/* ==========================================
   DESIGN SYSTEM & CUSTOM PROPERTIES (LIGHT THEME)
   ========================================== */
:root {
  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Inter', sans-serif;

  /* Colors - Light Theme */
  --bg-app: #f1f5f9;
  --bg-card: #ffffff;
  --bg-card-hover: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: rgba(37, 99, 235, 0.25);
  
  --primary: #2563eb;
  --accent: #1e3a8a;
  --accent-gold: #b45309;
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-inverse: #ffffff;

  /* Status Colors */
  --color-success: #10b981;
  --color-success-bg: rgba(16, 185, 129, 0.08);
  --color-success-border: rgba(16, 185, 129, 0.2);
  --color-success-text: #065f46;

  --color-warning: #f59e0b;
  --color-warning-bg: rgba(245, 158, 11, 0.08);
  --color-warning-border: rgba(245, 158, 11, 0.2);
  --color-warning-text: #92400e;

  --color-error: #ef4444;
  --color-error-bg: rgba(239, 68, 68, 0.08);
  --color-error-border: rgba(239, 68, 68, 0.2);
  --color-error-text: #991b1b;

  --color-pending: #6b7280;
  --color-pending-bg: rgba(107, 114, 128, 0.08);
  --color-pending-border: rgba(107, 114, 128, 0.2);
  --color-pending-text: #374151;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.08);
  --shadow-login: 0 20px 40px -10px rgba(15, 23, 42, 0.15);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   RESET & GLOBAL STYLES
   ========================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-app);
  background-image: 
    radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.06) 0px, transparent 50%),
    radial-gradient(at 100% 100%, rgba(30, 58, 138, 0.04) 0px, transparent 50%),
    radial-gradient(at 50% 50%, rgba(245, 158, 11, 0.02) 0px, transparent 50%);
  background-attachment: fixed;
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Hidden by default state for the main app container when logged out */
.app-container {
  width: 100%;
  max-width: 1300px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
  display: none; /* Controlled by JS */
}

/* Show class for app */
.app-container.show {
  display: block;
}

/* ==========================================
   LOGIN OVERLAY SCREEN
   ========================================== */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.4);
  backdrop-filter: blur(8px);
  display: flex; /* Flexbox centering */
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: 1.5rem;
}

.login-overlay.hidden {
  display: none !important;
}

.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  max-width: 440px;
  width: 100%;
  box-shadow: var(--shadow-login);
  text-align: center;
  animation: loginIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes loginIn {
  from { transform: translateY(15px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.login-badge-header {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.police-badge-login {
  width: 60px;
  height: 60px;
  filter: drop-shadow(0 4px 10px rgba(30, 58, 138, 0.15));
}

.login-card h2 {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.login-desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 2rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  text-align: left;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  letter-spacing: 0.2px;
}

.form-input-field {
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.98rem;
  padding: 0.75rem 1rem;
  outline: none;
  transition: var(--transition-smooth);
}

.form-input-field:focus {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 0 0 3px var(--border-focus);
}

.field-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 1px;
}

.btn-block {
  width: 100%;
  margin-top: 0.5rem;
}

/* ==========================================
   HEADER & SELECTION CONTROLS
   ========================================== */
.app-header {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

.logo-area {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  flex-wrap: wrap;
}

.police-badge {
  width: 48px;
  height: 48px;
}

.title-meta {
  flex-grow: 1;
}

.title-meta h1 {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
  color: var(--accent);
}

.title-meta h1 .accent {
  color: var(--primary);
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

/* Welcome tag */
.user-welcome {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #ffffff;
  border: 1px solid var(--border-color);
  padding: 0.5rem 1rem;
  border-radius: 30px;
  font-size: 0.88rem;
  box-shadow: var(--shadow-sm);
}

.logout-link {
  background: none;
  border: none;
  color: var(--primary);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  border-bottom: 1px dashed var(--primary);
  transition: var(--transition-smooth);
}

.logout-link:hover {
  color: #1d4ed8;
  border-bottom-color: #1d4ed8;
}

/* Selection Controls Row */
.controls-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.control-group label {
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
}

.form-select {
  background-color: #f8fafc;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.75rem 1rem;
  outline: none;
  cursor: pointer;
  transition: var(--transition-smooth);
  width: 100%;
}

.form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--border-focus);
}

/* ==========================================
   MAIN DASHBOARD GRID & CARDS
   ========================================== */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  margin-bottom: 2.5rem;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr;
  }
}

.glass-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  box-shadow: var(--shadow-lg);
}

.card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}

.header-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
}

.pmt-icon {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

.pet-icon {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-success);
}

.alert-icon {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-warning);
}

.plan-icon {
  background: rgba(30, 58, 138, 0.08);
  color: var(--accent);
}

.card-header h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--accent);
}

.card-desc {
  color: var(--text-muted);
  font-size: 0.88rem;
  margin-bottom: 1.75rem;
}

/* ==========================================
   INPUT COMPONENTS
   ========================================== */
.inputs-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.inputs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
}

.input-group {
  display: flex;
  flex-direction: column;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  position: relative;
  transition: var(--transition-smooth);
}

.input-group:focus-within {
  border-color: var(--primary);
  background: #ffffff;
  box-shadow: 0 5px 12px rgba(37, 99, 235, 0.05);
}

.input-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}

.input-header label {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
}

.req-badge {
  background: #e2e8f0;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  color: var(--text-muted);
}

.input-wrapper {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.form-control {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 1.1rem;
  font-weight: 600;
  padding: 0.6rem 0.8rem;
  width: 100%;
  outline: none;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--border-focus);
}

.unit-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  white-space: nowrap;
}

/* Double Inputs (Minutes & Seconds) */
.double-input {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.double-input .form-control {
  width: 70px;
  text-align: center;
}

.double-input span {
  color: var(--text-muted);
  font-weight: 600;
}

/* Validation Highlights */
.input-group.state-pass {
  border-left: 4px solid var(--color-success);
}
.input-group.state-fail {
  border-left: 4px solid var(--color-error);
}

.validation-indicator {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  display: flex;
  align-items: center;
}

/* ==========================================
   RESULTS & SCORE CARD
   ========================================== */
.results-section {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.score-card {
  background: radial-gradient(circle at 100% 0%, rgba(37, 99, 235, 0.05) 0%, transparent 60%), var(--bg-card);
}

.score-display {
  display: flex;
  align-items: center;
  gap: 2rem;
}

@media (max-width: 600px) {
  .score-display {
    flex-direction: column;
    text-align: center;
  }
}

.radial-progress-wrapper {
  position: relative;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
}

.radial-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.circle-bg {
  fill: none;
  stroke: #e2e8f0;
  stroke-width: 8;
}

.circle-progress {
  fill: none;
  stroke-width: 8;
  stroke-linecap: round;
  transition: stroke-dashoffset 0.6s ease-in-out;
}

.score-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.score-percent {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 800;
  line-height: 1;
  color: var(--text-main);
}

.score-label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-top: 2px;
}

.score-summary {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.score-summary h3 {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.score-summary p {
  color: var(--text-muted);
  font-size: 0.9rem;
  max-width: 320px;
}

.badge-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 0.25rem;
}

.status-badge {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 30px;
  background: var(--color-pending-bg);
  border: 1px solid var(--color-pending-border);
  color: var(--color-pending-text);
  transition: var(--transition-smooth);
}

.status-badge.badge-pass {
  background: var(--color-success-bg);
  color: var(--color-success-text);
  border-color: var(--color-success-border);
}

.status-badge.badge-fail {
  background: var(--color-error-bg);
  color: var(--color-error-text);
  border-color: var(--color-error-border);
}

.status-badge.badge-warning {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  border-color: var(--color-warning-border);
}

/* ==========================================
   LAG DIAGNOSTICS CARD
   ========================================== */
.diagnostics-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.empty-state {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--text-muted);
  border: 1.5px dashed var(--border-color);
  border-radius: var(--radius-md);
  background: #f8fafc;
}

.diag-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  transition: var(--transition-smooth);
}

.diag-item:hover {
  background: #f1f5f9;
}

.diag-status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 6px;
  flex-shrink: 0;
}

.diag-info {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  width: 100%;
}

.diag-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.diag-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent);
}

.diag-gap-badge {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.diag-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.diag-tip {
  font-size: 0.82rem;
  font-weight: 500;
  margin-top: 0.4rem;
  padding-top: 0.4rem;
  border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Diagnostic variations */
.diag-pass {
  border-left: 3px solid var(--color-success);
}
.diag-pass .diag-status-dot { background-color: var(--color-success); }
.diag-pass .diag-gap-badge { background: var(--color-success-bg); color: var(--color-success-text); }
.diag-pass .diag-tip { color: var(--color-success-text); }

.diag-fail {
  border-left: 3px solid var(--color-error);
}
.diag-fail .diag-status-dot { background-color: var(--color-error); }
.diag-fail .diag-gap-badge { background: var(--color-error-bg); color: var(--color-error-text); }
.diag-fail .diag-tip { color: var(--color-warning-text); }

/* ==========================================
   TRAINING PLAN PLANNER
   ========================================== */
.training-plan-section {
  margin-top: 1rem;
}

.training-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.tab-navigation {
  display: flex;
  background: #f1f5f9;
  border: 1px solid var(--border-color);
  padding: 0.3rem;
  border-radius: 40px;
}

.tab-btn {
  background: transparent;
  border: none;
  border-radius: 30px;
  color: var(--text-muted);
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.4rem;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  color: var(--text-main);
}

.tab-btn.active {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
}

/* Calendar Grid */
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.day-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: var(--transition-smooth);
}

.day-card:hover {
  transform: translateY(-2px);
  background: #ffffff;
  border-color: #cbd5e1;
  box-shadow: var(--shadow-md);
}

.day-label {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--primary);
}

.workout-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.workout-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-grow: 1;
}

.intensity-badge {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
}

.intensity-low { background: var(--color-success-bg); color: var(--color-success-text); }
.intensity-med { background: var(--color-warning-bg); color: var(--color-warning-text); }
.intensity-high { background: var(--color-error-bg); color: var(--color-error-text); }
.intensity-rest { background: #e2e8f0; color: var(--text-muted); }

/* Nutrition Tips */
.nutrition-tips-container {
  background: rgba(245, 158, 11, 0.05);
  border: 1px solid var(--color-warning-border);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

@media (max-width: 600px) {
  .nutrition-tips-container {
    flex-direction: column;
  }
}

.nutrition-icon {
  background: var(--color-warning-bg);
  color: var(--color-warning-text);
  padding: 0.75rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.nutrition-text {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.nutrition-text h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
}

.nutrition-text p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ==========================================
   BUTTONS & ACTIONS
   ========================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 30px;
  border: none;
  cursor: pointer;
  outline: none;
  transition: var(--transition-smooth);
}

.btn-primary {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.15);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 15px rgba(37, 99, 235, 0.25);
}
.btn-primary:active {
  transform: translateY(0);
}