/* styles.css - GLOBAL STYLES - Text Color System Update */
/* Import Google Fonts: Poppins for titles, Nunito Sans for body */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@700&family=Nunito+Sans:wght@400;600&display=swap');

:root {
  /* === Color Palette === */
  --color-grey-page-bg: #2e2e2e;                /* Grey: Page background */
  --color-dark-grey-header-footer-bg: #1c1c1c;   /* Dark Grey: Header, Footer, Panels, Modal BG */
  --color-dark-grey-panel-bg: #2a2a2a;           /* Slightly Lighter Dark Grey: For nested panels */
  --color-light-grey-borders-dividers: #444444; /* Light Grey: Borders, Dividers */
  --color-white-accent-bg: #f0f0f0;             /* White: Backgrounds for active/hover states */
  
  /* === NEW Text Color System === */
  --color-text-headings: #f0f0f0;               /* White: Main titles (h1), Section titles (h2) */
  --color-text-primary: #cccccc;                /* Light Grey: Primary body text, descriptions */
  --color-text-secondary: #a0a0a0;              /* Muted Grey: Labels, footer text, less important info */
  --color-text-on-light: #1c1c1c;               /* Dark Grey/Black: Text on light backgrounds (active pills, buttons) */
  --color-text-accent: #f0f0f0;                 /* White: Active nav links, specific highlights */
  --color-text-error: #ffaaaa;                  /* Reddish: Error messages */
  --color-text-link-hover: #ffffff;             /* White: Link hover color */

  /* === Button & Interaction Colors === */
  --color-accent-primary: #007bff;              /* Accent for primary buttons */
  --color-accent-primary-dark: #0056b3;         /* Darker accent for hover */
  --color-button-text-primary: #ffffff;         /* Text color for primary buttons */
  --color-social-icon-border: var(--color-white-accent-bg); /* Border for social icons */
  --color-social-icon-hover-bg: var(--color-light-grey-borders-dividers);
  
  /* Pill Switch Specific Colors */
  --pill-switch-bg: #3a3a3a;                     
  --pill-switch-text-color: var(--color-text-primary); /* Use primary text color for pills */
  --pill-switch-active-bg: var(--color-white-accent-bg);    
  --pill-switch-active-text-color: var(--color-text-on-light); 
  --pill-switch-disabled-text-color: #888;

  /* Dropdown specific colors (Examples) */
  --dropdown-bg: #333;
  --dropdown-border-color: var(--color-light-grey-borders-dividers);
  --dropdown-text-color: var(--color-text-primary); /* Use primary text color */
  --dropdown-item-hover-bg: #555;
  --dropdown-item-selected-bg: var(--color-accent-primary-dark);


  /* === Layout Dimensions === */
  --main-content-width: 860px;
  --main-content-padding-desktop: 80px;
  --main-content-padding-mobile: 20px;
  --main-container-max-width: calc(var(--main-content-width) + (2 * var(--main-content-padding-desktop))); 
  --header-height: 75px; 

  /* === Typography === */
  --font-primary: 'Nunito Sans', sans-serif;
  --font-headings: 'Poppins', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.7;
}

/* === Global Resets and Base Styles === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  overflow-y: auto;
  scrollbar-gutter: stable;
  font-size: var(--font-size-base);
}

body {
  font-family: var(--font-primary);
  background-color: var(--color-grey-page-bg);
  color: var(--color-text-primary); /* Default text color set to primary (Light Grey) */
  line-height: var(--line-height-base);
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit; /* Links inherit color by default */
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* === Common Container === */
.content-limiter {
  width: 100%;
  max-width: var(--main-container-max-width); 
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--main-content-padding-desktop);
  padding-right: var(--main-content-padding-desktop);
}


/* === Header === */
header {
  background-color: var(--color-dark-grey-header-footer-bg); 
  border-bottom: 1px solid var(--color-light-grey-borders-dividers); 
  height: var(--header-height); 
  display: flex; 
  align-items: center; 
  position: relative;
  z-index: 100;
}

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

.brand img {
  height: 45px; 
  max-height: 45px; 
}

nav ul {
  list-style: none;
  display: flex;
  gap: 30px; 
  align-items: center; 
}

nav li a {
  font-family: var(--font-primary);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary); /* Nav links use primary text color */
  border-bottom: 2px solid transparent;
  padding-bottom: 4px; 
  transition: border-color 0.2s ease, color 0.2s ease;
  white-space: nowrap;
}

nav li a:hover {
  color: var(--color-text-link-hover); /* Use specific hover color */
}

nav li a.active {
  color: var(--color-text-accent); /* Active nav uses accent color */
  border-color: var(--color-text-accent); 
}

.menu-icon {
  display: none;
  font-size: 1.8rem; 
  cursor: pointer;
  padding: 5px;
  font-family: var(--font-headings);
  color: var(--color-text-accent); /* Use accent color for icon */
}

/* === Main Page Content Area === */
.page-main-content-area { 
  padding-top: 60px;
  padding-bottom: 60px;
}

/* === Content Layout Blocks === */
.intro-block {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  margin-bottom: 60px;
}

.intro-block__title { /* e.g., PLANET DASHBOARD */
  font-family: var(--font-headings);
  font-size: clamp(2rem, 5vw, 2.8rem);
  line-height: 1.1;
  color: var(--color-text-headings); /* Use heading color */
  flex: 1 1 40%;
  min-width: 200px;
}

.intro-block__text { /* Paragraph below main title */
  font-size: 1.1rem;
  line-height: var(--line-height-base);
  color: var(--color-text-primary); /* Use primary text color */
  flex: 1 1 55%;
  max-width: 650px;
}

.section-heading-block {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 30px;
  margin-bottom: 40px;
}

.section-heading-block__title { /* e.g., SIZE, DISTANCE */
  font-family: var(--font-headings);
  font-size: clamp(1.5rem, 4vw, 2rem);
  line-height: 1.2;
  color: var(--color-text-headings); /* Use heading color */
  flex: 1 1 40%;
  min-width: 150px;
}

.section-heading-block__text { /* Paragraph below section title */
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--color-text-primary); /* Use primary text color */
  flex: 1 1 55%;
  max-width: 600px;
}

/* === Horizontal Content Divider === */
.content-divider {
  height: 1px;
  background-color: var(--color-light-grey-borders-dividers); 
  margin: 60px 0;
  width: 100%;
}


/* === Footer === */
footer {
  background-color: var(--color-dark-grey-header-footer-bg); 
  padding: 30px 0; 
  border-top: 1px solid var(--color-light-grey-borders-dividers); 
  color: var(--color-text-secondary); /* Use secondary text color */
}

.footer-inner-container { 
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 15px;
}

.social-links a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-dark-grey-header-footer-bg); 
  border: 1px solid var(--color-social-icon-border);       
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.social-links a:hover {
  background-color: var(--color-social-icon-hover-bg); 
  border-color: var(--color-social-icon-hover-bg); 
}

.social-links img {
  width: 18px;
  height: 18px;
  filter: brightness(0) invert(1); /* Makes icons white */
}

footer p {
  font-size: 0.85rem;
  margin-top: 0;
  color: var(--color-text-secondary); /* Explicitly set footer p color */
}

/* === Modal Styles (for mobile navigation) === */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  z-index: 2099;
}
.modal-backdrop.open { display: block; }

.modal { /* Mobile nav modal */
  position: fixed;
  top: 0;
  right: -300px; 
  width: clamp(250px, 70vw, 280px);
  height: 100%;
  background: var(--color-dark-grey-header-footer-bg); 
  padding: 30px 20px;
  transition: right 0.3s ease;
  z-index: 2100;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left: 1px solid var(--color-light-grey-borders-dividers); 
}
.modal.open { right: 0; }

.modal a {
  font-family: var(--font-primary);
  font-size: 1.05rem;
  color: var(--color-text-primary); /* Use primary text color */
  padding: 8px 0;
  transition: color 0.2s ease;
  font-weight: 600;
}
.modal a:hover { color: var(--color-text-link-hover); }
body.modal-open { overflow: hidden; }


/* === Button Styles === */

/* --- Standard Button (Legacy or Specific Use) --- */
.button-standard {
  display: inline-block;
  padding: clamp(10px, 1vw, 12px) clamp(18px, 1.8vw, 25px);
  font-size: clamp(0.9rem, 1vw, 1.1rem);
  font-family: var(--font-headings); 
  font-weight: 700;
  background-color: transparent;
  color: var(--color-text-accent); /* Use accent text color */
  border: 1.5px solid var(--color-text-accent);  
  text-decoration: none;
  border-radius: 5px;
  cursor: pointer; 
  text-align: center;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.button-standard:hover {
  background-color: var(--color-white-accent-bg);   
  color: var(--color-text-on-light); /* Use text-on-light color */
}

/* --- Generic Button Styles --- */
.button-generic {
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: 25px; 
    font-weight: 600;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease, transform 0.1s ease;
    font-size: 14px; 
    display: inline-flex; 
    align-items: center;
    justify-content: center;
    text-decoration: none; 
    white-space: nowrap;
}

.button-generic:active {
    transform: translateY(1px); 
}

.button-generic.primary {
    background-color: var(--color-accent-primary); 
    color: var(--color-button-text-primary); /* Specific white for primary button text */
    border-color: var(--color-accent-primary);
}

.button-generic.primary:hover {
    background-color: var(--color-accent-primary-dark); 
    border-color: var(--color-accent-primary-dark);
}

.button-generic.outline {
    background-color: transparent;
    color: var(--color-text-accent); /* Use accent text color for outline */
    border: 1px solid var(--color-text-accent); 
}

.button-generic.outline:hover {
    background-color: var(--color-white-accent-bg); 
    color: var(--color-text-on-light); 
    border-color: var(--color-white-accent-bg);
}

.button-generic.small { /* Variant for smaller buttons like 'Edit' */
    padding: 6px 12px; 
    font-size: 13px;   
    border-radius: 20px; 
}


/* --- Pill Switch Button Group --- */
.pill-switch {
  display: flex;
  flex-wrap: wrap; 
  justify-content: center;
  gap: 5px; 
  background-color: var(--pill-switch-bg); 
  border-radius: 40px; 
  width: fit-content; 
  max-width: 100%; 
  overflow: visible; 
  padding: 5px; 
  margin: 0 auto 20px; 
  font-size: 14px; 
  position: relative; 
  font-family: var(--font-primary); 
}

.pill-switch button,
.pill-switch .custom-select-button { 
  padding: 8px 15px; 
  border: none; 
  background: transparent; 
  color: var(--pill-switch-text-color); /* Uses primary text color */
  font-weight: 600; 
  cursor: pointer;
  display: flex; 
  align-items: center;
  gap: 5px; 
  border-radius: 30px; 
  flex-shrink: 0; 
  font-family: inherit; 
  transition: background-color 0.2s ease, color 0.2s ease; 
}

.pill-switch button:not(.active):hover,
.pill-switch .custom-select-button:not(.active):hover {
  background-color: rgba(255, 255, 255, 0.1); 
}

.pill-switch button.active,
.pill-switch .custom-select-button.active { 
  background-color: var(--pill-switch-active-bg); 
  color: var(--pill-switch-active-text-color); /* Uses text-on-light */
}

.pill-switch button:disabled,
.pill-switch .custom-select-button:disabled {
  color: var(--pill-switch-disabled-text-color); 
  cursor: not-allowed; 
  background-color: transparent; 
}

/* For Planet Dashboard's custom select within a pill switch */
.pill-switch > .custom-select-container {
  display: flex; 
  position: relative; 
  overflow: visible; 
}

.custom-select-button .arrow { 
  display: inline-block; width: 0; height: 0;
  border-left: 5px solid transparent; border-right: 5px solid transparent; 
  border-top: 5px solid currentColor; margin-left: 8px; 
  transition: transform 0.2s ease-in-out; 
}
.custom-select-button.open .arrow { transform: rotate(180deg); }

.custom-dropdown { 
  display: none; position: absolute; top: calc(100% + 5px); left: 50%; 
  transform: translateX(-50%); background-color: var(--dropdown-bg, #333); 
  border: 1px solid var(--dropdown-border-color, #666); border-radius: 4px; 
  padding: 5px 0; z-index: 2000; min-width: 150px; max-height: 200px; 
  overflow-y: auto; box-shadow: 0 4px 8px rgba(0,0,0,0.3); 
}
.custom-dropdown.show { display: block; }
.custom-dropdown ul { list-style: none; padding: 0; margin: 0; }
.custom-dropdown li {
  padding: 8px 15px; color: var(--dropdown-text-color); /* Uses primary text */
  cursor: pointer; font-size: 13px; white-space: nowrap; 
  transition: background-color 0.2s ease; 
}
.custom-dropdown li:hover { background-color: var(--dropdown-item-hover-bg, #555); }
.custom-dropdown li.selected { background-color: var(--dropdown-item-selected-bg, #777); font-weight: bold; }

/* === Arrow Indicator (For Angular Size Comparer Modals) === */
.arrow-indicator {
    display: inline-block; width: 7px; height: 7px; border-style: solid;
    border-width: 0 2px 2px 0; border-color: currentColor; 
    transform: rotate(-45deg) translateY(-50%) translateX(-25%); 
    position: relative; top: 50%; transition: transform 0.2s ease-in-out;
}
.dropdown-item.expanded .dropdown-header .arrow-indicator {
    transform: rotate(45deg) translateY(-50%) translateX(-25%); 
}


/* === Responsive Adjustments === */
@media (max-width: 850px) {
  :root { --header-height: 65px; }
  .content-limiter, .header-inner-container { 
    padding-left: var(--main-content-padding-mobile); 
    padding-right: var(--main-content-padding-mobile);
    max-width: none; 
  }
  .page-main-content-area { padding-top: 40px; padding-bottom: 40px; }
  nav ul { display: none; }
  .menu-icon { display: block; }

  .intro-block, .section-heading-block {
    flex-direction: column; text-align: center; align-items: center;
    gap: 15px; margin-bottom: 30px;
  }
  .intro-block__title, .section-heading-block__title {
    flex-basis: auto; min-width: 0;
    font-size: clamp(1.7rem, 5.5vw, 2rem);
  }
  .intro-block__text, .section-heading-block__text {
    flex-basis: auto; max-width: 95%;
    font-size: 0.95rem; padding: 0 15px; 
  }
  .section-heading-block__title { font-size: clamp(1.3rem, 4.5vw, 1.7rem); }
  .section-heading-block__text { font-size: 0.9rem; }
  .content-divider { margin: 40px 0; }
  footer { padding: 25px 0; }

  .pill-switch { font-size: 12px; margin-bottom: 30px; }
  .pill-switch button, .pill-switch .custom-select-button { padding: 6px 12px; }
  .button-generic { padding: 8px 16px; font-size: 13px; }
  .button-generic.small { padding: 5px 10px; font-size: 12px; } /* Adjust small button on mobile */
}

/* === NEW: Universal Gallery and Modal Styles === */

.gallery-wrapper { 
    background-color: var(--color-dark-grey-panel-bg); 
    border-radius: 12px; 
    padding: 30px; 
    margin-bottom: 60px; 
    border: 1px solid var(--color-light-grey-borders-dividers); 
}

#gallery-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2200;
}

.gallery-modal-content {
    background: var(--color-dark-grey-panel-bg);
    color: var(--color-text-primary);
    border-radius: 10px;
    max-width: 90%;
    max-height: 90vh;
    width: 800px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--color-light-grey-borders-dividers);
    box-shadow: 0 5px 25px rgba(0,0,0,.5);
}

.gallery-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: var(--color-dark-grey-header-footer-bg);
    border-bottom: 1px solid var(--color-light-grey-borders-dividers);
}

.gallery-modal-title {
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 1.3rem;
    color: var(--color-text-headings);
}

.gallery-modal-close {
    font-size: 1.8rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--color-text-secondary);
    transition: color .2s ease;
}

.gallery-modal-close:hover {
    color: var(--color-text-accent);
}

.gallery-modal-body {
    padding: 20px;
    text-align: center;
    overflow-y: auto;
    flex-grow: 1;
}

.modal-image-container { 
    position: relative; 
    display: inline-block; 
    line-height: 0;
}

.modal-image-container img {
    max-width: 100%;
    height: auto;
    max-height: calc(85vh - 280px); /* Adjust max height based on other elements */
    border-radius: 8px;
    display: block;
    margin: 0 auto;
}

#bbox-highlighter-svg { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    height: 100%; 
    pointer-events: none; 
    opacity: 0; 
    transition: opacity 0.3s ease-in-out; 
}

#bbox-highlighter-svg.visible { 
    opacity: 0.9; 
}

#bbox-highlighter-svg ellipse { 
    fill: none; 
    stroke: var(--color-text-accent); 
    stroke-width: 2.5px; /* Slightly thicker for visibility */
    filter: drop-shadow(0 0 8px var(--color-text-accent)); 
}

.modal-image-details {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--color-light-grey-borders-dividers);
    text-align: left;
}

.subject-pills-container { 
    padding-bottom: 15px; 
    margin-bottom: 15px; 
    border-bottom: 1px solid var(--color-light-grey-borders-dividers); 
    display: flex; 
    flex-wrap: wrap; 
    gap: 10px; 
}

.subject-pill { 
    background-color: var(--color-dark-grey-header-footer-bg); 
    padding: 5px 12px; 
    border-radius: 15px; 
    font-size: 0.9rem; 
    font-weight: 600; 
    cursor: pointer; 
    transition: background-color 0.2s ease, color 0.2s ease; 
}

.subject-pill:hover { 
    background-color: var(--color-accent-primary); 
    color: var(--color-text-on-light); 
}

/* Style for pills that are not interactive */
.subject-pill[data-bbox="null"] { 
    cursor: default; 
    opacity: 0.6; 
}
.subject-pill[data-bbox="null"]:hover { 
    background-color: var(--color-dark-grey-header-footer-bg); 
    color: var(--color-text-primary); 
}

p.detail-item {
    margin: 0 !important;
    padding: 5px 0;
    font-size: .95rem;
}

p.detail-item strong {
    color: var(--color-text-headings);
    font-weight: 600;
    margin-right: 8px;
}


/* NO PAGE-SPECIFIC STYLES BELOW THIS LINE */