/* ============================================================
   GREATLOSER.DE – Platform CSS
   assets/css/platform.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Barlow:wght@300;400;500;600;700;900&display=swap');

:root {
  --fire:     #FF3D00;
  --fire-hover: #FF6D00;
  --gold:     #FFB300;
  --green:    #00C853;
  --blue:     #2979FF;
  --dark:     #0A0A0A;
  --card:     #141414;
  --card2:    #1C1C1C;
  --border:   rgba(255,255,255,0.08);
  --silver:   #9E9E9E;
  --white:    #F5F5F5;
  --sidebar-w: 260px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--dark);
  color: var(--white);
  font-family: 'Barlow', sans-serif;
  font-size: 15px;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; }

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

/* ---- SIDEBAR ---- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 50;
  overflow-y: auto;
  transition: transform 0.3s;
}

.sidebar-logo {
  padding: 28px 24px 20px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: 3px;
  border-bottom: 1px solid var(--border);
}

.sidebar-logo span { color: var(--fire); }

.sidebar-user {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-avatar {
  width: 42px;
  height: 42px;
  background: var(--fire);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.1rem;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
  flex-shrink: 0;
}

.user-name { font-weight: 700; font-size: 0.9rem; }
.user-role { font-size: 0.75rem; color: var(--silver); text-transform: uppercase; letter-spacing: 1px; }

.sidebar-nav { flex: 1; padding: 16px 0; }

.nav-section {
  padding: 10px 24px 4px;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--silver);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 24px;
  color: var(--silver);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
  border-left: 3px solid transparent;
  cursor: pointer;
  position: relative;
}

.nav-item:hover, .nav-item.active {
  color: var(--white);
  background: rgba(255,61,0,0.08);
  border-left-color: var(--fire);
}

.nav-item .icon { font-size: 1.1rem; width: 22px; text-align: center; }

.nav-badge {
  margin-left: auto;
  background: var(--fire);
  color: var(--white);
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 2px;
  min-width: 20px;
  text-align: center;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
}

.sidebar-footer a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--silver);
  font-size: 0.85rem;
  padding: 8px 0;
  transition: color 0.2s;
}

.sidebar-footer a:hover { color: var(--fire); }

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

/* ---- TOP BAR ---- */
.topbar {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 16px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 40;
}

.topbar-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.5rem;
  letter-spacing: 2px;
}

.topbar-actions { display: flex; align-items: center; gap: 16px; }

.notif-btn {
  position: relative;
  width: 38px;
  height: 38px;
  background: var(--card2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

.notif-btn:hover { border-color: var(--fire); }

.notif-count {
  position: absolute;
  top: -5px; right: -5px;
  background: var(--fire);
  color: white;
  font-size: 0.6rem;
  font-weight: 700;
  width: 16px;
  height: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

/* ---- PAGE CONTENT ---- */
.page-content { padding: 32px; flex: 1; }

/* ---- CARDS ---- */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 28px;
}

.card-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.3rem;
  letter-spacing: 2px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card-title .title-icon { font-size: 1.2rem; }

/* ---- GRID ---- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

/* ---- STAT CARDS ---- */
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  border-left: 3px solid var(--fire);
  position: relative;
  overflow: hidden;
}

.stat-card::after {
  content: attr(data-icon);
  position: absolute;
  right: 20px; top: 50%;
  transform: translateY(-50%);
  font-size: 3rem;
  opacity: 0.06;
}

.stat-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 8px;
}

.stat-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2.5rem;
  line-height: 1;
  color: var(--fire);
}

.stat-value.green { color: var(--green); }
.stat-value.blue  { color: var(--blue); }
.stat-value.gold  { color: var(--gold); }

.stat-sub {
  font-size: 0.8rem;
  color: var(--silver);
  margin-top: 4px;
}

/* ---- PROGRESS BAR ---- */
.progress-wrap { margin-bottom: 16px; }

.progress-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  margin-bottom: 6px;
}

.progress-head .label { color: var(--silver); }
.progress-head .pct   { color: var(--fire); font-weight: 700; }

.progress-track {
  height: 8px;
  background: rgba(255,255,255,0.06);
  position: relative;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--fire), var(--gold));
  transition: width 1s ease;
}

.progress-fill.green { background: linear-gradient(90deg, var(--green), #69F0AE); }
.progress-fill.blue  { background: linear-gradient(90deg, var(--blue), #82B1FF); }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1rem;
  letter-spacing: 2px;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  clip-path: polygon(8px 0%, 100% 0%, calc(100% - 8px) 100%, 0% 100%);
  text-decoration: none;
}

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

.btn-secondary { background: rgba(255,61,0,0.15); color: var(--fire); border: 1px solid rgba(255,61,0,0.3); }
.btn-secondary:hover { background: rgba(255,61,0,0.3); }

.btn-ghost { background: var(--card2); color: var(--silver); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--white); border-color: rgba(255,255,255,0.2); }

.btn-sm { padding: 6px 16px; font-size: 0.85rem; clip-path: polygon(5px 0%, 100% 0%, calc(100% - 5px) 100%, 0% 100%); }
.btn-lg { padding: 14px 36px; font-size: 1.2rem; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* ---- FORMS ---- */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--silver);
  margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 12px 16px;
  font-family: 'Barlow', sans-serif;
  font-size: 0.95rem;
  transition: border-color 0.2s;
  outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--fire);
}

.form-textarea { resize: vertical; min-height: 100px; }
.form-select { cursor: pointer; }

.form-hint {
  font-size: 0.78rem;
  color: var(--silver);
  margin-top: 6px;
}

.form-error {
  color: #FF5252;
  font-size: 0.8rem;
  margin-top: 6px;
}

/* ---- TABLES ---- */
.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
}

th {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--silver);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
}

tr:hover td { background: rgba(255,255,255,0.02); }

/* ---- BADGES ---- */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1px;
  clip-path: polygon(4px 0%, 100% 0%, calc(100% - 4px) 100%, 0% 100%);
}

.badge-fire   { background: rgba(255,61,0,0.2);   color: var(--fire); }
.badge-green  { background: rgba(0,200,83,0.15);  color: var(--green); }
.badge-gold   { background: rgba(255,179,0,0.15); color: var(--gold); }
.badge-blue   { background: rgba(41,121,255,0.15);color: var(--blue); }
.badge-silver { background: rgba(158,158,158,0.15);color: var(--silver); }

/* ---- ALERTS ---- */
.alert {
  padding: 14px 18px;
  border-left: 3px solid;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

.alert-error   { border-color: #FF5252; background: rgba(255,82,82,0.1); }
.alert-success { border-color: var(--green); background: rgba(0,200,83,0.1); }
.alert-info    { border-color: var(--blue); background: rgba(41,121,255,0.1); }

/* ---- CHAT ---- */
.chat-container {
  display: flex;
  flex-direction: column;
  height: 500px;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.chat-msg {
  max-width: 75%;
  padding: 12px 16px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.chat-msg.user {
  align-self: flex-end;
  background: rgba(255,61,0,0.15);
  border-right: 2px solid var(--fire);
}

.chat-msg.ai {
  align-self: flex-start;
  background: var(--card2);
  border-left: 2px solid var(--silver);
  color: var(--silver);
}

.chat-msg.ai strong { color: var(--white); }

.chat-input-row {
  display: flex;
  gap: 10px;
  padding: 16px 20px;
  border-top: 1px solid var(--border);
}

.chat-input-row input {
  flex: 1;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--white);
  padding: 10px 16px;
  font-family: 'Barlow', sans-serif;
  font-size: 0.9rem;
  outline: none;
}

.chat-input-row input:focus { border-color: var(--fire); }

/* ---- LEADERBOARD ---- */
.leaderboard-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
}

.rank-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  color: var(--silver);
  min-width: 40px;
  text-align: center;
}

.rank-num.gold  { color: var(--gold); }
.rank-num.silver{ color: #CFD8DC; }
.rank-num.bronze{ color: #BCAAA4; }

.rank-name { flex: 1; font-weight: 600; }
.rank-score { font-family: 'Bebas Neue', sans-serif; font-size: 1.5rem; color: var(--fire); }

/* ---- CHALLENGE CARD ---- */
.challenge-card-sm {
  background: var(--card2);
  border: 1px solid var(--border);
  padding: 20px;
  position: relative;
  transition: border-color 0.2s;
}

.challenge-card-sm:hover { border-color: rgba(255,61,0,0.4); }

.challenge-card-sm .c-type {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--fire);
  margin-bottom: 8px;
}

.challenge-card-sm .c-title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.6rem;
  letter-spacing: 1px;
  line-height: 1;
  margin-bottom: 8px;
}

.challenge-card-sm .c-days {
  font-size: 0.8rem;
  color: var(--silver);
}

/* ── FAB ACTIVITY BUTTON & MODAL ─────────────────────────────── */
.fab-activity,
#fabBtn {
  position: fixed;
  bottom: 88px;
  right: 22px;
  width: 60px;
  height: 60px;
  background: var(--fire);
  border: none;
  border-radius: 50%;
  font-size: 1.8rem;
  cursor: pointer;
  z-index: 9999;
  box-shadow: 0 4px 20px rgba(255,61,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  transition: transform 0.2s, box-shadow 0.2s;
}
#fabBtn:hover { transform: scale(1.08); box-shadow: 0 6px 28px rgba(255,61,0,0.7); }

.activity-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  width: 100%;
  max-width: 420px;
  border-radius: 4px;
}

.activity-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 18px 10px;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--white);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
  border-radius: 3px;
}
.activity-btn:hover {
  border-color: var(--fire);
  background: rgba(255,61,0,0.1);
  transform: translateY(-2px);
}
.activity-btn .act-icon { font-size: 1.8rem; line-height: 1; }
.activity-btn .act-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  text-align: center;
  color: var(--silver);
}
.activity-btn:hover .act-label { color: var(--white); }

/* ====================================================
   RESPONSIVE – Complete Mobile-First Overhaul
   Breakpoints: 480 / 640 / 768 / 1024
   ==================================================== */

/* ── TABLET (≤1024px) ─────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 14px; }
  .page-content { padding: 24px 20px; }
  .topbar { padding: 14px 24px; }
}

/* ── MOBILE (≤768px) ──────────────────────────────── */
@media (max-width: 768px) {

  /* Layout */
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 200;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    box-shadow: 4px 0 24px rgba(0,0,0,0.6);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 199;
  }
  .sidebar-overlay.open { display: block; }
  .main-content { margin-left: 0 !important; }

  /* Page spacing */
  .page-content { padding: 12px 10px; }
  .topbar { padding: 10px 12px; gap: 8px; }
  .topbar-title { font-size: 1.1rem; letter-spacing: 1.5px; }

  /* Hamburger */
  .hamburger-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 36px; height: 36px;
    background: var(--card2);
    border: 1px solid var(--border);
    cursor: pointer;
    font-size: 1.1rem;
    flex-shrink: 0;
  }

  /* Grids */
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 10px; }
  .grid-2 { grid-template-columns: 1fr; gap: 12px; }
  .grid-3 { grid-template-columns: 1fr; gap: 12px; }

  /* Cards */
  .card { padding: 14px 12px; }
  .card-title { font-size: 0.82rem; letter-spacing: 1.5px; margin-bottom: 14px; }

  /* Stat cards */
  .stat-card { padding: 14px 12px; }
  .stat-card::after { font-size: 2.2rem; right: 8px; top: 4px; opacity: 0.08; }
  .stat-value { font-size: 2rem !important; }
  .stat-label { font-size: 0.65rem !important; }

  /* Tables – horizontal scroll */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 480px; }
  th, td { padding: 10px 10px; font-size: 0.82rem; }

  /* Forms – prevent iOS zoom */
  .form-input, .form-select, textarea {
    font-size: 16px !important;
  }

  /* Topbar actions */
  .topbar-actions { gap: 8px; }
  .topbar-actions .btn-ghost { display: none; }
  .topbar-actions .btn-sm { padding: 7px 10px; font-size: 0.75rem; }

  /* Buttons */
  .btn-lg { padding: 14px 28px; font-size: 1rem; }
  .btn-block { width: 100%; }

  /* Community Feed */
  .feed-layout {
    grid-template-columns: 1fr !important;
  }
  .feed-layout > .feed-sidebar { order: -1; }

  /* Profile tabs – horizontal scroll */
  .profile-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 2px;
  }
  .profile-tabs::-webkit-scrollbar { display: none; }
  .p-tab { white-space: nowrap; flex-shrink: 0; }

  /* Training day tabs – scroll */
  .day-tabs {
    overflow-x: auto;
    flex-wrap: nowrap !important;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .day-tabs::-webkit-scrollbar { display: none; }
  .day-tab { white-space: nowrap; flex-shrink: 0; }

  /* Exercise cards */
  .exercise-card { flex-wrap: wrap; gap: 10px; }
  .ex-sets { margin-left: 0 !important; margin-top: 8px; width: 100%; }

  /* Dashboard chart */
  .card canvas { max-height: 200px; }

  /* FAB button */
  .fab-activity { bottom: 70px; right: 16px; width: 52px; height: 52px; font-size: 1.4rem; }

  /* Activity modal */
  .activity-modal { padding-bottom: 140px; }
  .activity-grid { padding: 16px; gap: 8px; }
  .activity-btn { padding: 12px 6px; }
  .activity-btn .act-icon { font-size: 1.5rem; }
  .activity-btn .act-label { font-size: 0.65rem; }

  /* Coach select grid */
  .coach-grid { grid-template-columns: 1fr !important; }

  /* Chat */
  .mw .bubble { max-width: 85% !important; }
  .msgs { padding: 14px 10px; gap: 10px; }
  .input-row { padding: 10px; }
  .input-row input { font-size: 16px !important; }

  /* Challenge cards */
  .challenges-grid { grid-template-columns: 1fr !important; }

  /* Progress */
  .photo-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)) !important; }

  /* Leaderboard */
  .leaderboard-table td, .leaderboard-table th { padding: 8px 6px; }

  /* Steps in onboarding */
  .steps-indicator { gap: 4px; }
  .step-dot { width: 28px !important; height: 28px !important; font-size: 0.72rem !important; }
  .step-line { width: 20px !important; }

  /* Roles grid */
  .roles-grid { grid-template-columns: 1fr !important; }

  /* Stories grid */
  .stories-grid { grid-template-columns: 1fr !important; }

  /* Pricing on admin */
  .pricing-grid { grid-template-columns: 1fr !important; }

  /* Filter bar wraps */
  .filter-bar { gap: 8px; }
  .filter-bar input, .filter-bar select { width: 100%; }

  /* Hide helpers */
  .hide-mobile { display: none !important; }
  .show-mobile { display: block !important; }

  /* Alert messages */
  .alert { font-size: 0.85rem; padding: 12px 14px; }
}

/* ── DESKTOP: hide hamburger ──────────────────────── */
@media (min-width: 769px) {
  .hamburger-btn { display: none !important; }
  .sidebar-overlay { display: none !important; }
}

/* ── SMALL PHONES (≤480px) ───────────────────────── */
@media (max-width: 480px) {
  .page-content { padding: 10px 8px; }
  .grid-4 { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 12px 10px; }
  .stat-value { font-size: 1.7rem !important; }
  .stat-label { font-size: 0.6rem !important; }
  .card { padding: 12px 10px; }
  .card-title { font-size: 0.78rem; }
  .topbar-title { font-size: 0.95rem; max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  table { min-width: 420px; }
  th, td { padding: 8px 8px; font-size: 0.78rem; }
}

/* ── ANIMATIONS ───────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in { animation: fadeIn 0.4s ease forwards; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}
.pulsing { animation: pulse 2s infinite; }

/* ── SCROLLBAR ────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: rgba(255,61,0,0.35); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--fire); }