/* ============================================
   TimeTrack Pro – Fresh Color Design System
   Palette: Teal + Coral + Clean White
   ============================================ */
:root {
  --bg-deep:        #050d1a;
  --bg-surface:     #0a1628;
  --bg-card:        #0f1f35;
  --card-bg:        #0f1f35;
  --border:         rgba(255,255,255,.07);
  --border-hover:   rgba(0,212,180,.4);

  /* Fresh teal-to-cyan primary */
  --accent-primary: #00d4b4;
  --accent-coral:   #ff6b6b;
  --accent-amber:   #ffa726;
  --accent-green:   #26de81;
  --accent-blue:    #45aaf2;

  --text-primary:   #f0f4f8;
  --text-secondary: #8fa8c0;
  --text-muted:     #4d6680;

  --gradient-primary: linear-gradient(135deg,#00d4b4,#0099cc);
  --gradient-coral:   linear-gradient(135deg,#ff6b6b,#ff4757);
  --gradient-green:   linear-gradient(135deg,#26de81,#20bf6b);
  --gradient-amber:   linear-gradient(135deg,#ffa726,#fb8c00);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow-card: 0 4px 20px rgba(0,0,0,.4);
  --shadow-glow: 0 0 30px rgba(0,212,180,.2);
  --nav-h: 58px;
  --bottom-nav-h: 66px;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-tap-highlight-color:transparent;scroll-behavior:smooth}
body{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg-deep);
  color:var(--text-primary);
  font-size:14px;line-height:1.6;
  min-height:100vh;overflow-x:hidden;
}

/* Background subtle mesh */
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(ellipse 60% 40% at 80% 10%,rgba(0,212,180,.07) 0%,transparent 60%),
    radial-gradient(ellipse 50% 50% at 10% 80%,rgba(255,107,107,.05) 0%,transparent 60%);
}
.app-wrapper{position:relative;z-index:1;display:flex;flex-direction:column;min-height:100vh}

/* ── Typography ── */
h1{font-size:22px;font-weight:800}
h2{font-size:18px;font-weight:700}
h3{font-size:15px;font-weight:600}
a{color:var(--accent-primary);text-decoration:none}
a:hover{text-decoration:underline}

/* ── Scrollbar ── */
::-webkit-scrollbar{width:4px;height:4px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(0,212,180,.3);border-radius:99px}

/* ============================================
   TOP NAV
   ============================================ */
.top-nav{
  position:sticky;top:0;z-index:100;
  height:var(--nav-h);
  background:rgba(5,13,26,.92);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(0,212,180,.1);
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;gap:12px;
}
.top-nav .nav-brand{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:16px;letter-spacing:-.3px;
  background:var(--gradient-primary);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.top-nav .nav-brand .brand-icon{
  width:34px;height:34px;
  background:var(--gradient-primary);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;-webkit-text-fill-color:white;
  box-shadow:0 4px 14px rgba(0,212,180,.35);
}
.top-nav .nav-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:36px;height:36px;
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  border-radius:10px;
  display:flex;align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;
  position:relative;transition:all .2s;
  color:var(--text-primary);text-decoration:none;
}
.icon-btn:hover{border-color:rgba(0,212,180,.4);background:rgba(0,212,180,.1)}
.badge-dot{
  position:absolute;top:5px;right:5px;
  width:8px;height:8px;
  background:var(--accent-coral);
  border-radius:50%;border:2px solid var(--bg-deep);
}

/* ============================================
   PAGE BODY
   ============================================ */
.page-body{
  flex:1;padding:16px;
  padding-bottom:calc(var(--bottom-nav-h) + 16px);
  max-width:500px;margin:0 auto;width:100%;
}

/* ============================================
   BOTTOM NAV
   ============================================ */
.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;
  height:var(--bottom-nav-h);
  background:rgba(10,22,40,.97);
  backdrop-filter:blur(24px);
  -webkit-backdrop-filter:blur(24px);
  border-top:1px solid rgba(0,212,180,.1);
  display:flex;z-index:100;
}
.bottom-nav a{
  flex:1;display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:3px;padding:6px 0;
  color:var(--text-muted);font-size:10px;font-weight:600;
  text-decoration:none;transition:all .25s;
  position:relative;letter-spacing:.2px;
}
.bottom-nav a .nav-icon{font-size:22px;line-height:1;transition:transform .25s}
.bottom-nav a.active{color:var(--accent-primary)}
.bottom-nav a.active .nav-icon{transform:scale(1.15)}
.bottom-nav a.active::before{
  content:'';
  position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:36px;height:3px;
  background:var(--gradient-primary);
  border-radius:0 0 8px 8px;
}

/* ── FAB ── */
.fab{
  position:fixed;bottom:calc(var(--bottom-nav-h) + 14px);right:16px;
  width:52px;height:52px;
  background:var(--gradient-primary);
  border-radius:16px;
  display:flex;align-items:center;justify-content:center;
  font-size:26px;color:#fff;
  box-shadow:0 8px 24px rgba(0,212,180,.45);
  cursor:pointer;z-index:99;text-decoration:none;
  transition:transform .2s,box-shadow .2s;
}
.fab:hover{transform:scale(1.06);box-shadow:0 12px 32px rgba(0,212,180,.6)}

/* ============================================
   CARDS
   ============================================ */
.card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:16px;box-shadow:var(--shadow-card);
  transition:border-color .2s,transform .2s;
}
.card:hover{border-color:rgba(0,212,180,.2)}
.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.card-title{font-size:13px;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}

/* ── Stat cards ── */
.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}
.stat-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:16px;display:flex;flex-direction:column;gap:6px;
  transition:border-color .2s,transform .2s;
  position:relative;overflow:hidden;
}
.stat-card::after{
  content:'';position:absolute;top:-20px;right:-20px;
  width:80px;height:80px;border-radius:50%;
  background:rgba(0,212,180,.05);
}
.stat-card:hover{border-color:rgba(0,212,180,.25);transform:translateY(-2px)}
.stat-icon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;margin-bottom:4px;
}
.stat-value{font-size:28px;font-weight:800;line-height:1}
.stat-label{font-size:10px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.6px}

/* Color helpers */
.icon-teal   {background:rgba(0,212,180,.15)}
.icon-coral  {background:rgba(255,107,107,.15)}
.icon-amber  {background:rgba(255,167,38,.15)}
.icon-green  {background:rgba(38,222,129,.15)}
.icon-blue   {background:rgba(69,170,242,.15)}
.icon-indigo {background:rgba(99,102,241,.15)}
.icon-red    {background:rgba(239,68,68,.15)}
.text-teal   {color:var(--accent-primary)}
.text-coral  {color:var(--accent-coral)}
.text-amber  {color:var(--accent-amber)}
.text-green  {color:var(--accent-green)}
.text-blue   {color:var(--accent-blue)}
.text-indigo {color:#818cf8}
.text-red    {color:var(--accent-coral)}

/* compat aliases */
.icon-indigo,.icon-red{background:rgba(99,102,241,.15)}
.text-indigo{color:#818cf8}

/* ============================================
   FORMS
   ============================================ */
.form-group{margin-bottom:16px}
.form-label{
  display:block;font-size:11px;font-weight:700;
  color:var(--text-secondary);margin-bottom:6px;
  text-transform:uppercase;letter-spacing:.6px;
}
.form-control{
  width:100%;padding:12px 14px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-md);
  color:var(--text-primary);
  font-size:14px;font-family:inherit;
  transition:border-color .2s,box-shadow .2s;
  -webkit-appearance:none;
}
.form-control:focus{
  outline:none;
  border-color:var(--accent-primary);
  box-shadow:0 0 0 3px rgba(0,212,180,.12);
  background:rgba(0,212,180,.04);
}
.form-control::placeholder{color:var(--text-muted)}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:80px}

.input-icon{position:relative}
.input-icon-left{position:absolute;left:12px;top:50%;transform:translateY(-50%);font-size:16px;pointer-events:none}
.input-icon .form-control{padding-left:40px}
.input-icon-right{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;font-size:16px;cursor:pointer;padding:4px;color:var(--text-muted)}

.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* ============================================
   BUTTONS
   ============================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  gap:6px;padding:12px 20px;
  border-radius:var(--radius-md);
  font-size:14px;font-weight:700;font-family:inherit;
  border:none;cursor:pointer;
  transition:all .2s;text-decoration:none;
  white-space:nowrap;letter-spacing:.2px;
}
.btn:active{transform:scale(.97)}
.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:0 4px 16px rgba(0,212,180,.3)}
.btn-primary:hover{box-shadow:0 6px 24px rgba(0,212,180,.5);filter:brightness(1.05)}
.btn-success{background:var(--gradient-green);color:#fff;box-shadow:0 4px 16px rgba(38,222,129,.3)}
.btn-danger{background:var(--gradient-coral);color:#fff;box-shadow:0 4px 16px rgba(255,107,107,.3)}
.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-secondary)}
.btn-outline:hover{border-color:var(--accent-primary);color:var(--accent-primary)}
.btn-sm{padding:7px 14px;font-size:12px;border-radius:var(--radius-sm)}
.btn-block{width:100%}
.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-sm)}

/* ============================================
   BADGES & STATUS
   ============================================ */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:4px 10px;border-radius:99px;
  font-size:11px;font-weight:700;
}
.badge-pending {background:rgba(255,167,38,.15);color:var(--accent-amber);border:1px solid rgba(255,167,38,.3)}
.badge-approved{background:rgba(38,222,129,.15);color:var(--accent-green);border:1px solid rgba(38,222,129,.3)}
.badge-rejected{background:rgba(255,107,107,.15);color:var(--accent-coral);border:1px solid rgba(255,107,107,.3)}

/* ============================================
   ALERTS
   ============================================ */
.alert{
  padding:12px 14px;border-radius:var(--radius-md);
  font-size:13px;margin-bottom:16px;
  display:flex;align-items:flex-start;gap:8px;line-height:1.5;
}
.alert-danger {background:rgba(255,107,107,.1);border:1px solid rgba(255,107,107,.25);color:#ffa0a0}
.alert-success{background:rgba(38,222,129,.1);border:1px solid rgba(38,222,129,.25);color:#7eedb7}
.alert-info   {background:rgba(0,212,180,.1);border:1px solid rgba(0,212,180,.25);color:#7ff0e0}

/* ============================================
   PAGE HEADER
   ============================================ */
.page-header{margin-bottom:20px}
.page-header h1{font-size:20px;font-weight:800;background:var(--gradient-primary);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-header p{color:var(--text-muted);font-size:13px;margin-top:3px}
.page-header-row{display:flex;align-items:center;justify-content:space-between}

/* ============================================
   TIMESHEET LIST
   ============================================ */
.ts-list{display:flex;flex-direction:column;gap:10px}
.ts-item{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:14px;
  transition:border-color .2s,transform .15s;
}
.ts-item:hover{border-color:rgba(0,212,180,.25);transform:translateY(-1px)}
.ts-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px}
.ts-date{font-weight:800;font-size:15px}
.ts-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:8px}
.ts-meta-item{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--text-secondary)}
.ts-desc{font-size:12px;color:var(--text-muted);line-height:1.5}
.ts-actions{display:flex;gap:8px;margin-top:12px;flex-wrap:wrap}

/* ============================================
   EMPLOYEE CARDS
   ============================================ */
.emp-card{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:14px;
  display:flex;align-items:center;gap:12px;
  transition:border-color .2s,transform .15s;
}
.emp-card:hover{border-color:rgba(0,212,180,.25);transform:translateY(-1px)}
.emp-avatar{
  width:44px;height:44px;
  background:var(--gradient-primary);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:700;color:#fff;flex-shrink:0;
  box-shadow:0 4px 12px rgba(0,212,180,.3);
}
.emp-info{flex:1;min-width:0}
.emp-name{font-weight:700;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.emp-role{font-size:11px;color:var(--text-muted)}
.emp-actions{display:flex;gap:6px;flex-shrink:0}

/* ============================================
   PROFILE
   ============================================ */
.profile-hero{text-align:center;padding:24px 0 20px}
.profile-avatar{
  width:84px;height:84px;
  background:var(--gradient-primary);
  border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:36px;font-weight:700;color:#fff;
  margin:0 auto 12px;
  border:3px solid rgba(0,212,180,.4);
  box-shadow:0 0 0 6px rgba(0,212,180,.1),0 8px 24px rgba(0,212,180,.3);
}
.profile-name{font-size:20px;font-weight:800}
.profile-title{font-size:13px;color:var(--text-muted)}

.info-list{display:flex;flex-direction:column;gap:0}
.info-row{
  display:flex;align-items:center;gap:12px;
  padding:12px 0;border-bottom:1px solid var(--border);
}
.info-row:last-child{border-bottom:none}
.info-icon{font-size:20px;width:32px;text-align:center;flex-shrink:0}
.info-label{font-size:11px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}
.info-value{font-size:14px;font-weight:600}

/* ============================================
   FILTER BAR
   ============================================ */
.filter-bar{
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:12px;
  margin-bottom:16px;display:flex;flex-direction:column;gap:10px;
}

/* ============================================
   MODAL / BOTTOM SHEET
   ============================================ */
.modal-overlay{
  position:fixed;inset:0;z-index:200;
  background:rgba(0,0,0,.7);
  backdrop-filter:blur(6px);
  display:flex;align-items:flex-end;justify-content:center;
  opacity:0;pointer-events:none;transition:opacity .25s;
}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-sheet{
  background:var(--bg-surface);
  border-radius:24px 24px 0 0;
  border-top:1px solid rgba(0,212,180,.15);
  width:100%;max-width:500px;
  max-height:90vh;overflow-y:auto;
  padding:20px 20px 36px;
  transform:translateY(100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.modal-overlay.open .modal-sheet{transform:translateY(0)}
.modal-handle{
  width:40px;height:4px;
  background:rgba(0,212,180,.3);
  border-radius:99px;margin:0 auto 20px;
}
.modal-title{font-size:18px;font-weight:800;margin-bottom:16px}

/* ============================================
   SPINNER
   ============================================ */
.spinner{
  display:inline-block;width:16px;height:16px;
  border:2px solid rgba(255,255,255,.3);
  border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* ============================================
   EMPTY STATE
   ============================================ */
.empty-state{text-align:center;padding:40px 20px}
.empty-state .empty-icon{font-size:52px;margin-bottom:12px;opacity:.7}
.empty-state p{color:var(--text-muted);font-size:14px}

/* ============================================
   TABLE
   ============================================ */
.table-wrap{overflow-x:auto;border-radius:var(--radius-md)}
table{width:100%;border-collapse:collapse;font-size:13px}
thead th{padding:10px 12px;background:rgba(0,212,180,.05);color:var(--text-muted);font-weight:700;text-align:left;white-space:nowrap;font-size:11px;text-transform:uppercase;letter-spacing:.5px}
tbody td{padding:10px 12px;border-top:1px solid var(--border)}
tbody tr:hover td{background:rgba(0,212,180,.03)}

/* ============================================
   SECTION TITLE
   ============================================ */
.section-title{
  font-size:11px;font-weight:700;color:var(--text-muted);
  text-transform:uppercase;letter-spacing:.8px;
  margin:20px 0 10px;
}

/* ============================================
   TABS
   ============================================ */
.tabs{display:flex;gap:4px;background:var(--bg-card);border-radius:var(--radius-md);padding:4px;margin-bottom:16px}
.tab-btn{
  flex:1;padding:8px 4px;background:none;border:none;
  border-radius:var(--radius-sm);font-size:12px;font-weight:700;
  color:var(--text-muted);cursor:pointer;transition:all .2s;font-family:inherit;
}
.tab-btn.active{background:var(--gradient-primary);color:#fff}

/* ============================================
   WELCOME BANNER (dashboard)
   ============================================ */
.welcome-banner{
  background:var(--gradient-primary);
  border-radius:var(--radius-xl);
  padding:20px;margin-bottom:20px;
  position:relative;overflow:hidden;
}
.welcome-banner::before{
  content:'⏱';position:absolute;right:-10px;top:-10px;
  font-size:80px;opacity:.1;line-height:1;
}
.welcome-banner h2{font-size:18px;font-weight:800;color:#fff;margin-bottom:4px}
.welcome-banner p{font-size:13px;color:rgba(255,255,255,.8)}

/* ============================================
   MOBILE TOUCH IMPROVEMENTS
   ============================================ */
.btn,.icon-btn,.bottom-nav a,.fab{
  -webkit-tap-highlight-color:transparent;
  touch-action:manipulation;
}
input,select,textarea{font-size:16px !important} /* prevent iOS zoom */

/* ============================================
   RESPONSIVE – desktop (≥768px)
   ============================================ */
@media(min-width:768px){
  :root{--bottom-nav-h:0px}
  .bottom-nav{display:none}
  .fab{bottom:24px}
  .page-body{max-width:740px;padding:24px}
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .form-row-3{grid-template-columns:repeat(3,1fr)}
}

/* ============================================
   UTILITIES
   ============================================ */
.mt-0{margin-top:0}.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}
.text-right{text-align:right}.text-center{text-align:center}
.d-flex{display:flex}.align-center{align-items:center}.justify-between{justify-content:space-between}
.gap-1{gap:8px}.gap-2{gap:12px}
.fw-bold{font-weight:700}.text-sm{font-size:12px}
.text-muted{color:var(--text-muted)}.w-100{width:100%}