@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-light: #EFF6FF;
  --ui-bg: #F6F8FC;
  --ui-surface: #FFFFFF;
  --ui-surface-subtle: #F8FAFC;
  --ui-text: #0F172A;
  --ui-text-muted: #475569;
  --ui-border: #E4EAF2;
  --ui-ring: rgba(37, 99, 235, .22);
  --ui-radius-sm: 10px;
  --ui-radius-md: 14px;
  --ui-radius-lg: 18px;
  --ui-radius-xl: 24px;
  --ui-shadow-card: 0 1px 2px rgba(15, 23, 42, .025), 0 8px 24px rgba(15, 23, 42, .035);
  --ui-shadow-float: 0 18px 48px rgba(15, 23, 42, .12), 0 2px 8px rgba(15, 23, 42, .05);

  /* transitions.dev shared motion scale */
  --duration-stagger: 40ms;
  --duration-micro: 80ms;
  --duration-quick: 150ms;
  --duration-fast: 250ms;
  --duration-medium: 350ms;
  --duration-slow: 400ms;
  --ease-smooth-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: ease-in-out;
  --ease-linear: linear;
  --toast-open: 350ms;
  --toast-close: 250ms;
  --toast-distance: 16px;
  --toast-blur: 2px;
  --toast-scale: .97;
  --toast-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --icon-swap-dur: 250ms;
  --icon-swap-blur: 2px;
  --icon-swap-start-scale: 0.25;
  --icon-swap-ease: ease-in-out;
  --shake-distance: 6px;
  --shake-overshoot: 4px;
  --shake-dur-a: 80ms;
  --shake-dur-b: 60ms;
  --shake-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --revert-hold: 3000ms;
  --revert-dur: 280ms;
  --stagger-dur: 500ms;
  --stagger-distance: 12px;
  --stagger-stagger: 40ms;
  --stagger-blur: 3px;
  --stagger-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --learn-shift: 2px;
  --learn-spread: 8deg;
  --learn-in: 350ms;
  --learn-out: 350ms;
  --learn-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --panel-open-dur: 400ms;
  --panel-close-dur: 350ms;
  --panel-translate-y: 32px;
  --panel-blur: 2px;
  --panel-ease: cubic-bezier(0.22, 1, 0.36, 1);
}

body {
  font-family: var(--font-sans);
  background-color: #F8FAFC;
  color: #1E293B;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* transitions.dev — auth icon swap */
.t-icon-swap { position: relative; display: inline-grid; }
.t-icon-swap .t-icon {
  grid-area: 1 / 1;
  transition:
    opacity var(--icon-swap-dur) var(--icon-swap-ease),
    filter var(--icon-swap-dur) var(--icon-swap-ease),
    transform var(--icon-swap-dur) var(--icon-swap-ease);
  will-change: opacity, filter, transform;
}
.t-icon-swap[data-state="a"] .t-icon[data-icon="a"],
.t-icon-swap[data-state="b"] .t-icon[data-icon="b"] { opacity: 1; filter: blur(0); transform: scale(1); }
.t-icon-swap[data-state="a"] .t-icon[data-icon="b"],
.t-icon-swap[data-state="b"] .t-icon[data-icon="a"] { opacity: 0; filter: blur(var(--icon-swap-blur)); transform: scale(var(--icon-swap-start-scale)); }
.t-icon-swap[data-state="a"] .t-icon[data-icon="b"],
.t-icon-swap[data-state="b"] .t-icon[data-icon="a"] { display: none; }

/* transitions.dev — auth validation shake */
.t-input { transition: border-color 150ms ease-out; will-change: transform; }
.t-input.is-error { transition: border-color var(--revert-dur, 280ms) ease-out; }
.t-input.is-shaking { animation: t-input-shake calc(var(--shake-dur-a) * 2 + var(--shake-dur-b) * 2) linear; }
@keyframes t-input-shake {
  0% { transform: translateX(0); animation-timing-function: var(--shake-ease); }
  28.57% { transform: translateX(var(--shake-distance)); animation-timing-function: var(--shake-ease); }
  57.14% { transform: translateX(calc(var(--shake-distance) * -1)); animation-timing-function: var(--shake-ease); }
  78.57% { transform: translateX(var(--shake-overshoot)); animation-timing-function: var(--shake-ease); }
  100% { transform: translateX(0); }
}

/* transitions.dev — auth content reveal */
.t-stagger-line {
  display: block;
  opacity: 0;
  transform: translateY(var(--stagger-distance));
  filter: blur(var(--stagger-blur));
  transition:
    opacity var(--stagger-dur) var(--stagger-ease),
    transform var(--stagger-dur) var(--stagger-ease),
    filter var(--stagger-dur) var(--stagger-ease);
  will-change: transform, opacity, filter;
}
.t-stagger-line--2 { transition-delay: var(--stagger-stagger); }
.t-stagger-line--3 { transition-delay: calc(var(--stagger-stagger) * 2); }
.t-stagger.is-shown .t-stagger-line { opacity: 1; transform: translateY(0); filter: blur(0); }

/* transitions.dev — learn-more arrow */
.t-learn-chevron { display: inline-flex; transform: translateX(0); transition: transform var(--learn-out) var(--learn-ease); }
.t-learn-arm {
  transform-box: view-box;
  transform-origin: 10px 8px;
  vector-effect: non-scaling-stroke;
  transition: transform var(--learn-out) var(--learn-ease);
}
.t-learn:hover .t-learn-chevron { transform: translateX(var(--learn-shift)); transition-duration: var(--learn-in); }
.t-learn:hover .t-learn-arm { transition-duration: var(--learn-in); }
.t-learn:hover .t-learn-arm-top { transform: rotate(var(--learn-spread)); }
.t-learn:hover .t-learn-arm-bot { transform: rotate(calc(var(--learn-spread) * -1)); }

/* transitions.dev — product panel reveal */
.t-panel-slide {
  transform: translateY(var(--panel-translate-y));
  opacity: 0;
  filter: blur(var(--panel-blur));
  pointer-events: none;
  transition:
    transform var(--panel-close-dur) var(--panel-ease),
    opacity var(--panel-close-dur) var(--panel-ease),
    filter var(--panel-close-dur) var(--panel-ease);
  will-change: transform, opacity, filter;
}
.t-panel-slide[data-open="true"] {
  transform: translateY(0);
  opacity: 1;
  filter: blur(0);
  pointer-events: auto;
  transition:
    transform var(--panel-open-dur) var(--panel-ease),
    opacity var(--panel-open-dur) var(--panel-ease),
    filter var(--panel-open-dur) var(--panel-ease);
}

@media (prefers-reduced-motion: reduce) {
  .t-icon-swap .t-icon,
  .t-stagger-line,
  .t-learn-chevron,
  .t-learn-arm,
  .t-panel-slide { transition: none !important; }
  .t-input { animation: none !important; transform: none !important; }
}

/* Dashboard design system -------------------------------------------------- */
.dashboard-shell { background: var(--ui-bg) !important; }
.dashboard-header {
  background: rgba(255, 255, 255, .94) !important;
  border-color: var(--ui-border) !important;
  box-shadow: 0 1px 0 rgba(15, 23, 42, .02);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}
.dashboard-sidebar {
  border-color: var(--ui-border) !important;
  box-shadow: 1px 0 0 rgba(15, 23, 42, .015);
}
.dashboard-sidebar nav a {
  min-height: 42px;
  border: 1px solid transparent;
  transition: color var(--duration-quick) ease,
              background-color var(--duration-quick) ease,
              border-color var(--duration-quick) ease;
}
.dashboard-sidebar nav a.bg-blue-50 {
  border-color: #DBEAFE;
  background: #EFF6FF !important;
  box-shadow: inset 3px 0 0 #2563EB;
}
.dashboard-sidebar nav a:hover { background: #F8FAFC; }
.dashboard-sidebar nav svg { stroke-width: 1.8; }
.dashboard-workspace {
  color: var(--ui-text);
  background: var(--ui-bg);
}
.dashboard-workspace > .flex-1,
.dashboard-workspace > [class*="overflow-y-auto"] {
  min-width: 0;
}
.dashboard-workspace main,
.dashboard-workspace > [class*="overflow-y-auto"] {
  scrollbar-gutter: stable;
}
.dashboard-workspace h1,
.dashboard-workspace h2,
.dashboard-workspace h3 {
  color: var(--ui-text);
  letter-spacing: -.018em;
}
.dashboard-workspace h1 { font-weight: 750; }
.dashboard-workspace h2,
.dashboard-workspace h3 { font-weight: 700; }

/* A consistent surface language across every dashboard route. */
.dashboard-workspace .bg-white.rounded-2xl,
.dashboard-workspace .bg-white.rounded-3xl,
.dashboard-workspace .bg-white.rounded-\[28px\],
.dashboard-workspace .bg-white.rounded-\[32px\] {
  border-color: var(--ui-border) !important;
  box-shadow: var(--ui-shadow-card);
}
.dashboard-workspace .shadow-xl,
.dashboard-workspace .shadow-soft,
.dashboard-workspace .shadow-card {
  box-shadow: var(--ui-shadow-card) !important;
}
.dashboard-workspace input:not([type="checkbox"]):not([type="radio"]),
.dashboard-workspace select,
.dashboard-workspace textarea {
  min-height: 42px;
  border-color: #DCE3EC;
  color: #1E293B;
  background-color: #FFFFFF;
}
.dashboard-workspace input::placeholder,
.dashboard-workspace textarea::placeholder { color: #94A3B8; }
.dashboard-workspace :is(input, select, textarea, button, a):focus-visible {
  outline: 2px solid #2563EB !important;
  outline-offset: 2px !important;
  box-shadow: 0 0 0 4px var(--ui-ring);
}
.dashboard-workspace button:disabled,
.dashboard-workspace [aria-disabled="true"] {
  opacity: .48;
  cursor: not-allowed !important;
}
.dashboard-workspace table { font-variant-numeric: tabular-nums; }
.dashboard-workspace thead { background: #F8FAFC; }
.dashboard-workspace tbody tr { transition: background-color var(--duration-quick) ease; }
.dashboard-workspace .text-slate-400 { color: #64748B !important; }
.dashboard-workspace .text-slate-500 { color: #475569 !important; }
.dashboard-workspace :is(button, a, [role="button"]) { touch-action: manipulation; }
.dashboard-workspace :is(button, a)[class*="p-1.5"] { min-width: 32px; min-height: 32px; }
.dashboard-workspace :is(button, a)[class*="p-2"] { min-width: 36px; min-height: 36px; }

/* Stable, restrained interaction feedback. */
.dashboard-workspace .ui-motion-card,
.dashboard-workspace .drive-item,
.dashboard-workspace .dashboard-folder-card {
  transition: border-color var(--duration-fast) var(--ease-smooth-out),
              box-shadow var(--duration-fast) var(--ease-smooth-out),
              transform var(--duration-fast) var(--ease-smooth-out);
}
@media (hover: hover) and (pointer: fine) {
  .dashboard-workspace .ui-motion-card:hover,
  .dashboard-workspace .drive-item:hover,
  .dashboard-workspace .dashboard-folder-card:hover {
    transform: translateY(-2px);
    border-color: #BFDBFE !important;
    box-shadow: 0 12px 28px -18px rgba(37, 99, 235, .34) !important;
  }
}

/* transitions.dev — toast open / close */
.t-toast {
  opacity: 0;
  transform: translateY(var(--toast-distance)) scale(var(--toast-scale));
  filter: blur(var(--toast-blur));
  will-change: transform, opacity, filter;
  transition:
    opacity var(--toast-close) var(--toast-ease),
    transform var(--toast-close) var(--toast-ease),
    filter var(--toast-close) var(--toast-ease);
}
.t-toast.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  filter: blur(0);
  transition:
    opacity var(--toast-open) var(--toast-ease),
    transform var(--toast-open) var(--toast-ease),
    filter var(--toast-open) var(--toast-ease);
}

@media (max-width: 767px) {
  .dashboard-workspace main,
  .dashboard-workspace > [class*="overflow-y-auto"] { padding: 1rem !important; }
  .dashboard-workspace h1 { font-size: 1.375rem !important; }
  .dashboard-workspace .rounded-3xl { border-radius: var(--ui-radius-lg) !important; }
}

@media (prefers-reduced-motion: reduce) {
  .t-toast { transition: none !important; }
  .dashboard-workspace .ui-motion-card,
  .dashboard-workspace .drive-item,
  .dashboard-workspace .dashboard-folder-card { transform: none !important; }
}

/* Custom modern scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}