/* ============================================================
   TandaApp — Mobile-First CSS
   ============================================================ */

:root {
  --primary:    #2D6A4F;
  --primary-dk: #1B4332;
  --primary-lt: #52B788;
  --accent:     #52B788;
  --danger:     #E63946;
  --danger-lt:  #FFCCD5;
  --warning:    #F4A261;
  --warning-lt: #FFF3E0;
  --success-lt: #D8F3DC;
  --bg:         #EEF2EF;
  --surface:    #FFFFFF;
  --border:     #DDE5E0;
  --text:       #1A2B22;
  --text-muted: #6B7D72;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow:     0 2px 10px rgba(0,0,0,.07);
  --shadow-md:  0 4px 20px rgba(0,0,0,.12);
  --nav-h:      64px;
  --header-h:   56px;
}

/* ─── Reset ─── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  font-family:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  font-size:16px;line-height:1.55;color:var(--text);background:var(--bg);
  min-height:100vh;
  padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px) + 8px);
}
a{color:var(--primary);text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}

/* ─── Top header ─── */
.app-header{
  position:sticky;top:0;z-index:90;
  background:var(--primary);color:#fff;
  height:var(--header-h);
  display:flex;align-items:center;padding:0 16px;gap:10px;
  box-shadow:0 2px 12px rgba(0,0,0,.18);
}
.app-header h1{font-size:18px;font-weight:700;flex:1;letter-spacing:-.2px;}
.header-back{
  color:#fff;font-size:22px;width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:var(--radius-sm);
  -webkit-tap-highlight-color:transparent;
}
.header-back:hover{background:rgba(255,255,255,.12);}
.header-action{
  color:#fff;font-size:14px;font-weight:600;
  padding:7px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.15);
  white-space:nowrap;
}

/* ─── Bottom nav ─── */
.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;
  height:calc(var(--nav-h) + env(safe-area-inset-bottom,0px));
  padding-bottom:env(safe-area-inset-bottom,0px);
  background:var(--surface);
  border-top:1px solid var(--border);
  display:flex;justify-content:space-around;align-items:flex-start;
  padding-top:8px;z-index:100;
  box-shadow:0 -2px 16px rgba(0,0,0,.08);
}
.nav-item{
  display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:4px 12px;color:var(--text-muted);text-decoration:none;
  border-radius:var(--radius-sm);min-width:52px;
  transition:color .15s;-webkit-tap-highlight-color:transparent;
}
.nav-item svg{width:24px;height:24px;}
.nav-item span{font-size:10px;font-weight:600;}
.nav-item.active{color:var(--primary);}

/* ─── Desktop sidebar ─── */
.desktop-nav{display:none;}
.main-with-sidebar{}

/* ─── Page content ─── */
.page{padding:16px;max-width:768px;margin:0 auto;}
.page-wrapper{}

/* ─── Cards ─── */
.card{
  background:var(--surface);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:16px;margin-bottom:12px;
}
.card-title{
  font-size:12px;font-weight:700;text-transform:uppercase;
  letter-spacing:.6px;color:var(--text-muted);margin-bottom:10px;
}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.card-header h2{font-size:17px;font-weight:700;}

/* ─── Stat grid ─── */
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:16px;}
.stat-card{
  background:var(--surface);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:14px 10px;text-align:center;
}
.stat-number{font-size:26px;font-weight:800;color:var(--primary);line-height:1.1;}
.stat-label{font-size:10px;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:.4px;font-weight:600;}
.stat-card.accent .stat-number{color:var(--accent);}
.stat-card.danger  .stat-number{color:var(--danger);}
.stat-card.warning .stat-number{color:var(--warning);}

/* ─── Buttons ─── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:13px 20px;border-radius:var(--radius-sm);border:none;cursor:pointer;
  font-size:15px;font-weight:700;line-height:1;text-decoration:none;
  transition:opacity .15s,transform .1s;-webkit-tap-highlight-color:transparent;
  white-space:nowrap;
}
.btn:active{transform:scale(.97);}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;}
.btn-primary {background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-dk);}
.btn-accent  {background:var(--accent);color:#fff;}
.btn-danger  {background:var(--danger);color:#fff;}
.btn-outline {background:transparent;border:2px solid var(--primary);color:var(--primary);padding:11px 18px;}
.btn-ghost   {background:transparent;color:var(--primary);padding:9px 14px;}
.btn-sm      {padding:9px 14px;font-size:13px;}
.btn-full    {width:100%;}

/* ─── FAB ─── */
.fab{
  position:fixed;
  bottom:calc(var(--nav-h) + env(safe-area-inset-bottom,0px) + 16px);
  right:20px;width:56px;height:56px;border-radius:50%;
  background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-md);border:none;cursor:pointer;z-index:80;
  text-decoration:none;-webkit-tap-highlight-color:transparent;
}
.fab svg{width:26px;height:26px;}

/* ─── Forms ─── */
.form-group{margin-bottom:16px;}
.form-label{
  display:block;font-size:12px;font-weight:700;
  color:var(--text-muted);margin-bottom:6px;
  text-transform:uppercase;letter-spacing:.4px;
}
.form-control{
  width:100%;padding:13px 14px;
  border:2px solid var(--border);border-radius:var(--radius-sm);
  font-size:16px;color:var(--text);background:var(--surface);
  transition:border-color .15s;-webkit-appearance:none;appearance:none;
}
.form-control:focus{outline:none;border-color:var(--primary);}
.form-control.error{border-color:var(--danger);}
.form-hint{font-size:12px;color:var(--text-muted);margin-top:5px;}
.form-error{font-size:12px;color:var(--danger);margin-top:5px;font-weight:600;}

select.form-control{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7D72' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 14px center;padding-right:40px;
}
textarea.form-control{resize:vertical;min-height:80px;}
.password-wrap{position:relative;}
.password-toggle{
  position:absolute;right:12px;top:50%;transform:translateY(-50%);
  background:none;border:none;color:var(--text-muted);cursor:pointer;padding:6px;
}

/* ─── Badges ─── */
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:100px;
  font-size:11px;font-weight:700;white-space:nowrap;letter-spacing:.2px;
}
.badge-success{background:var(--success-lt);color:#1B4332;}
.badge-danger {background:var(--danger-lt);color:#9D0208;}
.badge-warning{background:var(--warning-lt);color:#7C3803;}
.badge-muted  {background:#EAEAEA;color:var(--text-muted);}
.badge-primary{background:var(--primary);color:#fff;}

/* ─── Tables ─── */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -16px;padding:0 16px;}
table{width:100%;border-collapse:collapse;font-size:14px;}
th{
  background:var(--bg);padding:10px 12px;text-align:left;
  font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.4px;color:var(--text-muted);
  border-bottom:2px solid var(--border);white-space:nowrap;
}
td{padding:12px;border-bottom:1px solid var(--border);vertical-align:middle;}
tr:last-child td{border-bottom:none;}

/* ─── Payment grid ─── */
.payment-grid{margin:0 -16px;padding:0 16px;overflow-x:auto;-webkit-overflow-scrolling:touch;}
.payment-grid table{min-width:500px;}
.payment-cell{text-align:center;padding:8px 4px !important;cursor:pointer;}
.payment-cell:hover{background:rgba(0,0,0,.03);}
.dot{
  width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto;font-size:12px;font-weight:700;
}
.dot-ok     {background:var(--success-lt);color:#1B4332;}
.dot-late   {background:var(--danger-lt);color:#9D0208;}
.dot-pending{background:#EAEAEA;color:var(--text-muted);}
.dot-advance{background:#E8F4FD;color:#1A56DB;}
.dot-self   {background:var(--primary);color:#fff;}

/* ─── Avatar ─── */
.avatar{
  width:40px;height:40px;border-radius:50%;
  background:var(--success-lt);color:var(--primary-dk);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;flex-shrink:0;
}
.avatar-sm{width:32px;height:32px;font-size:12px;}

/* ─── List items ─── */
.list-item{display:flex;align-items:center;gap:12px;padding:13px 0;border-bottom:1px solid var(--border);}
.list-item:last-child{border-bottom:none;}
.list-item-body{flex:1;min-width:0;}
.list-item-title{font-size:15px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.list-item-sub{font-size:13px;color:var(--text-muted);margin-top:2px;}

/* ─── Flash messages ─── */
.flash{
  padding:14px 16px;border-radius:var(--radius-sm);margin-bottom:16px;
  font-size:14px;font-weight:600;display:flex;align-items:flex-start;gap:10px;
}
.flash-success{background:var(--success-lt);color:#1B4332;}
.flash-error  {background:var(--danger-lt);color:#9D0208;}
.flash-warning{background:var(--warning-lt);color:#7C3803;}
.flash-info   {background:#E8F4FD;color:#1A56DB;}
.flash svg{flex-shrink:0;margin-top:1px;}

/* ─── Upload area ─── */
.upload-area{
  border:2px dashed var(--border);border-radius:var(--radius);
  padding:28px 16px;text-align:center;color:var(--text-muted);
  background:var(--bg);cursor:pointer;transition:border-color .15s,background .15s;
}
.upload-area:hover,.upload-area.dragover{border-color:var(--primary);background:var(--success-lt);}
.upload-area input[type=file]{display:none;}
.upload-preview{margin-top:14px;}
.upload-preview img{max-height:220px;border-radius:var(--radius-sm);margin:0 auto;box-shadow:var(--shadow);}

/* ─── Section title ─── */
.section-title{
  font-size:12px;font-weight:700;text-transform:uppercase;
  letter-spacing:.5px;color:var(--text-muted);margin:20px 0 10px;
}

/* ─── Progress bar ─── */
.progress{background:var(--border);border-radius:100px;height:8px;overflow:hidden;}
.progress-bar{height:100%;background:var(--primary);border-radius:100px;transition:width .3s;}

/* ─── Empty state ─── */
.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted);}
.empty-state svg{width:64px;height:64px;opacity:.25;margin:0 auto 16px;}
.empty-state p{font-size:16px;}

/* ─── Bottom sheet / modal ─── */
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.5);
  z-index:200;display:flex;align-items:flex-end;justify-content:center;
  animation:fadeIn .2s;
}
.sheet{
  background:var(--surface);border-radius:var(--radius) var(--radius) 0 0;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom,0px));
  width:100%;max-height:85vh;overflow-y:auto;animation:slideUp .25s;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{transform:translateY(40px)}to{transform:translateY(0)}}
.sheet-handle{width:40px;height:4px;background:var(--border);border-radius:100px;margin:0 auto 16px;}

/* ─── Login page ─── */
.login-page{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(145deg,var(--primary-dk) 0%,#1E5E3B 50%,var(--primary) 100%);
}
.login-box{
  background:var(--surface);border-radius:var(--radius);
  padding:28px 24px;width:100%;max-width:380px;
  box-shadow:0 8px 40px rgba(0,0,0,.25);
}
.login-logo{text-align:center;margin-bottom:28px;}
.logo-icon{
  width:68px;height:68px;background:var(--primary);border-radius:18px;
  display:flex;align-items:center;justify-content:center;margin:0 auto 14px;
  box-shadow:0 6px 20px rgba(45,106,79,.4);
}
.logo-icon svg{width:36px;height:36px;color:#fff;}
.login-logo h1{font-size:26px;font-weight:800;color:var(--text);}
.login-logo p{font-size:14px;color:var(--text-muted);margin-top:4px;}

/* ─── Tanda card ─── */
.tanda-card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-bottom:12px;}
.tanda-card-header{background:linear-gradient(135deg,var(--primary-dk),#2D7A58);color:#fff;padding:16px;}
.tanda-card-header h3{font-size:18px;font-weight:800;}
.tanda-card-header p{font-size:12px;opacity:.8;margin-top:3px;}
.tanda-card-body{padding:14px 16px;}
.tanda-card-footer{padding:10px 16px;border-top:1px solid var(--border);display:flex;gap:8px;}
.tanda-info-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px;}
.tanda-info-row:last-child{border-bottom:none;}
.tanda-info-label{color:var(--text-muted);}
.tanda-info-value{font-weight:700;}

/* ─── Número circle ─── */
.numero-circle{
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--primary);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:800;flex-shrink:0;
}
.numero-circle.winner{background:var(--primary);color:#fff;border-color:var(--primary);}

/* ─── Installer styles ─── */
.installer-page{
  min-height:100vh;background:var(--bg);padding:20px;
  display:flex;flex-direction:column;align-items:center;
  justify-content:flex-start;padding-top:40px;
}
.installer-box{
  background:var(--surface);border-radius:var(--radius);
  box-shadow:var(--shadow-md);padding:28px 24px;
  width:100%;max-width:520px;
}
.installer-logo{text-align:center;margin-bottom:24px;}
.installer-logo h1{font-size:28px;font-weight:800;color:var(--primary);}
.installer-step{
  display:flex;align-items:center;gap:10px;padding:10px 14px;
  border-radius:var(--radius-sm);margin-bottom:6px;font-size:14px;
}
.step-ok  {background:var(--success-lt);color:#1B4332;}
.step-err {background:var(--danger-lt);color:#9D0208;}
.step-info{background:#E8F4FD;color:#1A56DB;}

/* ─── Utilities ─── */
.text-primary{color:var(--primary);}
.text-muted  {color:var(--text-muted);}
.text-danger {color:var(--danger);}
.text-success{color:var(--accent);}
.text-sm     {font-size:13px;}
.text-xs     {font-size:11px;}
.text-center {text-align:center;}
.fw-bold     {font-weight:800;}
.fw-600      {font-weight:600;}
.d-flex      {display:flex;}
.align-center{align-items:center;}
.gap-8       {gap:8px;}
.gap-12      {gap:12px;}
.flex-1      {flex:1;}
.mt-8        {margin-top:8px;}
.mt-16       {margin-top:16px;}
.mb-8        {margin-bottom:8px;}
.mb-16       {margin-bottom:16px;}
.ml-auto     {margin-left:auto;}
.separator   {border:none;border-top:1px solid var(--border);margin:16px 0;}

/* ─── Tablet / desktop ─── */
@media(min-width:768px){
  body{padding-bottom:0;}
  .bottom-nav{display:none;}
  .mobile-only{display:none !important;}

  .desktop-nav{
    display:flex;flex-direction:column;
    width:220px;position:fixed;top:0;left:0;bottom:0;
    background:var(--primary-dk);padding:0;z-index:100;overflow-y:auto;
  }
  .desktop-nav .logo{
    padding:20px 20px 24px;color:#fff;font-size:19px;font-weight:800;
    border-bottom:1px solid rgba(255,255,255,.1);display:flex;align-items:center;gap:8px;
  }
  .desktop-nav .nav-item{
    flex-direction:row;padding:13px 20px;border-radius:0;
    gap:10px;color:rgba(255,255,255,.65);font-size:14px;min-width:auto;width:100%;
  }
  .desktop-nav .nav-item span{font-size:14px;font-weight:600;}
  .desktop-nav .nav-item.active{color:#fff;background:rgba(255,255,255,.12);}
  .desktop-nav .nav-item:hover{color:#fff;background:rgba(255,255,255,.08);}
  .desktop-nav .nav-logout{
    margin-top:auto;padding:16px 20px;border-top:1px solid rgba(255,255,255,.1);
    color:rgba(255,255,255,.5);font-size:13px;
  }

  .main-with-sidebar{margin-left:220px;}
  .stat-grid{grid-template-columns:repeat(4,1fr);}
  .page{padding:24px 28px;}
}
@media(max-width:767px){
  .desktop-nav{display:none;}
  .desktop-only{display:none !important;}
}

/* ─── Animations ─── */
@keyframes slideDown{
  from{opacity:0;transform:translateX(-50%) translateY(-10px)}
  to  {opacity:1;transform:translateX(-50%) translateY(0)}
}
@keyframes spin{to{transform:rotate(360deg)}}
.spinner{
  display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.4);
  border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;
}

/* ─── Print ─── */
@media print{
  .bottom-nav,.fab,.app-header{display:none!important;}
  body{padding:0;background:#fff;}
  .card{box-shadow:none;border:1px solid #ddd;}
}