
    width: 100%;
    border-collapse: collapse;
}
.data-table th {
    background: var(--primary);
    color: var(--white);
    padding: 10px 12px;
    text-align: left;
    font-size: 13px;
    white-space: nowrap;
}
.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.data-table tr:hover td { background: var(--primary-light); }
.data-table td.amount { font-weight: 700; color: var(--danger); }

/* ---- Badge / Status ---- */

.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .03em;
}
.badge-open    { background: #d4edda; color: #155724; }
.badge-closed  { background: #e2e3e5; color: #383d41; }
.badge-active  { background: #cce5ff; color: #004085; }
.badge-selected { background: #d4edda; color: #155724; }
.badge-rejected { background: #f8d7da; color: #721c24; }

/* ---- Alert ---- */

.alert {
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 18px;
    font-size: 14px;
}
.alert-success { background: var(--success-bg); color: var(--success); border-left: 4px solid var(--success); }
.alert-error   { background: var(--danger-bg);  color: var(--danger);  border-left: 4px solid var(--danger); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border-left: 4px solid #ffc107; }
.alert-info    { background: var(--primary-light); color: var(--primary); border-left: 4px solid var(--primary); }

/* ---- Auth pages ---- */

.auth-wrap {
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.auth-card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0,0,0,.12);
    padding: 40px 36px;
    width: 100%;
    max-width: 420px;
}
.auth-logo {
    text-align: center;
    margin-bottom: 28px;
}
.auth-logo .logo-mark {
    width: 48px; height: 48px;
    font-size: 26px;
    margin: 0 auto 10px;
}
.auth-logo h1 { font-size: 18px; color: var(--primary); }
.auth-logo p  { font-size: 12px; color: var(--text-muted); }

/* ---- Project detail ---- */

.project-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px 24px;
}
@media (max-width: 600px) {
    .project-detail { grid-template-columns: 1fr; }
}

.detail-item { margin-bottom: 6px; }
.detail-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-bottom: 2px;
}
.detail-value { font-size: 14px; }
.detail-value.large { font-size: 16px; font-weight: 700; }

/* ---- LINE preview box ---- */

.line-message-box {
    background: #f5f5f5;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-size: 13px;
    white-space: pre-wrap;
    word-break: break-all;
    line-height: 1.8;
    font-family: inherit;
    position: relative;
}
.line-copy-btn {
    position: absolute;
    top: 8px;
    right: 8px;
}
.line-copy-btn.copied {
    background: var(--success);
    border-color: var(--success);
}

/* ---- Form page (public) ---- */

.form-page-header {
    background: var(--primary);
    color: var(--white);
    border-radius: 8px;
    padding: 20px 24px;
    margin-bottom: 24px;
}
.form-page-header h2 { font-size: 18px; margin-bottom: 4px; }
.form-page-header p  { font-size: 13px; opacity: .85; }

.project-info-box {
    background: var(--primary-light);
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    border-radius: 0 6px 6px 0;
    margin-bottom: 24px;
    font-size: 13px;
    line-height: 1.9;
}

.bid-count-box {
    background: var(--white);
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 16px 20px;
    text-align: center;
    margin-bottom: 20px;
}
.bid-count-box .count { font-size: 36px; font-weight: 900; color: var(--primary); }
.bid-count-box .label { font-size: 13px; color: var(--text-muted); }

/* ---- Passkey form ---- */

.passkey-wrap {
    max-width: 440px;
    margin: 60px auto;
    text-align: center;
}
.passkey-icon {
    font-size: 48px;
    margin-bottom: 12px;
}
.passkey-wrap h2 { font-size: 18px; color: var(--primary); margin-bottom: 8px; }
.passkey-wrap p  { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }

.otp-input {
    text-align: center;
    letter-spacing: .4em;
    font-size: 24px;
    font-weight: 700;
}

/* ---- Stats row ---- */

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 14px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 16px;
    text-align: center;
}
.stat-card .stat-num { font-size: 28px; font-weight: 900; color: var(--primary); }
.stat-card .stat-label { font-size: 12px; color: var(--text-muted); margin-top: 2px; }

/* ---- Responsive ---- */

@media (max-width: 768px) {
    .site-header .container { flex-wrap: wrap; height: auto; padding: 10px 16px; }
    .site-nav { flex-wrap: wrap; gap: 8px; }
    .card { padding: 16px; }
    .auth-card { padding: 24px 20px; }
    .page-header { flex-direction: column; align-items: flex-start; }
}