/* ============================================================
 * File: assets/css/app.css
 * MemoFlow — Glassmorphism Teal Design System
 * ============================================================ */

:root{
  --primary:#0EA5A4; --primary-dark:#0B8281; --primary-light:#2DD4BF;
  --accent:#06B6D4;
  --primary-rgb:14,165,164;
  --btn-primary-rgb:13,148,136;
  --btn-primary-bg:#0D9488;
  --gradient-primary:linear-gradient(135deg,#0EA5A4 0%,#06B6D4 55%,#22D3EE 100%);
  --bg-gradient:linear-gradient(135deg,#E0F7FA 0%,#ECFEFF 50%,#D1FAF5 100%);
  --surface:rgba(255,255,255,0.62);
  --surface-hover:rgba(255,255,255,0.85);
  --surface-solid:#FFFFFF;
  --border:rgba(var(--primary-rgb),0.16);
  --border-strong:rgba(var(--primary-rgb),0.38);
  --text-primary:#0B2E2E; --text-secondary:#385454; --text-muted:#6B8585;
  --success:#10B981; --warning:#F59E0B; --danger:#EF4444; --info:#3B82F6;
  --glass-blur:blur(22px) saturate(180%);
  --glass-shadow:0 8px 32px rgba(var(--primary-rgb),0.12);
  --radius-md:12px; --radius-lg:16px; --radius-xl:22px;
}
[data-theme="dark"]{
  --bg-gradient:linear-gradient(135deg,#021A1A 0%,#04302E 55%,#021F22 100%);
  --surface:rgba(8,40,40,0.62);
  --surface-hover:rgba(12,55,55,0.85);
  --surface-solid:#06201F;
  --border:rgba(45,212,191,0.2);
  --border-strong:rgba(45,212,191,0.48);
  --text-primary:#E6FFFB; --text-secondary:#B5DAD6; --text-muted:#7DA09C;
  --glass-shadow:0 8px 32px rgba(0,0,0,0.5);
}

*{font-family:'Prompt',system-ui,sans-serif;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg-gradient);background-attachment:fixed;color:var(--text-primary);min-height:100vh;margin:0;transition:background .4s,color .3s;}

/* ---------- Glass ---------- */
.glass{background:var(--surface);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border:1px solid var(--border);box-shadow:var(--glass-shadow);}
.glass-hover{transition:.3s cubic-bezier(.4,0,.2,1);}
.glass-hover:hover{transform:translateY(-3px);box-shadow:0 14px 40px rgba(var(--primary-rgb),.22);border-color:var(--border-strong);}

/* ---------- Buttons ---------- */
.btn-primary{background:var(--btn-primary-bg);color:#fff;font-weight:600;border:none;cursor:pointer;box-shadow:0 5px 16px rgba(var(--btn-primary-rgb),.4);transition:.2s;display:inline-flex;align-items:center;gap:6px;}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(var(--btn-primary-rgb),.55);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:var(--surface);border:1px solid var(--border);color:var(--text-secondary);transition:.2s;cursor:pointer;display:inline-flex;align-items:center;gap:6px;}
.btn-ghost:hover{background:var(--surface-hover);color:var(--text-primary);}
.btn-danger{background:rgba(239,68,68,.13);color:var(--danger);border:none;cursor:pointer;font-weight:600;transition:.2s;}
.btn-danger:hover{background:rgba(239,68,68,.22);}
.btn-success{background:rgba(16,185,129,.13);color:var(--success);border:none;cursor:pointer;font-weight:600;transition:.2s;}
.btn-success:hover{background:rgba(16,185,129,.22);}

/* ---------- Forms ---------- */
.form-input,.form-select,.form-textarea{background:var(--surface);backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:var(--radius-md);padding:11px 14px;color:var(--text-primary);width:100%;font-size:14px;transition:.2s;}
.form-input::placeholder,.form-textarea::placeholder{color:var(--text-muted);}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--primary-rgb),.16);background:var(--surface-hover);}
.form-label{display:block;font-size:14px;font-weight:500;margin-bottom:6px;color:var(--text-secondary);}
.form-select option{background:var(--surface-solid);color:var(--text-primary);}

/* ---------- Content editor (paste/drop images) ---------- */
.content-editor-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:8px;}
.content-editor{
  min-height:220px;max-height:520px;overflow-y:auto;resize:vertical;
  background:var(--surface);backdrop-filter:blur(10px);border:1px solid var(--border);
  border-radius:var(--radius-md);padding:12px 14px;color:var(--text-primary);
  font-size:14px;line-height:1.7;transition:.2s;white-space:pre-wrap;word-break:break-word;
}
.content-editor:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(var(--primary-rgb),.16);background:var(--surface-hover);}
.content-editor.is-dragover{border-color:var(--primary);background:rgba(var(--primary-rgb),.08);box-shadow:0 0 0 4px rgba(var(--primary-rgb),.16);}
.content-editor.is-empty:before{
  content:attr(data-placeholder);color:var(--text-muted);pointer-events:none;display:block;
}
.content-editor img,.memo-content img{
  display:block;max-width:100%;width:100%;height:auto;margin:10px 0;border-radius:10px;
  border:1px solid var(--border);background:#fff;
}
.content-editor-img-wrap{margin:8px 0;}
.content-editor p{margin:0 0 .6em;}
.memo-content{white-space:normal;}
.memo-content p{margin:0 0 .75em;}
.memo-content p:last-child{margin-bottom:0;}

/* ---------- Attachment upload (mobile / webapp-friendly) ---------- */
.attach-upload{display:flex;flex-direction:column;gap:10px;}
.attach-zone{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:112px;padding:18px 16px;text-align:center;overflow:hidden;
  border:1.5px dashed var(--border);border-radius:var(--radius-md);
  background:var(--surface);color:var(--text-secondary);transition:.2s;
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;user-select:none;
}
.attach-zone:hover,.attach-zone.is-dragover,.attach-zone:focus-within{
  border-color:var(--primary);background:rgba(var(--primary-rgb),.06);
  box-shadow:0 0 0 4px rgba(var(--primary-rgb),.14);color:var(--text-primary);
}
.attach-zone.is-dragover{background:rgba(var(--primary-rgb),.1);}
/* ทับทั้งโซน — สำคัญต่อ Webapp/iOS ที่ไม่เปิด picker จาก input[hidden] */
.attach-input-native{
  position:absolute;inset:0;width:100%;height:100%;opacity:0;z-index:2;cursor:pointer;
  font-size:20px; /* iOS: พื้นที่แตะกว้างขึ้น */
  border:0;padding:0;margin:0;
}
.attach-zone-ui{
  pointer-events:none;z-index:1;display:flex;flex-direction:column;align-items:center;gap:6px;
}
.attach-zone-icon{font-size:22px;line-height:1;}
.attach-zone-title{font-size:14px;font-weight:600;color:var(--text-primary);}
.attach-zone-hint{font-size:12px;line-height:1.5;color:var(--text-muted);max-width:36em;}
.attach-rules{
  display:grid;gap:4px;padding:10px 12px;border-radius:var(--radius-md);
  background:rgba(var(--primary-rgb),.05);border:1px solid rgba(var(--primary-rgb),.12);
  font-size:12px;line-height:1.55;color:var(--text-muted);
}
.attach-rules strong{color:var(--text-secondary);font-weight:600;}
.attach-rules-danger{
  background:rgba(239,68,68,.06);border-color:rgba(239,68,68,.22);
  color:var(--text-secondary);
}
.attach-rules-danger strong{color:var(--danger);}
.attach-file-list{display:flex;flex-direction:column;gap:8px;position:relative;z-index:3;}
.attach-file-row{
  display:flex;align-items:flex-start;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:var(--radius-md);border:1px solid var(--border);
  background:var(--surface);
}
.attach-file-row.is-invalid{border-color:rgba(239,68,68,.45);background:rgba(239,68,68,.06);}
.attach-file-main{display:flex;gap:10px;min-width:0;flex:1;}
.attach-file-icon{flex-shrink:0;font-size:16px;line-height:1.4;}
.attach-file-meta{min-width:0;}
.attach-file-name{font-size:13px;font-weight:600;color:var(--text-primary);word-break:break-word;}
.attach-file-sub{font-size:11px;color:var(--text-muted);margin-top:2px;word-break:break-all;}
.attach-file-errors{font-size:11px;color:var(--danger);margin-top:4px;line-height:1.4;}
.attach-file-remove{
  flex-shrink:0;width:36px;height:36px;border:none;border-radius:10px;cursor:pointer;
  background:rgba(239,68,68,.1);color:var(--danger);font-size:20px;line-height:1;
  display:inline-flex;align-items:center;justify-content:center;
  -webkit-tap-highlight-color:transparent;touch-action:manipulation;
}
.attach-file-remove:hover{background:rgba(239,68,68,.2);}
.attach-summary{font-size:12px;color:var(--text-muted);}
.attach-summary.is-error{color:var(--danger);font-weight:600;}
.attach-upload.has-error .attach-zone{border-color:rgba(239,68,68,.4);}
@media (max-width:640px){
  .attach-zone{min-height:132px;padding:22px 14px;}
  .attach-zone-title{font-size:15px;}
  .attach-file-remove{width:44px;height:44px;}
  .attach-rules,.attach-rules-danger{font-size:11px;}
}

/* ---------- Badges ---------- */
.badge{padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;display:inline-flex;align-items:center;gap:5px;white-space:nowrap;}
.b-success{background:rgba(16,185,129,.15);color:var(--success);}
.b-warning{background:rgba(245,158,11,.16);color:var(--warning);}
.b-danger{background:rgba(239,68,68,.15);color:var(--danger);}
.b-info{background:rgba(59,130,246,.15);color:var(--info);}
.b-primary{background:rgba(var(--primary-rgb),.15);color:var(--primary);}
.b-muted{background:rgba(120,120,120,.15);color:var(--text-muted);}

/* ---------- Table ---------- */
.glass-table{width:100%;border-collapse:separate;border-spacing:0;}
.glass-table thead th{padding:13px 16px;text-align:left;font-size:13px;font-weight:600;color:var(--text-muted);border-bottom:1px solid var(--border);}
.glass-table tbody td{padding:13px 16px;border-bottom:1px solid var(--border);color:var(--text-secondary);font-size:14px;}
.glass-table tbody tr{transition:.15s;}
.glass-table tbody tr:hover{background:var(--surface-hover);}
.glass-table tbody tr:last-child td{border-bottom:none;}

/* ---------- Sidebar ---------- */
.sidebar{width:260px;transition:transform .3s,width .3s;}
.sidebar.collapsed{width:78px;}
.sidebar.collapsed .nav-text,.sidebar.collapsed .brand-text,.sidebar.collapsed .user-text{display:none;}
.sidebar.collapsed .nav-item{justify-content:center;}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:12px;color:var(--text-secondary);font-weight:500;font-size:14px;transition:.2s;cursor:pointer;text-decoration:none;}
.nav-item:hover{background:var(--surface-hover);color:var(--text-primary);}
.nav-item.active{background:var(--gradient-primary);color:#fff;box-shadow:0 6px 16px rgba(var(--primary-rgb),.4);}
.nav-item svg{flex-shrink:0;}

/* ---------- Modal ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(2,20,20,.55);backdrop-filter:blur(6px);z-index:100;display:flex;align-items:center;justify-content:center;padding:16px;animation:fi .2s;}
.modal{background:var(--surface-solid);border:1px solid var(--border);border-radius:var(--radius-xl);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 24px 60px rgba(0,0,0,.3);animation:su .25s cubic-bezier(.4,0,.2,1);}
@keyframes fi{from{opacity:0}to{opacity:1}}
@keyframes su{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* ---------- Animations ---------- */
.fade-up{animation:fadeUp .5s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}
.icon-box{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar{width:8px;height:8px;}
::-webkit-scrollbar-track{background:transparent;}
::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;}

/* ---------- Layout ---------- */
@media(max-width:1024px){
  .sidebar{position:fixed;top:0;left:0;height:100vh;z-index:60;transform:translateX(-100%);}
  .sidebar.open{transform:translateX(0);}
  .main-content{margin-left:0 !important;}
  .sidebar-backdrop.show{display:block;}
}
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:55;}

/* ---------- Print ---------- */
@media print{
  body{background:#fff !important;color:#000 !important;}
  .sidebar,.topbar,.no-print,.sidebar-backdrop{display:none !important;}
  .main-content{margin-left:0 !important;}
  .glass{background:#fff !important;backdrop-filter:none !important;border:1px solid #ddd !important;box-shadow:none !important;}
  .glass-table thead th{background:#f1f5f9 !important;color:#000 !important;}
  @page{margin:1.4cm;size:A4;}
}