/* ==========================================================================
   LatePals — design tokens
   Dark-first: this is a "chatting with pals late at night" app, so the
   default surface is a deep night-sky navy with warm coral / cool
   periwinkle glow accents, like a phone screen lighting up a dark room.
   ========================================================================== */

:root {
  --color-bg:          #12121C;
  --color-surface:     #1B1B2E;
  --color-surface-alt: #22223A;
  --color-border:      #32324A;
  --color-text:        #EDEDF7;
  --color-text-soft:   #9C9CBE;
  --color-coral:       #FF8F65;
  --color-coral-soft:  #FFB199;
  --color-periwinkle:  #8B8FE8;
  --color-periwinkle-soft: #B3B6F2;
  --color-success:     #6FCF97;
  --color-danger:      #F17171;
  --font-display: 'Baloo 2', 'Quicksand', sans-serif;
  --font-body:    'Plus Jakarta Sans', -apple-system, sans-serif;
  --radius: 14px;
  --shadow-glow: 0 8px 30px -8px rgba(139, 143, 232, 0.25);
  --color-header-bg: rgba(18,18,28,0.85);
  --color-bg-glow: #1D1D3A;
}

/* ==========================================================================
   Themes. Each is a full palette swap via [data-theme] on <html> — not
   just a dark/light toggle. Picked from the header's palette menu,
   applied instantly via JS, and saved to the user's account so it
   follows them across devices (see set_theme.php / js/main.js).
   ========================================================================== */

html[data-theme="light"] {
  --color-bg:          #F7F5FA;
  --color-surface:     #FFFFFF;
  --color-surface-alt: #EFEBF7;
  --color-border:      #B8ACD4;
  --color-header-bg: rgba(247,245,250,0.85);
  --color-bg-glow: #E4DEF2;
  --color-text:        #1E1E2E;
  --color-text-soft:   #6B6B85;
  --color-coral:       #B8461F;
  --color-coral-soft:  #D3703F;
  --color-periwinkle:  #5B5FCF;
  --color-periwinkle-soft: #4348B5;
  --shadow-glow: 0 8px 30px -8px rgba(91, 95, 207, 0.25);
}

html[data-theme="blue"] {
  --color-bg:          #0B1830;
  --color-surface:     #132540;
  --color-surface-alt: #1B3358;
  --color-border:      #2A4A73;
  --color-header-bg: rgba(11,24,48,0.85);
  --color-bg-glow: #17294A;
  --color-text:        #E4EEFB;
  --color-text-soft:   #8FA8C7;
  --color-coral:       #4FC3F7;
  --color-coral-soft:  #7DD3F9;
  --color-periwinkle:  #7C8FFF;
  --color-periwinkle-soft: #A3B0FF;
  --shadow-glow: 0 8px 30px -8px rgba(79, 195, 247, 0.3);
}

html[data-theme="orange"] {
  --color-bg:          #1F1209;
  --color-surface:     #2B1B0F;
  --color-surface-alt: #3A2515;
  --color-border:      #55371F;
  --color-header-bg: rgba(31,18,9,0.85);
  --color-bg-glow: #2E1D10;
  --color-text:        #FDEEE0;
  --color-text-soft:   #C9A98A;
  --color-coral:       #FF7A45;
  --color-coral-soft:  #FF9A6E;
  --color-periwinkle:  #FFC15E;
  --color-periwinkle-soft: #FFD48A;
  --shadow-glow: 0 8px 30px -8px rgba(255, 122, 69, 0.3);
}

html[data-theme="brown"] {
  --color-bg:          #F2E9DD;
  --color-surface:     #FFFDF8;
  --color-surface-alt: #E8DAC5;
  --color-border:      #BBA07A;
  --color-header-bg: rgba(242,233,221,0.85);
  --color-bg-glow: #EAD9BE;
  --color-text:        #3B2A1D;
  --color-text-soft:   #7A6350;
  --color-coral:       #7A4A1F;
  --color-coral-soft:  #96602E;
  --color-periwinkle:  #456038;
  --color-periwinkle-soft: #3F5C34;
  --shadow-glow: 0 8px 30px -8px rgba(122, 74, 31, 0.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  background: radial-gradient(circle at 20% 0%, var(--color-bg-glow) 0%, var(--color-bg) 55%);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.55;
  min-height: 100vh;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }

h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 700; margin: 0 0 0.5em; line-height: 1.2; }
p { margin: 0 0 1em; }

.container { max-width: 1000px; margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: 560px; margin: 0 auto; padding: 0 20px; }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--color-periwinkle); outline-offset: 2px;
}

/* ---------------- Buttons ---------------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-family: var(--font-body); font-weight: 700;
  font-size: 0.95rem; border: 1.5px solid transparent; cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--color-coral), var(--color-periwinkle)); color: #12121C; }
.btn-primary:hover { box-shadow: var(--shadow-glow); }
.btn-secondary { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-secondary:hover { background: var(--color-surface-alt); }
.btn-outline { background: transparent; border-color: var(--color-periwinkle); color: var(--color-periwinkle-soft); }
.btn-small { padding: 8px 16px; font-size: 0.85rem; }
.btn-danger { background: transparent; border-color: var(--color-danger); color: var(--color-danger); }
.btn-danger:hover { background: rgba(241,113,113,0.12); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.link-btn { background: none; border: none; padding: 0; cursor: pointer; font-family: var(--font-body); color: var(--color-periwinkle-soft); font-weight: 700; }

/* ---------------- Header / nav ---------------- */

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: var(--color-header-bg); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding: 12px 20px; gap: 16px; }
.logo { display: flex; align-items: center; gap: 10px; }
.logo svg { width: 34px; height: 34px; }
.logo-text { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; background: linear-gradient(135deg, var(--color-coral), var(--color-periwinkle)); -webkit-background-clip: text; background-clip: text; color: transparent; }

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  display: flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 999px;
  font-weight: 700; font-size: 0.9rem; color: var(--color-text-soft);
}
.main-nav a:hover, .main-nav a.active { background: var(--color-surface-alt); color: var(--color-text); }
.nav-badge { background: var(--color-coral); color: #12121C; font-size: 0.7rem; font-weight: 800; border-radius: 999px; padding: 1px 6px; }

.header-right { display: flex; align-items: center; gap: 10px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; object-fit: cover; border: 2px solid var(--color-border); }
.avatar-sm { width: 28px; height: 28px; }
.avatar-lg { width: 96px; height: 96px; border-width: 3px; }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 6px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--color-text); margin: 5px 0; border-radius: 2px; }

.theme-menu { position: relative; }
.theme-menu-btn {
  width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--color-border);
  background: var(--color-surface-alt); color: var(--color-text); display: flex; align-items: center;
  justify-content: center; cursor: pointer;
}
.theme-menu-btn:hover { background: var(--color-surface); }
.theme-menu-dropdown {
  display: none; position: absolute; top: calc(100% + 8px); right: 0; min-width: 160px;
  background: var(--color-surface); border: 1px solid var(--color-border); border-radius: 12px;
  padding: 6px; box-shadow: 0 12px 30px -8px rgba(0,0,0,0.4); z-index: 60;
}
.theme-menu-dropdown.is-open { display: block; }
.theme-option {
  display: flex; align-items: center; gap: 10px; width: 100%; padding: 9px 10px; border-radius: 8px;
  background: none; border: none; cursor: pointer; color: var(--color-text); font-family: var(--font-body);
  font-size: 0.9rem; font-weight: 600; text-align: left;
}
.theme-option:hover { background: var(--color-surface-alt); }
.theme-option.is-active { background: var(--color-surface-alt); }
.theme-swatch { width: 16px; height: 16px; border-radius: 50%; flex-shrink: 0; border: 1.5px solid var(--color-border); }

/* ---------------- Cards / forms ---------------- */

.card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); padding: 22px; }
.card + .card { margin-top: 16px; }

.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-weight: 700; font-size: 0.88rem; margin-bottom: 6px; }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--color-border); border-radius: 10px;
  font-family: var(--font-body); font-size: 0.95rem; background: var(--color-surface-alt); color: var(--color-text);
}
.form-row textarea { min-height: 90px; resize: vertical; }
.form-note { font-size: 0.8rem; color: var(--color-text-soft); margin-top: 4px; }
.form-alert { padding: 13px 16px; border-radius: 10px; font-size: 0.9rem; margin-bottom: 18px; }
.form-alert.success { background: rgba(111,207,151,0.12); border: 1px solid var(--color-success); color: var(--color-success); }
.form-alert.error { background: rgba(241,113,113,0.12); border: 1px solid var(--color-danger); color: var(--color-danger); }

.auth-shell { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-card .logo { justify-content: center; margin-bottom: 20px; }
.auth-card h1 { text-align: center; font-size: 1.6rem; }
.auth-card .subtitle { text-align: center; color: var(--color-text-soft); margin-bottom: 24px; font-size: 0.92rem; }
.name-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }

/* ---------------- Feed / posts ---------------- */

.compose-card textarea { min-height: 70px; }
.compose-actions { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; }

.post { display: flex; gap: 12px; }
.post-body { flex: 1; }
.post-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.post-author { font-weight: 700; }
.post-tag-chip { font-size: 0.75rem; color: var(--color-periwinkle-soft); }
.post-time { font-size: 0.78rem; color: var(--color-text-soft); }
.post-text { white-space: pre-wrap; word-break: break-word; }
.post-image { margin-top: 10px; border-radius: 10px; max-height: 420px; object-fit: cover; width: 100%; }
.post-actions { display: flex; gap: 16px; margin-top: 12px; }
.like-btn { display: flex; align-items: center; gap: 6px; background: none; border: none; cursor: pointer; color: var(--color-text-soft); font-weight: 700; font-size: 0.85rem; }
.like-btn.is-liked { color: var(--color-coral); }
.like-btn svg { width: 18px; height: 18px; }

.sponsored-post { border-color: var(--color-coral); background: linear-gradient(180deg, rgba(255,143,101,0.06), transparent); }
.sponsored-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-coral); font-weight: 800; margin-bottom: 8px; display: block; }

/* ---------------- Search / user rows ---------------- */

.user-row { display: flex; align-items: center; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--color-border); }
.user-row:last-child { border-bottom: none; }
.user-row-info { flex: 1; }
.user-row-name { font-weight: 700; }
.user-row-tag { color: var(--color-text-soft); font-size: 0.85rem; }

/* ---------------- Messages ---------------- */

.messages-layout { display: grid; grid-template-columns: 280px 1fr; gap: 0; border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; min-height: 500px; }
.conversations-list { border-right: 1px solid var(--color-border); background: var(--color-surface); overflow-y: auto; max-height: 640px; }
.conversation-item { display: flex; gap: 10px; align-items: center; padding: 14px; border-bottom: 1px solid var(--color-border); }
.conversation-item:hover, .conversation-item.active { background: var(--color-surface-alt); }
.conversation-preview { font-size: 0.82rem; color: var(--color-text-soft); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 160px; }
.unread-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--color-coral); flex-shrink: 0; }

.chat-panel { display: flex; flex-direction: column; background: var(--color-bg); }
.chat-header { padding: 14px; border-bottom: 1px solid var(--color-border); display: flex; align-items: center; gap: 10px; }
.chat-thread { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; max-height: 500px; }
.chat-bubble { max-width: 70%; padding: 10px 14px; border-radius: 16px; font-size: 0.92rem; }
.chat-bubble.mine { align-self: flex-end; background: linear-gradient(135deg, var(--color-coral), var(--color-periwinkle)); color: #12121C; }
.chat-bubble.theirs { align-self: flex-start; background: var(--color-surface-alt); }
.chat-input-row { display: flex; gap: 10px; padding: 14px; border-top: 1px solid var(--color-border); }
.chat-input-row input { flex: 1; }
.chat-empty { display: flex; align-items: center; justify-content: center; flex: 1; color: var(--color-text-soft); text-align: center; padding: 40px; }

/* ---------------- Profile ---------------- */

.profile-header { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.profile-header .name { font-size: 1.4rem; margin-bottom: 2px; }
.profile-header .tag { color: var(--color-text-soft); }
.profile-actions { margin-left: auto; display: flex; gap: 10px; }

.empty-state { text-align: center; padding: 50px 20px; color: var(--color-text-soft); }

/* ---------------- Responsive ---------------- */

@media (max-width: 760px) {
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .site-header.nav-open .main-nav {
    display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0;
    background: var(--color-bg); border-bottom: 1px solid var(--color-border); padding: 14px 20px; gap: 8px;
  }
  .messages-layout { grid-template-columns: 1fr; }
  .conversations-list { max-height: 220px; border-right: none; border-bottom: 1px solid var(--color-border); }
  .name-grid { grid-template-columns: 1fr; }
  .profile-header { flex-direction: column; align-items: flex-start; text-align: left; }
  .profile-actions { margin-left: 0; }
}
