/* =========================================
   GLOBAL THEME VARIABLES (Kivy parity)
   ========================================= */
:root {
  /* Colors */
  --primary: #1e78f2;
  --accent: #ffc20a;
  --background: #1e90ff;
  --text: #000000;
  --button-bg: #33cc66;
  --button-text: #ffffff;
  --row-even: rgba(0, 0, 0, 0.25);
  --row-odd: rgba(0, 0, 0, 0.06);
  --border-color: rgba(0, 0, 0, 0.15);

  /* Radii */
  --button-radius: 15px;
  --card-radius: 10px;

  /* Navbar */
    --navbar-gap: var(--spacing);
    --navbar-margin-bottom: var(--spacing);
    --navbar-bg: var(--background);

  /* Popup styling */
  --popup-background: #ffe5e5;       /* soft red tint */
  --popup-border-color: #cc3333;     /* danger red */
  --popup-radius: 15px;              /* matches button/card radius */
  --popup-shadow: 0 4px 12px rgba(0,0,0,0.18);
  --popup-width: 380px;

  /* Popup text */
  --popup-title-size: 24px;
  --popup-title-color: #000000;
  --popup-message-size: 18px;
  --popup-message-color: #555555;

  /* Popup buttons */
  --popup-btn-danger-bg: #cc3333;
  --popup-btn-danger-text: #ffffff;
  --popup-btn-muted-bg: #dddddd;
  --popup-btn-muted-text: #000000;
  --popup-btn-radius: 10px;
  --popup-btn-padding: 8px;

  /* ---------------------------------------------------
     COLOR SYSTEM
     Mirrors Kivy theme structure + web component needs
     --------------------------------------------------- */

  /* Core surfaces */
  --color-surface: #ffffff;
  --color-surface-alt: #f5f5f5;

  /* Text */
  --color-text: #000000;
  --color-text-muted: #555555;

  /* Brand colors */
  --color-primary: #1e78f2;
  --color-accent: #ffc20a;

  /* Semantic colors */
  --color-danger: #cc3333;
  --color-success: #33cc66;
  --color-warning: #ff9900;
  --color-info: #1e90ff;

  /* Overlay */
  --overlay-bg: rgba(0, 0, 0, 0.35);


  /* ---------------------------------------------------
     TYPOGRAPHY SCALE
     (Kivy sp → px, consistent across components)
     --------------------------------------------------- */

  --text-xs: 14px;
  --text-sm: 16px;
  --text-base: 18px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 32px;
  --text-3xl: 36px;

  /* Kivy equivalents */
  --header-size: var(--text-3xl);
  --subheader-size: var(--text-xl);
  --body-size: var(--text-base);


  /* ---------------------------------------------------
     SPACING SCALE
     (Kivy dp → px, consistent with your layout system)
     --------------------------------------------------- */

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;

  /* Kivy equivalents */
  --padding: var(--space-5);
  --spacing: var(--space-4);


  /* ---------------------------------------------------
     RADII SCALE
     (Matches your Kivy rounded corners)
     --------------------------------------------------- */

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 15px;
  --radius-xl: 20px;

  /* Kivy equivalents */
  --button-radius: var(--radius-lg);
  --card-radius: var(--radius-md);


  /* ---------------------------------------------------
     SHADOW SYSTEM
     (Web‑friendly equivalents of Kivy elevation)
     --------------------------------------------------- */

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 2px 6px rgba(0,0,0,0.15);
  --shadow-lg: 0 4px 12px rgba(0,0,0,0.18);
  --shadow-xl: 0 8px 24px rgba(0,0,0,0.22);


  /* ---------------------------------------------------
     COMPONENT WIDTHS
     (Useful for cards, modals, panels)
     --------------------------------------------------- */

  --modal-width: 380px;
  --card-width: 100%;
}

/* =========================================
   SCREEN LAYOUT (matches <ScreenLayout>)
   ========================================= */
.screen-layout {
  padding: var(--padding);
  background-color: var(--background);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: var(--spacing);
}

/* =========================================
   TITLE LABEL (matches <TitleLabel>)
   ========================================= */
.title-label {
  font-size: var(--header-size);
  font-weight: bold;
  color: var(--text);
  text-align: center;
}

/* =========================================
   INFO LABEL (matches <InfoLabel>)
   ========================================= */
.info-label {
  background: white;
  padding: 10px;
  border-radius: 6px;
  font-size: var(--body-size);
  color: var(--text);
  text-align: center;
  display: inline-block;
}

/* =========================================
   BUTTON BASE (matches <Button>)
   ========================================= */
.button {
  background-color: var(--button-bg);
  color: var(--button-text);
  font-size: var(--body-size);
  padding: 10px 10px;
  border-radius: var(--button-radius);
  text-align: center;
  cursor: pointer;

/* Center text perfectly */
  display: inline-flex;
  align-items: center;
  justify-content: center;

  /* Kivy dynamic width logic */
  min-width: 120px;
  max-width: 280px;
  width: fit-content;
}

/* =========================================
   ROUNDED BUTTON (matches <RoundedButton>)
   ========================================= */
.rounded-button {
  border-radius: var(--button-radius);
}

/* =========================================
   CARD (matches <Card>)
   ========================================= */
.card {
  background: rgb(241, 241, 241);
  padding: 10px;
  /* gap: 10px; */
  border-radius: var(--card-radius);
  border: 2px solid black;
}

/* =========================================
   TEXT INPUT (matches <TextInput>)
   ========================================= */
.text-input {
  background: white;
  color: black;
  padding: 10px;
  padding-right: 4rem;
  font-size: var(--body-size);
  border-radius: 6px;
  border: 1px solid #ccc;
  width: 100%;
  box-sizing: border-box;
}

textarea.input-textarea {
  height: 200px !important;
  width: 100% !important;
  font-size: var(--body-size);
  background: rgb(241, 241, 241) !important;
}

.nav-disabled {
  opacity: 0.4;
  pointer-events: none;
  cursor: default;
}

.disabled-button {
    opacity: 0.5;
    pointer-events: none;
}

.active-tab {
  opacity: 0.6;
  pointer-events: none;
  cursor: default;
}

.checkbox-big {
  transform: scale(1.5);
  transform-origin: left center;
  margin-right: 6px;
}

/* Centered app column (navbar + cards + greeting) */
.app-container {
  /* max-width: 1000px; */
  margin: 0 auto;        /* centers horizontally inside the blue screen-layout */
}

.info-row {
  display: flex;
  align-items: center;
  gap: var(--spacing);
  flex-wrap: nowrap;
  margin-bottom: var(--spacing)
}

.info-row .text-input {
  flex: 1;
  min-width: 0;
  width: auto;           /* override any global 100% width */
  display: inline-block; /* prevent block-level wrapping */
}

.info-row .button {
  flex-shrink: 0;
  width: auto;
  max-width: none;
  white-space: nowrap;
  display: inline-flex;
}


/* Overlay */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

/* Hidden state */
.hidden {
    display: none;
}

/* Popup window */
.modal-window {
    background: var(--color-surface);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    width: 380px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

/* Title */
.modal-title {
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-text);
}

/* Message */
.modal-message {
    font-size: var(--text-base);
    color: var(--color-text);
    margin-bottom: var(--space-5);
}

/* Buttons row */
.modal-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
}

/* Buttons */
.btn {
    flex: 1;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    cursor: pointer;
    border: none;
}

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

.button.btn-disabled {
    background: var(--button-disabled-bg, #ccc);
    color: var(--button-disabled-text, #666);
    opacity: 0.5;
    cursor: not-allowed;
}

.button.btn-active {
    background: var(--button-primary-bg, #28a745);
    color: var(--button-primary-text, #fff);
    opacity: 1;
    cursor: pointer;
}

.btn-secondary {
    background: var(--color-muted);
    color: var(--color-text);
}

#navbar-container {
    width: 100%;
    display: flex;
    justify-content: center;
}

nav.navbar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--navbar-gap);

    max-width: 900px;
    width: 100%;
    margin: 0 auto;

    margin-top: var(--spacing);
    margin-bottom: var(--spacing);

    background-color: var(--navbar-bg);
    padding: var(--spacing);
    border-radius: var(--radius-lg);

}

.tabs-row {
  display: flex;
  justify-content: flex-start;       
  gap: var(--space-4);              
}

.tabs-row .button {
  flex: 0 0 auto;
}

.header-row {
  display: grid;
  grid-template-columns: 35% 45% 20%;
  border-bottom: 2px solid var(--text);
  font-weight: bold;
  padding-bottom: var(--space-2);
}

.header-row > div {
  padding: 4px 8px;
  border-right: 1px solid var(--text);
}

.header-row > div:last-child {
  border-right: none;
}

.sort-arrow {
  font-size: 14px;
  opacity: 0.6;
}

.referral-row {
  display: grid;
  grid-template-columns: 35% 45% 20%;
  border-bottom: 2px solid var(--text);
  padding: var(--space-2) 0;
}

.referral-row:nth-child(odd) {
  background: var(--row-even);
}

.referral-row:nth-child(even) {
  background: var(--row-odd);
}

.referral-row > div {
  padding: 4px 8px;
  border-right: 1px solid var(--text);
}

.referral-row > div:last-child {
  border-right: none;
}

.stats-panel {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: center;

  height: 60px;
  padding: 10px;
  gap: 20px;

  background-color: rgb(0, 0, 0); /* Kivy rgba(0.15,0.15,0.15,1) */
  border-radius: 10px;

  margin-bottom: var(--spacing);
}

.stat-block {
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Top label (black text in Kivy) */
.stat-label {
  font-size: 18px;
  font-weight: bold;
  color: white;
}

/* Value label (white text in Kivy) */
.stat-value {
  font-size: 18px;
  font-weight: bold;
  color: white;
}

.table-container {
  margin-top: var(--spacing);
}