/* =========================================================
   /public/assets/css/app.css
   ---------------------------------------------------------
   Safe theme system:
   - Uses CSS variables (tokens)
   - Switch via: <html data-theme="dark|light">
   - Does NOT require rewriting markup across the app
   ========================================================= */

/* -------------------------
   Theme tokens (default: dark)
   ------------------------- */
:root{
  --bg-auth-0: #070b14;
  --bg-app-0:  #060a12;

  --fg: #e8eefc;
  --brand: #0099ff;

  --link: #8fc6ff;
  --link-hover: #b6dcff;

  --frost-bg: rgba(255,255,255,0.10);
  --frost-border: rgba(255,255,255,0.14);

  --input-bg: rgba(255,255,255,0.08);
  --input-border: rgba(255,255,255,0.16);
  --input-bg-focus: rgba(255,255,255,0.12);
  --input-border-focus: rgba(74,163,255,0.60);

  --auth-text: #0099ff;
  --auth-input-bg: rgba(0, 0, 0, 0.35);
  --auth-input-border: rgba(0, 153, 255, 0.4);
  --auth-input-placeholder: rgba(0, 153, 255, 0.6);

  --btn-primary-bg: rgba(74,163,255,0.95);
  --btn-primary-bg-hover: rgba(74,163,255,1);
  --btn-primary-solid: #0099ff;
  --btn-primary-solid-hover: #007acc;
}

/* -------------------------
   Light theme overrides
   ------------------------- */
html[data-theme="light"]{
  --bg-auth-0: #f5f7fb;
  --bg-app-0:  #f3f6fb;

  --fg: #0c1a2a;
  --brand: #007fd6;

  --link: #0b66b3;
  --link-hover: #084c85;

  --frost-bg: rgba(255,255,255,0.78);
  --frost-border: rgba(10,40,80,0.10);

  --input-bg: rgba(255,255,255,0.90);
  --input-border: rgba(10,40,80,0.18);
  --input-bg-focus: rgba(255,255,255,1);
  --input-border-focus: rgba(0,127,214,0.50);

  --auth-text: #0b66b3;
  --auth-input-bg: rgba(255,255,255,0.95);
  --auth-input-border: rgba(0,127,214,0.28);
  --auth-input-placeholder: rgba(11,102,179,0.55);

  --btn-primary-bg: rgba(0,127,214,0.95);
  --btn-primary-bg-hover: rgba(0,127,214,1);
  --btn-primary-solid: #007fd6;
  --btn-primary-solid-hover: #0063a7;
}

/* =========================================================
   Base backgrounds
   ========================================================= */

.bg-auth {
  min-height: 100vh;
  background:
    radial-gradient(circle at 20% 10%, rgba(74,163,255,0.25), transparent 40%),
    radial-gradient(circle at 80% 40%, rgba(0,255,210,0.12), transparent 45%),
    var(--bg-auth-0);
  color: var(--fg);
}

html[data-theme="light"] .bg-auth{
  background:
    radial-gradient(circle at 20% 10%, rgba(0,127,214,0.15), transparent 45%),
    radial-gradient(circle at 80% 40%, rgba(0,180,160,0.10), transparent 50%),
    var(--bg-auth-0);
}

.bg-app {
  min-height: 100vh;
  background:
    radial-gradient(circle at 30% 20%, rgba(74,163,255,0.18), transparent 45%),
    radial-gradient(circle at 80% 60%, rgba(140,0,255,0.10), transparent 50%),
    var(--bg-app-0);
  color: var(--fg);
}

html[data-theme="light"] .bg-app{
  background:
    radial-gradient(circle at 30% 20%, rgba(0,127,214,0.12), transparent 50%),
    radial-gradient(circle at 80% 60%, rgba(140,0,255,0.06), transparent 55%),
    var(--bg-app-0);
}

/* Frosted utility */
.frosted {
  background: var(--frost-bg) !important;
  backdrop-filter: blur(14px);
  border: 1px solid var(--frost-border);
  color: var(--fg);
}

/* Links */
a { color: var(--link); }
a:hover { color: var(--link-hover); }

/* Form controls */
.form-control {
  background: var(--input-bg);
  border: 1px solid var(--input-border);
  color: var(--fg);
}
.form-control:focus {
  background: var(--input-bg-focus);
  border-color: var(--input-border-focus);
  color: var(--fg);
  box-shadow: none;
}

/* Primary buttons (generic) */
.btn-primary {
  background: var(--btn-primary-bg);
  border: none;
}
.btn-primary:hover {
  background: var(--btn-primary-bg-hover);
}

/* ================================
   AUTH (Login / Register) POLISH
   ================================ */

.bg-auth .card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

html[data-theme="light"] .bg-auth .card{
  background: rgba(255,255,255,0.85);
}

/* Make ALL auth text readable */
.bg-auth,
.bg-auth label,
.bg-auth p,
.bg-auth span,
.bg-auth h1,
.bg-auth h2,
.bg-auth h3,
.bg-auth h4,
.bg-auth h5,
.bg-auth h6,
.bg-auth .form-text {
  color: var(--auth-text);
}

/* Inputs */
.bg-auth .form-control {
  background: var(--auth-input-bg);
  border: 1px solid var(--auth-input-border);
  color: var(--fg);
}

.bg-auth .form-control::placeholder {
  color: var(--auth-input-placeholder);
}

/* Buttons */
.bg-auth .btn-primary {
  background-color: var(--btn-primary-solid);
  border-color: var(--btn-primary-solid);
}

.bg-auth .btn-primary:hover {
  background-color: var(--btn-primary-solid-hover);
  border-color: var(--btn-primary-solid-hover);
}

/* =====================================================
   AUTH PAGES – LOGO (HARD CENTER)
   ===================================================== */

.auth-logo{
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0 0 1.25rem 0;
  text-align: center;
}

.auth-logo img{
  display: block;
  margin: 0 auto;
  width: 128px;
  height: 128px;
  object-fit: contain;
}

/* =========================================================
   Theme Toggle (modern icon switch)
   - Place a button with id="themeToggle" anywhere
   - Reads state from <html data-theme="dark|light">
   ========================================================= */

.theme-toggle{
  width: 52px;
  height: 30px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  position: relative;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  overflow: hidden;
  user-select: none;
}

html[data-theme="light"] .theme-toggle{
  border: 1px solid rgba(0,0,0,0.14);
  background: rgba(0,0,0,0.04);
}

.theme-toggle:focus{
  outline: none;
  box-shadow: 0 0 0 3px rgba(0,153,255,0.22);
}

.theme-toggle .tt-icon{
  width: 50%;
  text-align: center;
  font-size: 14px;
  line-height: 1;
  opacity: 0.85;
  color: var(--fg);
}

.theme-toggle .tt-knob{
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 999px;
  background: rgba(255,255,255,0.25);
  border: 1px solid rgba(255,255,255,0.22);
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

html[data-theme="light"] .theme-toggle .tt-knob{
  background: rgba(0,0,0,0.10);
  border-color: rgba(0,0,0,0.12);
}

/* When light mode is ON, knob slides right */
.theme-toggle[data-theme="light"] .tt-knob{
  transform: translateX(22px);
}

/* Small screens: keep it compact */
@media (max-width: 480px){
  .theme-toggle{ width: 48px; height: 28px; }
  .theme-toggle .tt-knob{ width: 22px; height: 22px; }
  .theme-toggle[data-theme="light"] .tt-knob{ transform: translateX(20px); }
}
