/* ==========================================================================
   VixVox — Global design system
   Responsive, mobile-first foundation shared by every page (base.html).
   ========================================================================== */

/* ---- Design tokens -------------------------------------------------------- */
:root {
  --color-bg: #f3f4f6;
  --color-surface: #ffffff;
  --color-surface-alt: #f8f9fa;
  --color-border: #e2e5ea;
  --color-text: #1f2430;
  --color-text-muted: #5b6472;
  --color-primary: #4f46e5;
  --color-primary-hover: #4338ca;
  --color-primary-contrast: #ffffff;
  --color-accent: #4ade80;
  --color-danger: #e74c3c;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";

  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.1);
  --shadow: 0 4px 12px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.12);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;

  --container-max: 1200px;
  --header-h: 60px;
}

/* ---- Modern reset --------------------------------------------------------- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

h1,
h2,
h3,
h4 {
  line-height: 1.2;
  margin: 0 0 var(--space-4);
}

h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); }
h2 { font-size: clamp(1.35rem, 3vw, 1.8rem); }
h3 { font-size: clamp(1.15rem, 2.5vw, 1.4rem); }

p { margin: 0 0 var(--space-4); }

/* ---- Layout helpers ------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.site-main {
  flex: 1 0 auto;
  width: 100%;
  padding-block: var(--space-6);
}

.stack > * + * {
  margin-top: var(--space-4);
}

/* Responsive auto-fit grid for cards/feeds */
.grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
}

/* ---- Navbar --------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.site-nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.site-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--color-text);
}

.site-nav__brand img {
  height: 32px;
  width: auto;
}

.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.site-nav__toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.site-nav__menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__menu a,
.site-nav__menu summary {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-weight: 500;
  cursor: pointer;
}

.site-nav__menu a:hover,
.site-nav__menu summary:hover {
  background: var(--color-surface-alt);
  text-decoration: none;
}

/* Dropdowns built with <details> for no-JS resilience */
.site-nav__menu details {
  position: relative;
}

.site-nav__menu details > summary {
  list-style: none;
}

.site-nav__menu details > summary::-webkit-details-marker {
  display: none;
}

.site-nav__menu details > summary::after {
  content: " ▾";
  font-size: 0.75em;
  color: var(--color-text-muted);
}

.site-nav__dropdown {
  list-style: none;
  margin: 0;
  padding: var(--space-2);
  min-width: 200px;
}

@media (min-width: 769px) {
  .site-nav__menu details[open] > .site-nav__dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + 6px);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }
}

/* Mobile nav */
@media (max-width: 768px) {
  .site-nav__toggle {
    display: flex;
  }

  .site-nav__menu {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: var(--header-h);
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow);
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }

  .site-nav.is-open .site-nav__menu {
    display: flex;
  }

  .site-nav__menu details > summary::after {
    float: right;
  }

  .site-nav__dropdown {
    padding-left: var(--space-4);
  }
}

/* ---- Footer --------------------------------------------------------------- */
.site-footer {
  flex-shrink: 0;
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  max-width: var(--container-max);
  margin-inline: auto;
  padding: var(--space-5) var(--space-4);
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  list-style: none;
  margin: 0;
  padding: 0;
}

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

/* ---- Buttons -------------------------------------------------------------- */
.btn,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.25rem;
  min-height: 44px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: var(--color-primary-contrast);
  font-weight: 600;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}

.btn:hover,
.button:hover {
  background: var(--color-primary-hover);
  text-decoration: none;
}

.btn:active,
.button:active {
  transform: translateY(1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-border);
}

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

/* Round icon button (record / capture controls) */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  font-size: 1.3rem;
  padding: 0;
  margin: var(--space-1);
  border: none;
  border-radius: 50%;
  background: var(--color-surface-alt);
  cursor: pointer;
  transition: background 0.15s ease;
}

.icon-btn:hover { background: var(--color-border); }
.icon-btn:active { background: var(--color-accent); }

/* ---- Forms ---------------------------------------------------------------- */
.form-group {
  margin-bottom: var(--space-4);
}

label {
  display: block;
  margin-bottom: var(--space-1);
  font-weight: 600;
  font-size: 0.9rem;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="search"],
input[type="url"],
input[type="tel"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

input[type="submit"] {
  width: auto;
}

/* ---- Cards / surfaces ----------------------------------------------------- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
}

/* Centered single-column page (auth, messages) */
.auth-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  width: 100%;
  max-width: 960px;
  margin-inline: auto;
  padding: var(--space-4);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: var(--space-6);
}

/* ---- Landing / login explainer ------------------------------------------- */
.landing {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-6);
  align-items: start;
  width: 100%;
  max-width: 1080px;
  margin-inline: auto;
  padding: var(--space-5) var(--space-4);
}

.landing__logo img {
  max-width: 200px;
  height: auto;
}

.landing__intro h1 {
  margin: var(--space-3) 0 var(--space-2);
  line-height: 1.15;
}

.landing__lede {
  font-size: 1.1rem;
  color: var(--color-text-muted, inherit);
  margin-bottom: var(--space-5);
}

.landing__features {
  list-style: none;
  margin: 0 0 var(--space-5);
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.feature {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.feature__icon {
  font-size: 1.5rem;
  line-height: 1.2;
  flex: 0 0 auto;
}

.landing__beta {
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.95rem;
}

.landing__auth {
  position: sticky;
  top: var(--space-4);
}

@media (max-width: 800px) {
  .landing {
    grid-template-columns: 1fr;
  }
  .landing__auth {
    position: static;
    max-width: 420px;
    margin-inline: auto;
  }
}

/* ---- Media (video/audio/img feeds) --------------------------------------- */
.video-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3);
  margin-bottom: var(--space-4);
}

.video-card video,
.video-card audio,
.video-card img {
  width: 100%;
  height: auto;
  border-radius: var(--radius-sm);
}

/* ---- Tables --------------------------------------------------------------- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface);
}

table.data th,
table.data td {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
}

table.data th {
  background: var(--color-surface-alt);
  font-weight: 600;
}

/* ---- Messages (Django messages framework) -------------------------------- */
.messages {
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.messages li {
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
}

.messages li.success {
  background: #dff0d8;
  color: #3c763d;
  border-color: #d6e9c6;
}

.messages li.error {
  background: #f2dede;
  color: #a94442;
  border-color: #ebccd1;
}

/* ---- Utilities ------------------------------------------------------------ */
.text-center { text-align: center; }
.muted { color: var(--color-text-muted); }
.hidden { display: none !important; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}