/* ===== PawSign - スタイルシート ===== */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
    --font-main: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --sidebar-bg: #2E2B8F;
    --sidebar-active: rgba(255,255,255,0.18);
    --sidebar-hover: rgba(255,255,255,0.10);
    --sidebar-text: rgba(255,255,255,0.80);
    --sidebar-text-active: #ffffff;
    --sidebar-width: 160px;
    --bg-primary: #EEF1F8;
    --bg-secondary: #ffffff;
    --bg-tertiary: #F5F7FC;
    --text-primary: #1a1a2e;
    --text-secondary: #5a6272;
    --text-muted: #9aa3b0;
    --border: #E4E8F0;
    --border-focus: #4B45D4;
    --accent: #4B45D4;
    --accent-hover: #3b36c0;
    --accent-light: #ECEAFF;
    --accent-text: #ffffff;
    --danger: #ef4444;
    --danger-bg: #fee2e2;
    --danger-text: #991b1b;
    --success: #10b981;
    --success-bg: #d1fae5;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.10);
    --radius: 8px;
    --radius-lg: 12px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{font-size:14px;}
body{font-family:var(--font-main);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;}
a{color:var(--accent);text-decoration:none;}
a:hover{color:var(--accent-hover);}

/* Layout */
.app-layout{display:flex;min-height:100vh;}

/* Sidebar */
.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100;}
.sidebar-brand{padding:1.25rem 1rem 1.5rem;display:flex;align-items:center;gap:0.5rem;color:#fff;font-weight:700;font-size:1rem;text-decoration:none;}
.sidebar-brand svg{width:28px;height:28px;flex-shrink:0;}
.sidebar-nav{flex:1;display:flex;flex-direction:column;gap:2px;padding:0 0.5rem;}
.sidebar-nav-item{display:flex;align-items:center;gap:0.625rem;padding:0.6rem 0.75rem;border-radius:8px;color:var(--sidebar-text);font-size:0.85rem;font-weight:500;cursor:pointer;text-decoration:none;transition:all 0.15s ease;}
.sidebar-nav-item:hover{background:var(--sidebar-hover);color:#fff;}
.sidebar-nav-item.active{background:var(--sidebar-active);color:var(--sidebar-text-active);}
.sidebar-nav-item i{font-size:0.9rem;width:16px;text-align:center;}

/* Main */
.main-content{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column;min-height:100vh;}

/* Topbar */
.topbar{height:52px;background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:flex-end;padding:0 1.5rem;gap:1rem;position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm);}
.topbar-user{width:32px;height:32px;background:var(--accent);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:0.8rem;font-weight:600;}

/* Page */
.page-content{flex:1;padding:1.75rem;}
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.5rem;}
.page-header h1{font-size:1.375rem;font-weight:700;}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.55rem 1.1rem;border:none;border-radius:var(--radius);font-family:var(--font-main);font-size:0.85rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all 0.2s ease;white-space:nowrap;}
.btn-primary{background:var(--accent);color:var(--accent-text);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;}
.btn-outline{background:var(--bg-secondary);color:var(--text-secondary);border:1.5px solid var(--border);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-danger:hover{background:#dc2626;}
.btn-large{padding:0.75rem 1.5rem;font-size:0.95rem;}
.btn-sm{padding:0.375rem 0.75rem;font-size:0.8rem;}
.btn-icon{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--bg-secondary);color:var(--text-secondary);cursor:pointer;text-decoration:none;font-size:0.8rem;transition:all 0.2s ease;}
.btn-icon:hover{border-color:var(--accent);color:var(--accent);}
.btn-icon-danger:hover{border-color:var(--danger);color:var(--danger);}

/* Stats */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem;}
.stat-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-sm);}
.stat-label{font-size:0.8rem;color:var(--text-secondary);margin-bottom:0.5rem;display:block;}
.stat-value{font-size:2rem;font-weight:700;color:var(--text-primary);line-height:1;}

/* Quick Actions */
.quick-action-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem 1.5rem;box-shadow:var(--shadow-sm);}
.quick-action-title{font-size:0.9rem;font-weight:600;color:var(--text-secondary);margin-bottom:1rem;}
.quick-actions-row{display:flex;gap:0.75rem;}

/* Card */
.card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);margin-bottom:1.25rem;}
.card h3{font-size:0.95rem;font-weight:600;margin-bottom:1rem;color:var(--text-primary);display:flex;align-items:center;gap:0.5rem;}

/* Table */
.table-container{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);}
.data-table{width:100%;border-collapse:collapse;font-size:0.875rem;}
.data-table th{padding:0.875rem 1rem;background:var(--bg-tertiary);color:var(--text-secondary);font-weight:600;font-size:0.8rem;text-align:left;border-bottom:1px solid var(--border);}
.data-table td{padding:0.875rem 1rem;border-bottom:1px solid var(--border);color:var(--text-primary);vertical-align:middle;}
.data-table tr:last-child td{border-bottom:none;}
.data-table tr:hover td{background:var(--bg-tertiary);}
.contract-title{display:flex;align-items:center;gap:0.5rem;font-weight:500;}
.contract-title i{color:var(--danger);font-size:0.9rem;}
.action-buttons{display:flex;align-items:center;gap:0.375rem;}

/* Badges */
.status-badge{display:inline-flex;align-items:center;gap:0.375rem;padding:0.25rem 0.625rem;border-radius:20px;font-size:0.78rem;font-weight:600;}
.status-badge.pending{background:#FEF3C7;color:#92400E;}
.status-badge.signed{background:var(--success-bg);color:#065f46;}
.status-badge.draft{background:var(--bg-tertiary);color:var(--text-secondary);}

/* Alert */
.alert{display:flex;align-items:center;gap:0.75rem;padding:0.875rem 1rem;border-radius:var(--radius);margin-bottom:1.25rem;font-size:0.875rem;}
.alert-success{background:var(--success-bg);color:#065f46;border:1px solid #a7f3d0;}
.alert-error{background:var(--danger-bg);color:var(--danger-text);border:1px solid #fca5a5;}

/* Forms */
.form-group{margin-bottom:1.125rem;}
.form-group label{display:block;font-size:0.8rem;font-weight:600;color:var(--text-secondary);margin-bottom:0.375rem;}
.form-group input[type="text"],.form-group input[type="email"],.form-group input[type="date"],.form-group input[type="password"],.form-group select,.form-group textarea{width:100%;padding:0.6rem 0.75rem;border:1.5px solid var(--border);border-radius:var(--radius);font-family:var(--font-main);font-size:0.875rem;color:var(--text-primary);background:var(--bg-secondary);transition:border-color 0.2s ease;outline:none;}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--border-focus);}
.form-hint{font-size:0.75rem;color:var(--text-muted);margin-top:0.25rem;}
.form-section-title{font-size:0.9rem;font-weight:700;color:var(--text-primary);margin-bottom:0.875rem;margin-top:1.25rem;}

/* File input */
.file-input-row{display:flex;align-items:center;gap:0.75rem;}
.file-input-label{display:inline-flex;align-items:center;gap:0.5rem;padding:0.55rem 1rem;border:1.5px solid var(--border);border-radius:var(--radius);font-size:0.85rem;cursor:pointer;color:var(--text-secondary);background:var(--bg-secondary);transition:all 0.2s;}
.file-input-label:hover{border-color:var(--accent);color:var(--accent);}
.file-input-label input{display:none;}
.file-input-name{font-size:0.82rem;color:var(--text-muted);}

/* Back link */
.back-link{display:inline-flex;align-items:center;gap:0.375rem;color:var(--text-secondary);font-size:0.85rem;margin-bottom:1rem;text-decoration:none;transition:color 0.2s;}
.back-link:hover{color:var(--accent);}

/* Edit layout */
.edit-layout{display:grid;grid-template-columns:1fr 420px;gap:1.25rem;align-items:start;}

/* PDF Panel */
.pdf-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);}
.pdf-panel-header{padding:0.875rem 1.25rem;border-bottom:1px solid var(--border);font-size:0.9rem;font-weight:700;}
.pdf-tab-bar{display:flex;border-bottom:1px solid var(--border);}
.pdf-tab{flex:1;padding:0.625rem 1rem;font-size:0.82rem;font-weight:600;text-align:center;cursor:pointer;border:none;background:none;font-family:var(--font-main);color:var(--text-secondary);border-bottom:2px solid transparent;transition:all 0.2s;}
.pdf-tab.active{color:var(--accent);border-bottom-color:var(--accent);}
.pdf-nav{display:flex;align-items:center;gap:0.5rem;padding:0.625rem 1rem;border-bottom:1px solid var(--border);font-size:0.8rem;color:var(--text-secondary);}
.pdf-nav-pages{flex:1;text-align:center;font-weight:500;}
.pdf-zoom{display:flex;align-items:center;gap:0.375rem;font-size:0.8rem;}
.pdf-zoom button{width:24px;height:24px;border:1.5px solid var(--border);border-radius:4px;background:var(--bg-secondary);cursor:pointer;font-size:0.85rem;display:flex;align-items:center;justify-content:center;color:var(--text-primary);}
.pdf-canvas-wrapper{position:relative;overflow:auto;background:#6b6b6b;max-height:500px;}
.pdf-canvas-wrapper canvas{display:block;width:100%;}
.sig-stamp{position:absolute;cursor:move;user-select:none;border:2px solid;border-radius:4px;padding:2px 5px;font-size:10px;font-weight:700;background:rgba(255,255,255,0.85);}
.sig-stamp.own{border-color:#4B45D4;color:#4B45D4;}
.sig-stamp.other{border-color:#ef4444;color:#ef4444;}
.pdf-loading{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:0.5rem;background:rgba(255,255,255,0.9);color:var(--text-secondary);font-size:0.85rem;}

/* Sign Page */
.sign-page{min-height:100vh;background:#F5F7FC;display:flex;flex-direction:column;}
.sign-page-header{padding:1.5rem 2rem;text-align:center;}
.sign-page-header h1{font-size:1.25rem;font-weight:700;margin-bottom:0.25rem;}
.sign-page-header p{font-size:0.875rem;color:var(--text-secondary);}
.sign-main{flex:1;display:grid;grid-template-columns:300px 1fr;gap:0;max-width:1100px;margin:0 auto;width:100%;padding:0 1.5rem 2rem;}
.sign-left{padding-right:1.5rem;border-right:1px solid var(--border);}
.sign-right{padding-left:1.5rem;}
.method-title{font-size:0.82rem;font-weight:700;color:var(--text-secondary);margin-bottom:0.75rem;text-transform:uppercase;letter-spacing:0.03em;}
.method-option{border:1.5px solid var(--border);border-radius:var(--radius);padding:0.875rem 1rem;margin-bottom:0.5rem;cursor:pointer;transition:all 0.2s;background:var(--bg-secondary);}
.method-option:hover{border-color:var(--accent);}
.method-option.selected{border-color:var(--accent);background:var(--accent-light);}
.method-option-title{font-size:0.88rem;font-weight:600;color:var(--text-primary);}
.method-option-desc{font-size:0.78rem;color:var(--text-muted);margin-top:0.125rem;}
.stamp-preview{margin:1.25rem 0;text-align:center;font-size:0.75rem;color:var(--text-muted);}
.stamp-preview-label{margin-bottom:0.5rem;}
.stamp-circle{width:80px;height:80px;border:3px solid #CC2222;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto;font-size:0.72rem;font-weight:700;color:#CC2222;line-height:1.3;text-align:center;}
.approve-btn{width:100%;margin-top:1.5rem;padding:0.875rem;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:var(--font-main);font-size:0.95rem;font-weight:700;cursor:pointer;transition:background 0.2s;}
.approve-btn:hover{background:var(--accent-hover);}
.approve-btn:disabled{opacity:0.5;cursor:not-allowed;}
.approve-note{font-size:0.75rem;color:var(--text-muted);text-align:center;margin-top:0.5rem;}
.sign-pdf-nav{display:flex;align-items:center;gap:0.5rem;margin-bottom:0.875rem;font-size:0.82rem;color:var(--text-secondary);}
.sign-pdf-nav-center{flex:1;text-align:center;font-weight:500;}
.sign-pdf-title{font-size:1rem;font-weight:600;margin-bottom:1rem;}
.sign-pdf-wrapper{position:relative;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#666;}
.sign-pdf-wrapper canvas{display:block;width:100%;}

/* Upload zone */
.upload-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:1.5rem 1rem;text-align:center;color:var(--text-muted);cursor:pointer;transition:all 0.2s;font-size:0.85rem;position:relative;overflow:hidden;}
.upload-zone:hover{border-color:var(--accent);color:var(--accent);}
.upload-zone.dragover{border-color:var(--accent);background:var(--accent-light);}
.upload-zone i{font-size:1.5rem;margin-bottom:0.5rem;display:block;}
.upload-zone input[type="file"]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;}

/* Signature canvas */
.canvas-container{position:relative;border:1.5px solid var(--border);border-radius:var(--radius);overflow:hidden;background:#fff;}
.canvas-container canvas{display:block;width:100%;height:140px;}
.clear-btn{position:absolute;top:8px;right:8px;background:rgba(255,255,255,0.9);border:1px solid var(--border);border-radius:4px;padding:4px 8px;font-size:0.75rem;cursor:pointer;color:var(--text-secondary);}

/* Complete page */
.complete-page{min-height:100vh;background:#E3EFF0;display:flex;align-items:center;justify-content:center;padding:2rem;}
.complete-card{background:#fff;border-radius:20px;padding:2.5rem 2rem;max-width:420px;width:100%;box-shadow:var(--shadow-lg);text-align:center;position:relative;overflow:visible;}
.complete-paw{position:absolute;top:-18px;right:-18px;width:72px;height:72px;border-radius:50%;box-shadow:0 2px 10px rgba(0,0,0,0.1);background:#fff;padding:4px;}
.complete-check{width:56px;height:56px;background:#E6F8EF;border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.25rem;}
.complete-title{font-size:1.25rem;font-weight:700;color:#22C55E;margin-bottom:1rem;}
.complete-desc{font-size:0.875rem;color:var(--text-secondary);line-height:1.8;margin-bottom:0.5rem;}
.complete-note{font-size:0.8rem;color:var(--text-muted);margin-top:1rem;}

/* Sig tab */
.sig-tab-content{display:none;}
.sig-tab-content.active{display:block;}
.sig-tab-bar{display:flex;border-bottom:1px solid var(--border);margin-bottom:1rem;}
.sig-tab{flex:1;padding:0.5rem;font-size:0.82rem;font-weight:600;text-align:center;cursor:pointer;border:none;background:none;font-family:var(--font-main);color:var(--text-secondary);border-bottom:2px solid transparent;}
.sig-tab.active{color:var(--accent);border-bottom-color:var(--accent);}

/* Signature marker on PDF preview (sign page) */
.sig-marker-sign{
    position:absolute;left:50%;top:50%;
    width:68px;height:68px;
    border:2.5px solid #CC2222;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:0.65rem;font-weight:700;color:#CC2222;
    background:rgba(255,255,255,0.88);text-align:center;
    cursor:move;user-select:none;line-height:1.3;
    box-shadow:0 2px 8px rgba(0,0,0,0.12);z-index:10;
}
.sig-marker-sign:hover{box-shadow:0 4px 16px rgba(204,34,34,0.3);}

/* Stamp markers on admin PDF preview */
.sig-stamp{
    position:absolute;
    width:56px;height:56px;
    border:2.5px solid #CC2222;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    font-size:0.6rem;font-weight:700;color:#CC2222;
    background:rgba(255,255,255,0.88);text-align:center;
    cursor:move;user-select:none;line-height:1.2;
    box-shadow:0 2px 8px rgba(0,0,0,0.12);z-index:10;
}
.sig-stamp:hover{box-shadow:0 4px 16px rgba(204,34,34,0.3);}
.sig-stamp.own{border-color:#2E2B8F;color:#2E2B8F;}
.sig-stamp.other{border-color:#CC2222;color:#CC2222;}

/* Detail */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.25rem;margin-bottom:1.25rem;}
.detail-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1.5rem;gap:1rem;}
.detail-title{display:flex;align-items:center;gap:0.875rem;}
.detail-title i{font-size:1.5rem;color:var(--accent);}
.detail-title h1{font-size:1.25rem;font-weight:700;}
.detail-title p{font-size:0.82rem;color:var(--text-muted);}
.document-item{display:flex;align-items:center;gap:0.75rem;padding:0.75rem;border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);text-decoration:none;margin-bottom:0.5rem;transition:all 0.2s;font-size:0.875rem;}
.document-item:hover{border-color:var(--accent);color:var(--accent);}
.document-item i:first-child{color:var(--danger);}
.document-item i:last-child{margin-left:auto;}
.url-box{display:flex;align-items:center;gap:0.5rem;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius);padding:0.625rem 0.875rem;margin-bottom:0.5rem;}
.url-box code{flex:1;font-family:var(--font-mono);font-size:0.75rem;word-break:break-all;color:var(--text-primary);}
.url-meta{font-size:0.78rem;color:var(--text-muted);display:flex;align-items:center;gap:0.375rem;margin-bottom:0.75rem;}
.audit-table{width:100%;border-collapse:collapse;font-size:0.82rem;}
.audit-table th{padding:0.625rem 0.875rem;background:var(--bg-tertiary);color:var(--text-secondary);font-weight:600;text-align:left;border-bottom:1px solid var(--border);font-size:0.78rem;}
.audit-table td{padding:0.625rem 0.875rem;border-bottom:1px solid var(--border);vertical-align:middle;}
.audit-table tr:last-child td{border-bottom:none;}
.hash{font-family:var(--font-mono);font-size:0.7rem;max-width:200px;overflow:hidden;text-overflow:ellipsis;display:block;}

/* Auth */
.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:2rem;}
.auth-card{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem 2rem;width:100%;max-width:360px;box-shadow:var(--shadow-lg);}
.auth-brand{display:flex;align-items:center;gap:0.625rem;color:var(--accent);font-size:1.25rem;font-weight:700;margin-bottom:1.75rem;justify-content:center;}
.auth-card h2{font-size:1.125rem;font-weight:700;margin-bottom:1.5rem;text-align:center;}

/* Empty */
.empty-state{text-align:center;padding:3rem 2rem;color:var(--text-muted);}
.empty-state i{font-size:2.5rem;margin-bottom:0.75rem;display:block;}
.empty-state p{font-size:0.9rem;}

/* Misc */
.text-muted{color:var(--text-muted);}

/* Workflow steps */
.workflow-step{display:flex;gap:0.875rem;padding:1rem 0;border-bottom:1px solid var(--border);opacity:0.5;}
.workflow-step:last-child{border-bottom:none;}
.workflow-step.active{opacity:1;}
.workflow-step.done{opacity:1;}
.workflow-step.locked{opacity:0.45;}
.workflow-step-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:0.82rem;font-weight:700;flex-shrink:0;background:var(--bg-tertiary);color:var(--text-secondary);border:2px solid var(--border);}
.workflow-step.active .workflow-step-num{background:var(--accent);color:#fff;border-color:var(--accent);}
.workflow-step.done .workflow-step-num{background:var(--success);color:#fff;border-color:var(--success);}
.workflow-step-body{flex:1;min-width:0;}
.workflow-step-title{font-weight:700;font-size:0.9rem;margin-bottom:0.25rem;}
.workflow-step-desc{font-size:0.82rem;color:var(--text-secondary);}
.mb-1{margin-bottom:0.5rem;}
.mt-1{margin-top:0.5rem;}
.page-footer{text-align:center;padding:1rem;color:var(--text-muted);font-size:0.78rem;border-top:1px solid var(--border);}
.form-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow-sm);}
.checkbox-label{display:flex;align-items:flex-start;gap:0.625rem;cursor:pointer;font-size:0.875rem;color:var(--text-primary);}
.checkbox-label input{display:none;}
.checkbox-custom{width:18px;height:18px;border:1.5px solid var(--border);border-radius:4px;display:flex;align-items:center;justify-content:center;font-size:0.65rem;flex-shrink:0;margin-top:2px;transition:all 0.2s;color:transparent;background:#fff;}
.checkbox-label input:checked~.checkbox-custom{background:var(--accent);border-color:var(--accent);color:#fff;}
.status-badge.large{font-size:0.875rem;padding:0.375rem 0.875rem;}

@media(max-width:900px){
  .sidebar{width:56px;}
  .sidebar-brand span,.sidebar-nav-item span{display:none;}
  .main-content{margin-left:56px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .edit-layout{grid-template-columns:1fr;}
  .sign-main{grid-template-columns:1fr;}
  .detail-grid{grid-template-columns:1fr;}
}
@media(max-width:600px){
  .page-content{padding:1rem;}
}