/* =============================================================
   HOROSCOPE APP — MAIN CSS
   Global design tokens, typography, theme, utilities
   ============================================================= */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&family=Noto+Sans+Devanagari:wght@300;400;500;600;700&display=swap');

/* ── CSS Custom Properties ── */
:root {
  /* Colors */
  --clr-primary:       hsl(260, 70%, 58%);
  --clr-primary-dark:  hsl(260, 70%, 45%);
  --clr-primary-light: hsl(260, 70%, 72%);
  --clr-accent:        hsl(38, 95%, 58%);
  --clr-accent-dark:   hsl(38, 90%, 45%);
  --clr-star:          hsl(50, 100%, 65%);

  /* Dark Theme (default) */
  --bg-base:           hsl(230, 28%, 7%);
  --bg-surface:        hsl(230, 24%, 11%);
  --bg-card:           hsl(230, 22%, 14%);
  --bg-card-hover:     hsl(230, 20%, 18%);
  --bg-overlay:        hsla(230, 28%, 7%, 0.85);
  --bg-glass:          hsla(230, 22%, 14%, 0.75);
  --border-color:      hsla(260, 40%, 60%, 0.18);
  --border-accent:     hsla(260, 70%, 58%, 0.35);

  --text-primary:      hsl(0, 0%, 96%);
  --text-secondary:    hsl(230, 15%, 65%);
  --text-muted:        hsl(230, 15%, 45%);
  --text-accent:       hsl(38, 95%, 58%);
  --text-on-primary:   hsl(0, 0%, 100%);

  --clr-success:       hsl(145, 60%, 45%);
  --clr-danger:        hsl(0, 70%, 55%);
  --clr-warning:       hsl(38, 95%, 55%);
  --clr-info:          hsl(200, 75%, 55%);

  /* Spacing */
  --space-xs:   4px;
  --space-sm:   8px;
  --space-md:   16px;
  --space-lg:   24px;
  --space-xl:   40px;
  --space-2xl:  64px;
  --space-3xl:  96px;

  /* Radius */
  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-xl:   28px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 2px 8px hsla(260, 70%, 10%, 0.4);
  --shadow-md:  0 4px 20px hsla(260, 70%, 10%, 0.5);
  --shadow-lg:  0 8px 40px hsla(260, 70%, 10%, 0.6);
  --shadow-glow:0 0 30px hsla(260, 70%, 58%, 0.25);
  --shadow-accent-glow: 0 0 30px hsla(38, 95%, 58%, 0.2);

  /* Typography */
  --font-en:    'Poppins', sans-serif;
  --font-hi:    'Noto Sans Devanagari', 'Poppins', sans-serif;
  --font-size-xs:   0.72rem;
  --font-size-sm:   0.85rem;
  --font-size-base: 1rem;
  --font-size-md:   1.1rem;
  --font-size-lg:   1.25rem;
  --font-size-xl:   1.5rem;
  --font-size-2xl:  2rem;
  --font-size-3xl:  2.75rem;
  --font-size-4xl:  3.5rem;

  /* Transitions */
  --transition-fast:   150ms ease;
  --transition-base:   250ms ease;
  --transition-slow:   400ms ease;

  /* Z-Index */
  --z-base:     1;
  --z-dropdown: 100;
  --z-sticky:   200;
  --z-modal:    300;
  --z-toast:    400;
}

/* Light Theme */
[data-theme="light"] {
  --bg-base:        hsl(230, 30%, 96%);
  --bg-surface:     hsl(230, 25%, 92%);
  --bg-card:        hsl(0, 0%, 100%);
  --bg-card-hover:  hsl(230, 25%, 97%);
  --bg-overlay:     hsla(230, 30%, 96%, 0.9);
  --bg-glass:       hsla(0, 0%, 100%, 0.8);
  --border-color:   hsla(260, 40%, 60%, 0.15);
  --border-accent:  hsla(260, 70%, 58%, 0.3);

  --text-primary:   hsl(230, 30%, 12%);
  --text-secondary: hsl(230, 20%, 40%);
  --text-muted:     hsl(230, 15%, 58%);

  --shadow-sm:  0 2px 8px hsla(230, 20%, 40%, 0.12);
  --shadow-md:  0 4px 20px hsla(230, 20%, 40%, 0.18);
  --shadow-lg:  0 8px 40px hsla(230, 20%, 40%, 0.22);
  --shadow-glow:0 0 30px hsla(260, 70%, 58%, 0.15);
}

/* ── Reset & Base ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-en);
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background-color: var(--bg-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Hindi language class */
body.lang-hi,
.lang-hi * {
  font-family: var(--font-hi);
}

a {
  color: var(--clr-primary-light);
  text-decoration: none;
  transition: color var(--transition-fast);
}
a:hover { color: var(--clr-accent); }

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

ul, ol { list-style: none; }

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg-surface); }
::-webkit-scrollbar-thumb { background: var(--clr-primary-dark); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.25;
  font-weight: 700;
  color: var(--text-primary);
}

.text-gradient {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-xs   { font-size: var(--font-size-xs); }
.text-sm   { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-md   { font-size: var(--font-size-md); }
.text-lg   { font-size: var(--font-size-lg); }
.text-xl   { font-size: var(--font-size-xl); }
.text-2xl  { font-size: var(--font-size-2xl); }
.text-3xl  { font-size: var(--font-size-3xl); }
.text-4xl  { font-size: var(--font-size-4xl); }

.text-primary   { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted     { color: var(--text-muted); }
.text-accent    { color: var(--clr-accent); }
.text-purple    { color: var(--clr-primary-light); }
.text-success   { color: var(--clr-success); }
.text-danger    { color: var(--clr-danger); }

.font-300 { font-weight: 300; }
.font-400 { font-weight: 400; }
.font-500 { font-weight: 500; }
.font-600 { font-weight: 600; }
.font-700 { font-weight: 700; }
.font-800 { font-weight: 800; }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.container-sm  { max-width: 800px;  margin-inline: auto; padding-inline: var(--space-lg); }
.container-md  { max-width: 1024px; margin-inline: auto; padding-inline: var(--space-lg); }

.flex        { display: flex; }
.flex-col    { display: flex; flex-direction: column; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-start  { display: flex; align-items: center; justify-content: flex-start; }
.flex-wrap   { flex-wrap: wrap; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

.grid { display: grid; }

/* ── Cards / Glass ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  border-color: var(--border-accent);
}

.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, hsla(0,0%,100%,0.1), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.btn:hover::after { opacity: 1; }

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dark));
  color: white;
  box-shadow: 0 4px 15px hsla(260, 70%, 50%, 0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px hsla(260, 70%, 50%, 0.5);
}

.btn-accent {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-dark));
  color: hsl(0,0%,10%);
  box-shadow: 0 4px 15px hsla(38, 95%, 55%, 0.3);
}
.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 25px hsla(38, 95%, 55%, 0.5);
}

.btn-outline {
  background: transparent;
  border: 1.5px solid var(--clr-primary);
  color: var(--clr-primary-light);
}
.btn-outline:hover {
  background: hsla(260, 70%, 58%, 0.12);
  border-color: var(--clr-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

.btn-danger {
  background: linear-gradient(135deg, var(--clr-danger), hsl(0, 70%, 45%));
  color: white;
}
.btn-success {
  background: linear-gradient(135deg, var(--clr-success), hsl(145, 60%, 35%));
  color: white;
}

.btn-sm { padding: 6px 14px; font-size: var(--font-size-xs); }
.btn-lg { padding: 14px 32px; font-size: var(--font-size-base); }
.btn-icon { padding: 10px; border-radius: var(--radius-md); }
.btn-pill { border-radius: var(--radius-full); }

/* ── Form Controls ── */
.form-group {
  margin-bottom: var(--space-md);
}

label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
  letter-spacing: 0.4px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
input[type="week"],
select,
textarea {
  width: 100%;
  padding: 11px 16px;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-slow);
  outline: none;
  appearance: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px hsla(260, 70%, 58%, 0.18);
  background: var(--bg-card);
}

input.error,
select.error,
textarea.error {
  border-color: var(--clr-danger);
  box-shadow: 0 0 0 3px hsla(0, 70%, 55%, 0.15);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--clr-danger);
  margin-top: var(--space-xs);
  display: none;
}
.form-error.visible { display: block; }

textarea { resize: vertical; min-height: 120px; }

/* Select arrow */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238b7cf8' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.badge-primary  { background: hsla(260,70%,58%,0.18); color: var(--clr-primary-light); border: 1px solid hsla(260,70%,58%,0.3); }
.badge-accent   { background: hsla(38,95%,58%,0.18);  color: var(--clr-accent);        border: 1px solid hsla(38,95%,58%,0.3); }
.badge-success  { background: hsla(145,60%,45%,0.18); color: var(--clr-success);       border: 1px solid hsla(145,60%,45%,0.3); }
.badge-danger   { background: hsla(0,70%,55%,0.18);   color: var(--clr-danger);        border: 1px solid hsla(0,70%,55%,0.3); }
.badge-info     { background: hsla(200,75%,55%,0.18); color: var(--clr-info);          border: 1px solid hsla(200,75%,55%,0.3); }

/* ── Toggle Switch ── */
.toggle-switch {
  position: relative;
  width: 44px;
  height: 24px;
  display: inline-block;
}
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute;
  inset: 0;
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
}
.toggle-slider::before {
  content: '';
  position: absolute;
  width: 16px; height: 16px;
  left: 3px; top: 50%;
  transform: translateY(-50%);
  background: var(--text-muted);
  border-radius: 50%;
  transition: all var(--transition-base);
}
.toggle-switch input:checked + .toggle-slider {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translate(20px, -50%);
  background: white;
}

/* ── Cosmic Background ── */
.cosmic-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

.cosmic-bg::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  top: -200px; right: -200px;
  background: radial-gradient(circle, hsla(260,70%,60%,0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 12s ease-in-out infinite alternate;
}

.cosmic-bg::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  bottom: -100px; left: -150px;
  background: radial-gradient(circle, hsla(38,95%,58%,0.08) 0%, transparent 70%);
  border-radius: 50%;
  animation: float-orb 16s ease-in-out infinite alternate-reverse;
}

/* ── Stars ── */
#stars-canvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.6;
}
[data-theme="light"] #stars-canvas { opacity: 0.15; }

/* ── Dividers ── */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-color), transparent);
  margin: var(--space-lg) 0;
}

/* ── Toast Notifications ── */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 14px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  font-size: var(--font-size-sm);
  font-weight: 500;
  min-width: 280px;
  animation: slide-in-right 0.35s ease forwards;
}

.toast.success { border-left: 3px solid var(--clr-success); }
.toast.error   { border-left: 3px solid var(--clr-danger); }
.toast.info    { border-left: 3px solid var(--clr-info); }
.toast.exit    { animation: slide-out-right 0.3s ease forwards; }

/* ── Loading Spinner ── */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--border-color);
  border-top-color: var(--clr-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* ── Keyframes ── */
@keyframes float-orb {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(40px, -30px) scale(1.1); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes slide-in-right {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0);    opacity: 1; }
}

@keyframes slide-out-right {
  from { transform: translateX(0);    opacity: 1; }
  to   { transform: translateX(120%); opacity: 0; }
}

@keyframes fade-in-up {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px hsla(260, 70%, 58%, 0.2); }
  50%       { box-shadow: 0 0 40px hsla(260, 70%, 58%, 0.4); }
}

@keyframes twinkle {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.4; transform: scale(0.7); }
}

.animate-fade-up { animation: fade-in-up 0.5s ease forwards; }
.animate-fade-in { animation: fade-in 0.4s ease forwards; }
.animate-pulse-glow { animation: pulse-glow 3s ease-in-out infinite; }

/* ── Utility ── */
.hidden { display: none !important; }
.invisible { visibility: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.overflow-hidden { overflow: hidden; }
.cursor-pointer  { cursor: pointer; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.no-select { user-select: none; }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.p-md  { padding: var(--space-md); }
.p-lg  { padding: var(--space-lg); }

/* ── Responsive ── */
@media (max-width: 768px) {
  :root { --space-lg: 20px; --space-xl: 32px; }
  .container { padding-inline: var(--space-md); }
  .hide-mobile { display: none !important; }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

@media (max-width: 480px) {
  html { font-size: 15px; }
  .container { padding-inline: var(--space-sm); }
}