/* ============================================
   MedEntryPro — Design System & Mobile-First CSS
   ============================================ */

/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* --- Design Tokens --- */
:root {
  /* Colors */
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: rgba(30, 30, 55, 0.7);
  --bg-card-hover: rgba(40, 40, 70, 0.8);
  --bg-input: rgba(255, 255, 255, 0.06);
  --bg-input-focus: rgba(255, 255, 255, 0.1);

  --text-primary: #f0f0f5;
  --text-secondary: rgba(240, 240, 245, 0.65);
  --text-muted: rgba(240, 240, 245, 0.4);

  --accent-gradient: linear-gradient(135deg, #6c5ce7, #a29bfe);
  --accent-solid: #6c5ce7;
  --accent-light: #a29bfe;

  --success: #00cec9;
  --success-bg: rgba(0, 206, 201, 0.15);
  --error: #ff6b6b;
  --error-bg: rgba(255, 107, 107, 0.15);
  --warning: #fdcb6e;

  --border-color: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(108, 92, 231, 0.5);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.2);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 150ms var(--ease-out);
  --transition-base: 250ms var(--ease-out);
  --transition-slow: 400ms var(--ease-out);
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(108, 92, 231, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(0, 206, 201, 0.1) 0%, transparent 50%);
  color: var(--text-primary);
  min-height: 100dvh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* --- Layout --- */
.app-container {
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
  padding: var(--space-md);
  padding-bottom: 120px;
  /* room for sticky button */
  min-height: 100dvh;
}

/* --- Header --- */
.app-header {
  text-align: center;
  padding: var(--space-xl) 0 var(--space-lg);
}

.app-logo {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.app-logo .logo-icon {
  -webkit-text-fill-color: initial;
  margin-right: var(--space-xs);
}

.app-subtitle {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  font-weight: 400;
  margin-top: var(--space-xs);
}

/* --- Glass Card --- */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  transition: box-shadow var(--transition-base);
}

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

/* --- Form Elements --- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.3px;
}

.form-label .label-icon {
  margin-right: var(--space-xs);
  font-size: var(--text-base);
}

.form-input {
  width: 100%;
  min-height: 52px;
  padding: var(--space-md);
  background: var(--bg-input);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--text-base);
  transition: all var(--transition-fast);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}

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

.form-input:focus {
  background: var(--bg-input-focus);
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.15);
}

/* Date input fix for mobile */
input[type="date"] {
  color-scheme: dark;
}

input[type="date"]::-webkit-calendar-picker-indicator {
  filter: invert(0.7);
  cursor: pointer;
}

/* Number input — remove spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* --- Textarea --- */
textarea.form-input {
  resize: vertical;
  min-height: 60px;
  line-height: 1.5;
}

/* --- Autocomplete Dropdown --- */
.autocomplete-wrapper {
  position: relative;
}

.autocomplete-list {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 100;
  margin-top: var(--space-xs);
  background: rgba(30, 30, 55, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  max-height: 200px;
  overflow-y: auto;
}

.autocomplete-item {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.autocomplete-item:hover {
  background: rgba(108, 92, 231, 0.2);
  color: var(--text-primary);
}

.autocomplete-item strong {
  color: var(--accent-light);
  font-weight: 600;
}

.autocomplete-list::-webkit-scrollbar {
  width: 4px;
}

.autocomplete-list::-webkit-scrollbar-track {
  background: transparent;
}

.autocomplete-list::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 52px;
  padding: var(--space-md) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
  text-decoration: none;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  width: 100%;
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: var(--shadow-sm), 0 0 20px rgba(108, 92, 231, 0.3);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md), 0 0 30px rgba(108, 92, 231, 0.4);
  filter: brightness(1.08);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.btn-secondary {
  width: 100%;
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-input-focus);
  border-color: var(--border-focus);
}

.btn-success {
  background: linear-gradient(135deg, #00b894, #00cec9);
  color: #fff;
  box-shadow: var(--shadow-sm), 0 0 20px rgba(0, 206, 201, 0.25);
}

.btn-success:hover {
  box-shadow: var(--shadow-md), 0 0 30px rgba(0, 206, 201, 0.35);
  filter: brightness(1.08);
}

/* Sticky Submit Area */
.sticky-bottom {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 50;
  padding: var(--space-md);
  padding-bottom: max(var(--space-md), env(safe-area-inset-bottom));
  background: linear-gradient(to top, var(--bg-primary) 60%, transparent);
}

.sticky-bottom .btn-group {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

/* --- Toast Notifications --- */
.toast-container {
  position: fixed;
  top: var(--space-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - var(--space-xl));
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  font-size: var(--text-sm);
  font-weight: 500;
  pointer-events: auto;
  animation: toastSlideIn 0.4s var(--ease-out);
  box-shadow: var(--shadow-lg);
}

.toast.toast-success {
  background: var(--success-bg);
  border-color: rgba(0, 206, 201, 0.3);
  color: var(--success);
}

.toast.toast-error {
  background: var(--error-bg);
  border-color: rgba(255, 107, 107, 0.3);
  color: var(--error);
}

.toast-icon {
  font-size: var(--text-xl);
  flex-shrink: 0;
}

.toast.fade-out {
  animation: toastSlideOut 0.3s var(--ease-out) forwards;
}

@keyframes toastSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes toastSlideOut {
  to {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
}

/* --- Loading Overlay --- */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 15, 26, 0.6);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 500;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.loading-overlay.active {
  opacity: 1;
  visibility: visible;
}

.spinner {
  width: 44px;
  height: 44px;
  border: 3px solid var(--border-color);
  border-top-color: var(--accent-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* --- Reports Page Specific --- */
.date-range-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

.chart-container {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: var(--space-lg) auto;
  aspect-ratio: 1;
}

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

.stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.stat-card {
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: center;
  border: 1px solid var(--border-color);
}

.stat-value {
  font-size: var(--text-2xl);
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  margin-top: var(--space-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Records table */
.records-table-container {
  margin-top: var(--space-lg);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.records-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  min-width: 360px;
}

.records-table th {
  background: rgba(108, 92, 231, 0.15);
  color: var(--accent-light);
  font-weight: 600;
  text-align: left;
  padding: var(--space-sm) var(--space-md);
  white-space: nowrap;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.records-table td {
  padding: var(--space-sm) var(--space-md);
  border-top: 1px solid var(--border-color);
  white-space: nowrap;
  color: var(--text-secondary);
}

.records-table tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

/* Empty state */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--text-muted);
}

.empty-state .empty-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

.empty-state p {
  font-size: var(--text-sm);
}

/* Button group in reports */
.btn-row {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.btn-row .btn {
  flex: 1;
}

/* --- Section Heading --- */
.section-title {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

/* --- Utility --- */
.mt-md {
  margin-top: var(--space-md);
}

.mt-lg {
  margin-top: var(--space-lg);
}

.mt-xl {
  margin-top: var(--space-xl);
}

.text-center {
  text-align: center;
}

.hidden {
  display: none !important;
}

/* --- Fade-in animation on load --- */
.fade-in {
  animation: fadeIn 0.6s var(--ease-out);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Login Page --- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100dvh;
  padding: var(--space-md);
}

.login-wrapper {
  width: 100%;
  max-width: 400px;
  text-align: center;
}

.login-brand {
  margin-bottom: var(--space-xl);
}

.login-card {
  position: relative;
  overflow: hidden;
}

.login-card::before {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: var(--radius-lg);
  padding: 1.5px;
  background: linear-gradient(135deg,
      rgba(108, 92, 231, 0.4),
      rgba(0, 206, 201, 0.2),
      rgba(108, 92, 231, 0.1));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  animation: glowRotate 6s linear infinite;
}

@keyframes glowRotate {

  0%,
  100% {
    opacity: 0.6;
  }

  50% {
    opacity: 1;
  }
}

.login-heading {
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-xs);
}

.login-subtext {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
}

.password-wrapper {
  position: relative;
}

.password-wrapper .form-input {
  padding-right: 52px;
}

.password-toggle {
  position: absolute;
  right: var(--space-sm);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  font-size: var(--text-lg);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.password-toggle:hover {
  opacity: 1;
}

.login-btn {
  margin-top: var(--space-lg);
}

.login-session-note {
  margin-top: var(--space-lg);
  font-size: var(--text-xs);
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
}

.note-icon {
  font-size: var(--text-sm);
}

/* Inline spinner for login button */
.spinner-inline {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
  margin-right: var(--space-xs);
}

/* Logout button in header */
.header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.btn-logout {
  background: rgba(255, 107, 107, 0.15);
  color: var(--error);
  border: 1px solid rgba(255, 107, 107, 0.25);
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  min-height: 34px;
  cursor: pointer;
  font-family: var(--font-family);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.btn-logout:hover {
  background: rgba(255, 107, 107, 0.25);
  border-color: rgba(255, 107, 107, 0.4);
}

/* --- Responsive fine-tuning --- */
@media (min-width: 481px) {
  .app-container {
    padding: var(--space-xl);
  }
}

@media (min-width: 768px) {
  .app-container {
    padding-top: var(--space-2xl);
  }
}

/* --- PWA Install Banner --- */
.pwa-install-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 900;
  padding: var(--space-md);
  padding-bottom: max(var(--space-md), env(safe-area-inset-bottom));
  background: rgba(30, 30, 55, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--border-color);
  box-shadow: 0 -4px 30px rgba(0, 0, 0, 0.4);
  transform: translateY(100%);
  transition: transform 0.4s var(--ease-out);
}

.pwa-install-banner.visible {
  transform: translateY(0);
}

.pwa-install-content {
  max-width: 480px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.pwa-install-icon {
  font-size: 2rem;
  flex-shrink: 0;
}

.pwa-install-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.pwa-install-text strong {
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.pwa-install-text span {
  font-size: var(--text-xs);
  color: var(--text-secondary);
}

.pwa-install-btn {
  background: var(--accent-gradient);
  color: #fff;
  border: none;
  padding: var(--space-sm) var(--space-lg);
  border-radius: var(--radius-full);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  box-shadow: 0 0 15px rgba(108, 92, 231, 0.3);
}

.pwa-install-btn:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 25px rgba(108, 92, 231, 0.5);
}

.pwa-install-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: var(--text-xl);
  cursor: pointer;
  padding: var(--space-xs);
  line-height: 1;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

.pwa-install-close:hover {
  color: var(--text-primary);
}