/* 
 * Resista+ - Main Stylesheet
 * Uses a responsive design with CSS variables for theming
 */

/* ---------- Variables & Base Styles ---------- */
:root {
  /* Color Palette */
  --dark-bg: #222831;
  --dark-surface: #393E46;
  --accent: #00ADB5;
  --light-bg: #EEEEEE;
  --highlight: #FFD369;
  
  /* Theme Colors - Light Default */
  --background: var(--light-bg);
  --surface: #FFFFFF;
  --surface-variant: #F5F5F5;
  --text-primary: #222831;
  --text-secondary: #393E46;
  --text-hint: #707070;
  --border: #DDDDDD;
  --shadow: rgba(0, 0, 0, 0.1);
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-xxl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  /* Typography */
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-xxl: 2rem;
  
  /* Animation */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s ease;
  
  /* Layout */
  --container-width: 100%;
  --container-max-width: 1200px;
  --header-height: 64px;
  --footer-height: 60px;
  --card-min-width: 280px;
}

/* Dark Theme Variables */
.theme-dark {
  --background: var(--dark-bg);
  --surface: var(--dark-surface);
  --surface-variant: #2C3138;
  --text-primary: #EEEEEE;
  --text-secondary: #CCCCCC;
  --text-hint: #999999;
  --border: #4A4A4A;
  --shadow: rgba(0, 0, 0, 0.3);
}

/* System Preference Dark Theme */
@media (prefers-color-scheme: dark) {
  .theme-system {
    --background: var(--dark-bg);
    --surface: var(--dark-surface);
    --surface-variant: #2C3138;
    --text-primary: #EEEEEE;
    --text-secondary: #CCCCCC;
    --text-hint: #999999;
    --border: #4A4A4A;
    --shadow: rgba(0, 0, 0, 0.3);
  }
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  text-decoration: underline;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

ul, ol {
  list-style: none;
}

img, svg {
  max-width: 100%;
  height: auto;
}

/* ---------- Layout ---------- */
.container {
  width: var(--container-width);
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

main {
  flex: 1;
  padding: var(--spacing-lg) 0;
  min-height: calc(100vh - var(--header-height) - var(--footer-height));
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  font-weight: 600;
}

h1 {
  font-size: var(--font-size-xxl);
}

h2 {
  font-size: var(--font-size-xl);
}

h3 {
  font-size: var(--font-size-lg);
}

p {
  margin-bottom: var(--spacing-md);
}

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

.accent {
  color: var(--accent);
}

/* ---------- Header & Footer ---------- */
.app-header {
  background-color: var(--surface);
  box-shadow: 0 2px 8px var(--shadow);
  height: var(--header-height);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background-color var(--transition-normal);
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.app-title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 700;
}

.app-footer {
  background-color: var(--surface);
  padding: var(--spacing-md) 0;
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  height: var(--footer-height);
  margin-top: auto;
  transition: background-color var(--transition-normal);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: none;
  font-weight: 500;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

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

.btn-primary:hover, .btn-primary:focus {
  background-color: #0097a0;
  box-shadow: 0 2px 8px rgba(0, 173, 181, 0.4);
}

.btn-secondary {
  background-color: var(--surface-variant);
  color: var(--text-primary);
}

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

.btn-warning {
  background-color: var(--highlight);
  color: var(--dark-bg);
}

.btn-warning:hover, .btn-warning:focus {
  background-color: #f0c55a;
}

.btn-danger {
  background-color: #ff5c5c;
  color: white;
}

.btn-danger:hover, .btn-danger:focus {
  background-color: #e05252;
}

.btn-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background-color: transparent;
  color: var(--text-primary);
  transition: background-color var(--transition-fast);
}

.btn-icon:hover, .btn-icon:focus {
  background-color: var(--surface-variant);
}

/* ---------- Forms ---------- */
.form-section {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 10px var(--shadow);
}

.form-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.form-header h2 {
  margin-bottom: 0;
  margin-left: var(--spacing-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.form input[type="text"],
.form input[type="number"],
.form input[type="datetime-local"],
.form select,
.form textarea {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--surface);
  transition: border-color var(--transition-fast);
}

.form input:focus,
.form select:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(0, 173, 181, 0.2);
}

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

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  margin-top: var(--spacing-xl);
}

/* ---------- Dashboard ---------- */
.dashboard {
  padding-bottom: var(--spacing-lg);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.addictions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.addiction-card {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 8px var(--shadow);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  display: flex;
  flex-direction: column;
}

.addiction-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 6px 12px var(--shadow);
}

.addiction-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-md);
}

.addiction-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-md);
}

.addiction-name {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin: 0;
}

.addiction-counter {
  text-align: center;
  margin: var(--spacing-md) 0;
}

.counter-value {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--accent);
}

.progress-container {
  margin-top: auto;
}

.progress-label {
  display: flex;
  justify-content: space-between;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.progress-bar {
  height: 8px;
  background-color: var(--surface-variant);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background-color: var(--accent);
  border-radius: var(--radius-sm);
  transition: width var(--transition-slow);
}

.dashboard-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.motivational-message {
  background-color: var(--surface);
  border-left: 4px solid var(--highlight);
  padding: var(--spacing-md);
  border-radius: var(--radius-md);
  margin-top: var(--spacing-lg);
  font-style: italic;
  text-align: center;
  box-shadow: 0 2px 8px var(--shadow);
}

.empty-state {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 2px 8px var(--shadow);
}

.empty-illustration {
  font-size: 4rem;
  color: var(--accent);
  margin-bottom: var(--spacing-md);
}

.empty-state h3 {
  margin-bottom: var(--spacing-sm);
}

.empty-state p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* ---------- Addiction Details ---------- */
.details-section {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 10px var(--shadow);
}

.details-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.details-header h2 {
  margin-bottom: 0;
  margin-left: var(--spacing-md);
}

.addiction-details {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.addiction-icon-large {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background-color: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
}

.addiction-icon-large span {
  font-size: 40px;
}

.detail-counter {
  text-align: center;
  margin: var(--spacing-md) 0 var(--spacing-lg);
}

.detail-counter .counter-value {
  font-size: var(--font-size-xxl);
}

.detail-counter .counter-label {
  font-size: var(--font-size-md);
  color: var(--text-secondary);
}

.detail-info {
  width: 100%;
  margin: var(--spacing-lg) 0;
  padding: var(--spacing-md);
  background-color: var(--surface-variant);
  border-radius: var(--radius-md);
}

.info-item {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--border);
}

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

.detail-motivation {
  width: 100%;
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background-color: var(--surface-variant);
  border-radius: var(--radius-md);
  border-left: 4px solid var(--highlight);
}

.detail-motivation h4 {
  margin-bottom: var(--spacing-sm);
  color: var(--text-secondary);
}

.detail-actions {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
  width: 100%;
  margin-top: var(--spacing-lg);
}

/* ---------- History ---------- */
.history-section {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 10px var(--shadow);
}

.history-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.history-header h2 {
  margin-bottom: 0;
  margin-left: var(--spacing-md);
}

.history-filter {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.history-filter label {
  margin-right: var(--spacing-md);
}

.history-filter select {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--surface);
}

.history-item {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
}

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

.history-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--accent);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-right: var(--spacing-md);
  flex-shrink: 0;
}

.history-content {
  flex: 1;
}

.history-title {
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.history-details {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm) var(--spacing-md);
}

.history-duration {
  font-weight: 600;
  color: var(--accent);
}

/* ---------- Settings ---------- */
.settings-section {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: 0 2px 10px var(--shadow);
}

.settings-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--spacing-xl);
}

.settings-header h2 {
  margin-bottom: 0;
  margin-left: var(--spacing-md);
}

.settings-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  border-bottom: 1px solid var(--border);
}

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

.settings-item-info {
  display: flex;
  align-items: center;
}

.settings-item-info span {
  margin-right: var(--spacing-md);
  color: var(--accent);
}

.settings-item-text h3 {
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-md);
}

.settings-item-text p {
  margin-bottom: 0;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.settings-item-control select {
  padding: var(--spacing-xs) var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background-color: var(--surface);
}

.danger-zone {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 2px dashed #ff5c5c;
}

.danger-zone .settings-item-info span {
  color: #ff5c5c;
}

/* Switch Toggle */
.switch {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 24px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--border);
  transition: var(--transition-normal);
}

.slider:before {
  position: absolute;
  content: "";
  height: 16px;
  width: 16px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  transition: var(--transition-normal);
}

input:checked + .slider {
  background-color: var(--accent);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: var(--spacing-md);
}

.modal-container {
  background-color: var(--surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 4px 20px var(--shadow);
}

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

.modal-header h3 {
  margin-bottom: 0;
}

.modal-content {
  padding: var(--spacing-lg);
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--border);
}

/* ---------- Utilities ---------- */
.hidden {
  display: none !important;
}

.loading-spinner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 200px;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--surface-variant);
  border-top: 4px solid var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ---------- Responsive Adjustments ---------- */
@media (max-width: 768px) {
  :root {
    --header-height: 56px;
  }
  
  .form-section,
  .details-section,
  .history-section,
  .settings-section {
    padding: var(--spacing-md);
  }
  
  .detail-actions {
    grid-template-columns: 1fr;
  }
  
  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .dashboard-header button {
    width: 100%;
  }
  
  .dashboard-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .dashboard-actions button {
    width: 100%;
  }
  
  .history-filter {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .history-filter label {
    margin-bottom: var(--spacing-sm);
  }
  
  .history-filter select {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .settings-item {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .settings-item-control {
    margin-top: var(--spacing-sm);
    width: 100%;
  }
  
  .settings-item-control select {
    width: 100%;
  }
  
  .modal-container {
    max-height: 100vh;
    border-radius: 0;
  }
}