/* === BASE === */
html, body {
  overflow: hidden;
  background: var(--bg-body);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
}

/* Background ambient glow */
body::before {
  content: '';
  position: fixed;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 500px;
  background: radial-gradient(ellipse, rgba(255, 140, 50, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

#app {
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
}

/* ========================================
   LOGIN SCREEN
   ======================================== */
#login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  gap: var(--sp-xl);
  background: var(--bg-body);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-md);
}

.login-logo {
  width: 72px;
  height: 72px;
}

.login-brand h1 {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: 3px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  letter-spacing: 1px;
}

#login-form {
  display: flex;
  gap: var(--sp-sm);
  width: 340px;
}

#login-form input {
  flex: 1;
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: border-color var(--transition-fast);
}

#login-form input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(255, 140, 50, 0.1);
}

#login-form input::placeholder {
  color: var(--text-muted);
}

#login-error {
  color: var(--danger);
  font-size: 0.85rem;
  min-height: 1.2em;
}

/* ========================================
   TOP NAVBAR
   ======================================== */
.navbar {
  display: flex;
  align-items: center;
  height: var(--navbar-height);
  padding: 0 var(--sp-lg);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  gap: var(--sp-lg);
  backdrop-filter: blur(12px);
  position: relative;
  z-index: 50;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-shrink: 0;
}

.navbar-brand .logo-icon {
  width: 28px;
  height: 28px;
}

.navbar-brand h1 {
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: 2px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.date-nav {
  display: flex;
  align-items: center;
  gap: var(--sp-xs);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 4px;
}

.date-nav button {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

.date-nav button:hover {
  color: var(--accent);
  background: var(--accent-bg);
}

.date-nav .date-label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  min-width: 150px;
  text-align: center;
  cursor: pointer;
  padding: 0 var(--sp-sm);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.date-nav .date-label:hover {
  color: var(--accent);
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
  flex-shrink: 0;
}

.nav-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.nav-btn:hover {
  color: var(--text-primary);
  border-color: var(--glass-border-hover);
  background: var(--bg-elevated);
}

.nav-btn svg {
  width: 15px;
  height: 15px;
  opacity: 0.7;
}

.nav-btn-primary {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
}

.nav-btn-primary:hover {
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
  color: #fff;
}

.nav-btn-logout {
  width: 34px;
  height: 34px;
  padding: 0;
  justify-content: center;
  border-radius: 50%;
}

.nav-btn-logout:hover {
  border-color: var(--danger);
  color: var(--danger);
}

/* ========================================
   MAIN CONTENT
   ======================================== */
#dashboard {
  display: none;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}

#dashboard.active {
  display: flex;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-lg) var(--sp-2xl);
  min-height: 0;
}

/* === SUMMARY CARDS ROW === */
.summary-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-md);
  margin-bottom: var(--sp-lg);
}

.summary-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-lg);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.summary-card:hover {
  border-color: var(--glass-border-hover);
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
}

.summary-card.card-kcal::before {
  background: var(--accent-gradient);
}

.summary-card.card-macros::before {
  background: linear-gradient(90deg, #4facfe, #ffc048, #2ed573);
}

.summary-card.card-weight::before {
  background: linear-gradient(90deg, #43e97b, #38f9d7);
}

.summary-card .card-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-md);
}

.card-kcal .card-icon {
  background: rgba(255, 140, 50, 0.12);
  color: var(--accent);
}

.card-macros .card-icon {
  background: rgba(79, 172, 254, 0.12);
  color: var(--protein-color);
}

.card-macros .macros-row {
  display: flex;
  gap: var(--sp-md);
}

.card-macros .macro-item {
  flex: 1;
}

.card-macros .macro-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 4px;
}

.card-macros .macro-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-left: 2px;
}

.macro-protein .macro-value { color: var(--protein-color); }
.macro-fat .macro-value { color: var(--warning); }
.macro-carbs .macro-value { color: var(--success); }

.card-weight .card-icon {
  background: rgba(67, 233, 123, 0.12);
  color: var(--weight-color);
}

.summary-card .card-value {
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  line-height: 1;
  margin-bottom: 4px;
}

.card-kcal .card-value { color: var(--accent-bright); }
.card-weight .card-value { color: var(--weight-color); }

.summary-card .card-label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.card-weight .weight-input-wrap {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.card-weight .weight-input-wrap input {
  background: transparent;
  border: none;
  font-size: 2rem;
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--weight-color);
  width: 120px;
  padding: 0;
  line-height: 1;
  outline: none;
}

.card-weight .weight-input-wrap input::placeholder {
  color: var(--text-muted);
}

.card-weight .weight-input-wrap .unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* === CONSUMPTION PANEL === */
.consumption-panel {
  background: var(--bg-card);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-md) var(--sp-lg);
  border-bottom: 1px solid var(--border);
}

.panel-header h2 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--sp-sm);
}

.panel-header .entry-count {
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  font-family: var(--font-mono);
}

#consumption-list {
  min-height: 120px;
  max-height: calc(100vh - var(--navbar-height) - 280px);
  overflow-y: auto;
}

.entry-item {
  display: flex;
  align-items: center;
  padding: var(--sp-md) var(--sp-lg);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.entry-item:last-child {
  border-bottom: none;
}

.entry-item:hover {
  background: var(--bg-hover);
}

.entry-time {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  min-width: 48px;
  flex-shrink: 0;
}

.entry-info {
  flex: 1;
  min-width: 0;
  margin-left: var(--sp-md);
}

.entry-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entry-detail {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

.entry-nutrition {
  display: flex;
  gap: var(--sp-lg);
  flex: none;
  margin-left: var(--sp-md);
  width: 460px;
}

.entry-kcal {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  min-width: 70px;
  text-align: right;
}

.entry-macros {
  font-size: 0.8rem;
  display: flex;
  gap: 0;
}

.entry-macros span {
  display: inline-block;
  white-space: nowrap;
}

.entry-macros .macro-p { color: var(--protein-color); min-width: 140px; }
.entry-macros .macro-l { color: var(--warning); min-width: 120px; }
.entry-macros .macro-g { color: var(--success); }

.entry-edit,
.entry-delete {
  color: var(--text-muted);
  margin-left: var(--sp-xs);
  font-size: 0.9rem;
  padding: 6px;
  border-radius: var(--radius-sm);
  opacity: 0.4;
  transition: all var(--transition-fast);
}

.entry-item:hover .entry-edit,
.entry-item:hover .entry-delete {
  opacity: 1;
}

.entry-edit:hover {
  color: var(--accent);
  background: rgba(255, 140, 50, 0.1);
}

.entry-delete:hover {
  color: var(--danger);
  background: rgba(255, 71, 87, 0.1);
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--sp-2xl);
  color: var(--text-muted);
  font-size: 0.9rem;
  gap: var(--sp-sm);
}

.empty-state svg {
  width: 40px;
  height: 40px;
  opacity: 0.3;
}

/* ========================================
   FOOTER BAR
   ======================================== */
.footer-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-xl);
  padding: var(--sp-sm) var(--sp-lg);
  border-top: 1px solid var(--border);
  background: var(--bg-primary);
  flex-shrink: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.footer-stat {
  display: flex;
  align-items: center;
  gap: 6px;
}

.footer-stat .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
}

.footer-stat .dot.orange { background: var(--accent); }
.footer-stat .dot.blue { background: var(--protein-color); }

/* ========================================
   RESPONSIVE MOBILE (max-width: 768px)
   ======================================== */
@media (max-width: 768px) {

  /* Login */
  #login-form {
    width: 90%;
    max-width: 340px;
  }

  /* Navbar: stack brand left, date center, actions right */
  .navbar {
    padding: 0 var(--sp-sm);
    gap: var(--sp-sm);
  }

  .navbar-brand h1 {
    display: none;
  }

  .date-nav .date-label {
    min-width: 100px;
    font-size: 0.82rem;
  }

  .navbar-actions {
    gap: 4px;
  }

  /* Hide text labels on nav buttons, keep icons */
  .nav-btn {
    padding: 7px 10px;
    font-size: 0;
    gap: 0;
  }

  .nav-btn svg {
    width: 16px;
    height: 16px;
  }

  .nav-btn-primary {
    font-size: 0;
  }

  /* Main content */
  .main-content {
    padding: var(--sp-md) var(--sp-sm);
  }

  /* Summary cards: horizontal row, compact */
  .summary-row {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--sp-sm);
  }

  .summary-card {
    padding: var(--sp-md) var(--sp-sm);
  }

  .summary-card .card-icon {
    width: 32px;
    height: 32px;
    margin-bottom: var(--sp-sm);
  }

  .summary-card .card-value {
    font-size: 1.4rem;
  }

  .card-macros .macro-value {
    font-size: 1.4rem;
  }

  .card-macros .macro-unit {
    font-size: 0.7rem;
  }

  .card-weight .weight-input-wrap input {
    font-size: 1.4rem;
    width: 80px;
  }

  .summary-card .card-label {
    font-size: 0.65rem;
    letter-spacing: 1px;
  }

  /* Consumption list */
  .entry-item {
    padding: var(--sp-sm) var(--sp-md);
  }

  .entry-nutrition {
    flex-direction: column;
    gap: 2px;
    align-items: flex-end;
    margin-left: var(--sp-sm);
  }

  .entry-edit,
  .entry-delete {
    opacity: 1;
    margin-left: var(--sp-xs);
  }

  #consumption-list {
    max-height: calc(100vh - var(--navbar-height) - 240px);
  }

  /* Footer */
  .footer-bar {
    gap: var(--sp-md);
    font-size: 0.7rem;
  }
}