/* ===========================================================
   SmartReco — Shared Stylesheet
   One file, used by every page.
   =========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Lora:wght@500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root{
  /* Brand */
  --indigo-600: #4F46E5;
  --violet-600: #7C3AED;
  --brand-gradient: linear-gradient(135deg, var(--indigo-600), var(--violet-600));

  /* Neutrals */
  --ink-900: #1E1B3C;
  --ink-700: #3F3B63;
  --ink-500: #6B6890;
  --ink-300: #A6A3C4;
  --line: #E4E1F5;
  --bg-app: #F3F1FC;
  --bg-lavender: #EEEBFB;
  --white: #FFFFFF;

  /* State */
  --success: #16A34A;
  --success-bg: #EAFBF1;
  --warn: #B45309;
  --warn-bg: #FEF6E7;
  --danger: #DC2626;

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(30, 27, 60, 0.06);
  --shadow-md: 0 8px 24px rgba(63, 44, 140, 0.10);
  --shadow-lg: 0 20px 48px rgba(63, 44, 140, 0.16);

  /* Radius */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --r-pill: 999px;

  /* Type */
  --font-display: 'Lora', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html{ scroll-behavior: smooth; }

body{
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--bg-app);
  -webkit-font-smoothing: antialiased;
}

a{ color: inherit; text-decoration: none; }
ul{ list-style: none; margin: 0; padding: 0; }
button{ font-family: inherit; }

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

:focus-visible{
  outline: 2px solid var(--indigo-600);
  outline-offset: 2px;
}

/* ===========================================================
   Utility
   =========================================================== */
.sr-brand-mark{
  width: 44px; height: 44px;
  border-radius: var(--r-md);
  background: var(--bg-lavender);
  display: flex; align-items: center; justify-content: center;
  color: var(--indigo-600);
}

.sr-eyebrow{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--ink-700);
}

.sr-btn{
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 13px 22px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.sr-btn:active{ transform: translateY(1px); }

.sr-btn-primary{
  background: var(--brand-gradient);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}
.sr-btn-primary:hover{ box-shadow: var(--shadow-md); }
.sr-btn-primary:disabled{ opacity: .5; cursor: not-allowed; box-shadow: none; }

.sr-btn-secondary{
  background: var(--white);
  color: var(--ink-900);
  border-color: var(--line);
}
.sr-btn-secondary:hover{ border-color: var(--indigo-600); color: var(--indigo-600); }

.sr-btn-ghost{
  background: transparent;
  color: var(--indigo-600);
  padding: 8px 10px;
}
.sr-btn-ghost:hover{ background: var(--bg-lavender); }

.sr-btn-sm{ padding: 9px 14px; font-size: .85rem; }
.sr-btn-block{ width: 100%; }

.sr-pill{
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  font-size: .75rem;
  font-weight: 600;
  background: var(--bg-lavender);
  color: var(--indigo-600);
}
.sr-pill-success{ background: var(--success-bg); color: var(--success); }
.sr-pill-warn{ background: var(--warn-bg); color: var(--warn); }

.sr-card{
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
}

/* ===========================================================
   Auth layout (login / signup)
   =========================================================== */
.sr-auth-screen{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(600px 400px at 12% 8%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(600px 500px at 90% 90%, rgba(79,70,229,.12), transparent 60%),
    var(--bg-app);
}

.sr-auth-card{
  width: 100%;
  max-width: 440px;
  background: var(--white);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 44px 40px 36px;
}

.sr-auth-mark{
  width: 60px; height: 60px;
  margin: 0 auto 22px;
  border-radius: 16px;
  background: var(--bg-lavender);
  display: flex; align-items: center; justify-content: center;
  color: var(--violet-600);
}

.sr-auth-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  text-align: center;
  margin: 0 0 8px;
  color: var(--ink-900);
}

.sr-auth-subtitle{
  font-family: var(--font-display);
  font-weight: 600;
  text-align: center;
  color: var(--ink-700);
  margin: 0 0 30px;
  font-size: 1.02rem;
}

.sr-field{ margin-bottom: 18px; }

.sr-field-row{
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 8px;
}

.sr-label{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .92rem;
  color: var(--ink-900);
}

.sr-link{
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .85rem;
  color: var(--indigo-600);
}
.sr-link:hover{ text-decoration: underline; }

.sr-input-wrap{
  position: relative;
  display: flex;
  align-items: center;
}

.sr-input-icon{
  position: absolute;
  left: 14px;
  color: var(--ink-500);
  display: flex;
}

.sr-input{
  width: 100%;
  padding: 13px 44px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: .95rem;
  font-family: var(--font-body);
  color: var(--ink-900);
  background: var(--white);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.sr-input:focus{
  border-color: var(--indigo-600);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
  outline: none;
}
.sr-input::placeholder{ color: var(--ink-300); }

.sr-input-toggle{
  position: absolute;
  right: 14px;
  background: none;
  border: none;
  color: var(--ink-500);
  cursor: pointer;
  display: flex;
  padding: 4px;
}
.sr-input-toggle:hover{ color: var(--ink-900); }

.sr-checkbox-row{
  display: flex; align-items: center; gap: 10px;
  margin: 4px 0 22px;
}
.sr-checkbox{
  width: 20px; height: 20px;
  border: 2px solid var(--indigo-600);
  border-radius: 6px;
  appearance: none;
  cursor: pointer;
  position: relative;
  flex: none;
}
.sr-checkbox:checked{ background: var(--brand-gradient); border-color: transparent; }
.sr-checkbox:checked::after{
  content: "";
  position: absolute;
  left: 6px; top: 2px;
  width: 5px; height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.sr-checkbox-row label{
  font-weight: 600;
  font-size: .92rem;
  color: var(--ink-900);
  cursor: pointer;
}

.sr-auth-foot{
  text-align: center;
  margin-top: 18px;
  font-size: .88rem;
  color: var(--ink-500);
}

/* ===========================================================
   Sliding Auth Panel (Sign In / Sign Up)
   =========================================================== */
.sr-slide-screen{
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
  background:
    radial-gradient(600px 400px at 12% 8%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(600px 500px at 90% 90%, rgba(79,70,229,.12), transparent 60%),
    var(--bg-app);
}

.sr-slide-container{
  position: relative;
  width: 100%;
  max-width: 780px;
  min-height: 480px;
  background: var(--white);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.sr-slide-form{
  position: absolute;
  top: 0;
  height: 100%;
  width: 50%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 48px;
  transition: all 0.6s ease-in-out;
}

.sr-slide-signin{ left: 0; z-index: 2; }

.sr-slide-signup{
  left: 0;
  opacity: 0;
  z-index: 1;
}

.sr-slide-container.is-active .sr-slide-signin{
  transform: translateX(100%);
  opacity: 0;
}
.sr-slide-container.is-active .sr-slide-signup{
  transform: translateX(100%);
  opacity: 1;
  z-index: 5;
  animation: sr-show 0.6s;
}

@keyframes sr-show{
  0%, 49.9%{ opacity: 0; z-index: 1; }
  50%, 100%{ opacity: 1; z-index: 5; }
}

.sr-slide-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  margin: 0 0 18px;
  color: var(--ink-900);
}

.sr-social-row{ display: flex; gap: 10px; margin-bottom: 16px; }
.sr-social-btn{
  width: 40px; height: 40px;
  border-radius: 50%;
  border: 1px solid var(--line);
  background: var(--white);
  display: flex; align-items: center; justify-content: center;
  color: var(--ink-700);
  cursor: pointer;
}
.sr-social-btn:hover{ border-color: var(--indigo-600); color: var(--indigo-600); }

.sr-slide-hint{
  font-size: .78rem;
  color: var(--ink-500);
  font-weight: 600;
  margin: 0 0 18px;
}

.sr-slide-label{
  display: block;
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 8px;
  line-height: 1.35;
  transition: color 0.18s ease;
  user-select: none;
}

.sr-slide-label:has(+ input:focus),
.sr-slide-label:has(+ .sr-input-wrap:focus-within){
  color: var(--indigo-600);
}

.sr-slide-input{
  width: 100%;
  padding: 12px 14px;
  margin-bottom: 12px;
  border: none;
  border-radius: var(--r-sm);
  background: var(--bg-app);
  font-size: .9rem;
  color: var(--ink-900);
}
.sr-slide-input:focus{
  outline: none;
  box-shadow: 0 0 0 3px rgba(79,70,229,.16);
  background: var(--white);
  border: 1px solid var(--indigo-600);
}
.sr-slide-input::placeholder{ color: var(--ink-300); }

.sr-slide-forgot{
  font-size: .82rem;
  color: var(--ink-500);
  margin: 4px 0 18px;
}
.sr-slide-forgot:hover{ color: var(--indigo-600); }

.sr-slide-submit{
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 40px;
  border-radius: var(--r-pill);
  border: none;
  background: var(--brand-gradient);
  color: var(--white);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  align-self: flex-start;
  transition: box-shadow .15s ease, transform .15s ease;
}
.sr-slide-submit:hover{ box-shadow: var(--shadow-md); }
.sr-slide-submit:active{ transform: translateY(1px); }

/* Overlay */
.sr-slide-overlay-container{
  position: absolute;
  top: 0; left: 50%;
  width: 50%;
  height: 100%;
  overflow: hidden;
  transition: transform 0.6s ease-in-out;
  z-index: 10;
}
.sr-slide-container.is-active .sr-slide-overlay-container{
  transform: translateX(-100%);
}

.sr-slide-overlay{
  background: var(--brand-gradient);
  color: var(--white);
  position: relative;
  left: -100%;
  height: 100%;
  width: 200%;
  transform: translateX(0);
  transition: transform 0.6s ease-in-out;
}
.sr-slide-container.is-active .sr-slide-overlay{
  transform: translateX(50%);
}

.sr-slide-overlay-panel{
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0 42px;
  transition: transform 0.6s ease-in-out;
}

.sr-slide-overlay-left{
  transform: translateX(-20%);
}
.sr-slide-container.is-active .sr-slide-overlay-left{
  transform: translateX(0);
}

.sr-slide-overlay-right{
  right: 0;
  transform: translateX(0);
}
.sr-slide-container.is-active .sr-slide-overlay-right{
  transform: translateX(20%);
}

.sr-slide-overlay-mark{
  width: 52px; height: 52px;
  border-radius: 14px;
  background: rgba(255,255,255,.16);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 18px;
}

.sr-slide-overlay-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  margin: 0 0 12px;
}

.sr-slide-overlay-text{
  font-size: .88rem;
  line-height: 1.6;
  opacity: .92;
  margin: 0 0 26px;
}

.sr-slide-ghost{
  display: inline-flex; align-items: center; justify-content: center;
  padding: 11px 36px;
  border-radius: var(--r-pill);
  border: 1.5px solid rgba(255,255,255,.8);
  background: transparent;
  color: var(--white);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background .15s ease;
}
.sr-slide-ghost:hover{ background: rgba(255,255,255,.14); }

@media (max-width: 720px){
  .sr-slide-container{ min-height: 640px; }
  .sr-slide-form{
    position: relative;
    width: 100%;
    padding: 60px 28px 40px;
    height: auto;
  }
  .sr-slide-signup{ display: none; }
  .sr-slide-container.is-active .sr-slide-signin{ display: none; }
  .sr-slide-container.is-active .sr-slide-signup{
    display: flex;
    position: relative;
    transform: none;
    opacity: 1;
  }
  .sr-slide-overlay-container{ display: none; }
  .sr-slide-mobile-switch{
    display: block;
    text-align: center;
    font-size: .85rem;
    color: var(--ink-500);
    padding: 0 28px 28px;
  }
  .sr-slide-mobile-switch a{ color: var(--indigo-600); font-weight: 700; }
}
@media (min-width: 721px){
  .sr-slide-mobile-switch{ display: none; }
}

/* ===========================================================
   Onboarding
   =========================================================== */
.sr-onboard-screen{
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 40px 20px;
  background: var(--bg-app);
}

.sr-onboard-card{
  width: 100%;
  max-width: 760px;
  background: var(--white);
  border-radius: 22px;
  box-shadow: var(--shadow-lg);
  padding: 40px 44px 30px;
}

.sr-onboard-head{
  text-align: center;
  margin-bottom: 26px;
}

.sr-onboard-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  margin: 0 0 8px;
}

.sr-onboard-sub{
  color: var(--indigo-600);
  font-weight: 600;
  font-size: .92rem;
  margin: 0;
}

.sr-topic-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 30px;
}

.sr-topic{
  border: 1.5px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px 10px;
  text-align: center;
  cursor: pointer;
  background: var(--white);
  transition: border-color .15s ease, background .15s ease, transform .1s ease;
}
.sr-topic:hover{ border-color: var(--indigo-600); transform: translateY(-1px); }
.sr-topic.is-selected{
  border-color: var(--indigo-600);
  background: var(--bg-lavender);
}
.sr-topic-icon{
  width: 30px; height: 30px;
  margin: 0 auto 10px;
  color: var(--indigo-600);
  display: flex; align-items: center; justify-content: center;
}
.sr-topic-label{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: .82rem;
  color: var(--ink-900);
}

.sr-onboard-footer{
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.sr-progress-label{
  font-size: .78rem;
  color: var(--ink-500);
  font-weight: 600;
}

.sr-progress-track{
  flex: 1;
  height: 6px;
  border-radius: var(--r-pill);
  background: var(--line);
  margin: 0 18px;
  overflow: hidden;
}
.sr-progress-fill{
  height: 100%;
  background: var(--brand-gradient);
  border-radius: var(--r-pill);
}

/* ===========================================================
   App shell (dashboard, catalog, insights, admin)
   =========================================================== */
.sr-app{
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}

.sr-sidebar{
  background: var(--white);
  border-right: 1px solid var(--line);
  padding: 22px 16px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sr-sidebar-brand{
  display: flex; align-items: center; gap: 12px;
  padding: 4px 8px 22px;
}
.sr-sidebar-brand-text b{
  font-family: var(--font-display);
  display: block;
  font-size: 1.02rem;
  color: var(--ink-900);
}
.sr-sidebar-brand-text span{
  font-size: .72rem;
  color: var(--ink-500);
  font-weight: 600;
}

.sr-nav{ display: flex; flex-direction: column; gap: 2px; flex: 1; }
.sr-nav-item{
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px;
  border-radius: var(--r-sm);
  color: var(--ink-700);
  font-weight: 600;
  font-size: .9rem;
  cursor: pointer;
}
.sr-nav-item svg{ flex: none; }
.sr-nav-item:hover{ background: var(--bg-lavender); color: var(--indigo-600); }
.sr-nav-item.is-active{
  background: var(--bg-lavender);
  color: var(--indigo-600);
}

.sr-sidebar-foot{
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.sr-topbar{
  display: flex; align-items: center; gap: 16px;
  padding: 18px 32px;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 5;
}

.sr-search{
  flex: 1;
  max-width: 420px;
  position: relative;
  display: flex;
  align-items: center;
}
.sr-search svg{ position: absolute; left: 12px; color: var(--ink-500); }
.sr-search input{
  width: 100%;
  padding: 10px 12px 10px 38px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--bg-app);
  font-size: .88rem;
}
.sr-search input:focus{ outline: none; border-color: var(--indigo-600); background: var(--white); }

.sr-catalog-search{
  max-width: 520px;
  margin: 0 0 20px;
}

.sr-search-history-panel{
  margin-bottom: 16px;
  padding: 16px 18px;
}

.sr-search-history-title{
  font-family: var(--font-display);
  font-size: .95rem;
  margin: 0 0 4px;
}

.sr-search-history-sub{
  font-size: .78rem;
  color: var(--ink-500);
  margin: 0 0 12px;
}

.sr-search-history-scroll{
  max-height: 320px;
  overflow-y: auto;
  padding-right: 4px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sr-search-history-item{
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.sr-search-history-item:last-child{
  border-bottom: none;
  padding-bottom: 0;
}

.sr-search-history-note{
  font-size: .76rem;
  color: var(--ink-500);
  margin: 0 0 6px;
}

.sr-search-history-line{
  font-size: .82rem;
  color: var(--ink-500);
  margin: 0 0 4px;
  line-height: 1.4;
}

.sr-search-history-query{
  color: #fff;
  font-weight: 600;
}

.sr-search-history-course{
  display: inline-block;
  font-size: .86rem;
  font-weight: 600;
  color: var(--indigo-400);
  text-decoration: none;
  margin-right: 4px;
}

.sr-search-history-course:hover{
  text-decoration: underline;
}

.sr-search-history-meta{
  font-size: .74rem;
  color: var(--ink-500);
}

.sr-topbar-actions{
  margin-left: auto;
  display: flex; align-items: center; gap: 16px;
}

.sr-icon-btn{
  background: none; border: none; cursor: pointer;
  color: var(--ink-700);
  position: relative;
  display: flex;
}
.sr-icon-btn .dot{
  position: absolute; top: -2px; right: -2px;
  width: 8px; height: 8px;
  background: #EF4444;
  border-radius: 50%;
  border: 2px solid var(--white);
}

.sr-avatar{
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--brand-gradient);
  color: var(--white);
  font-weight: 700;
  font-size: .8rem;
  display: flex; align-items: center; justify-content: center;
}

.sr-main{ padding: 30px 32px 60px; }

.sr-page-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.7rem;
  margin: 0 0 4px;
}
.sr-page-subtitle{ color: var(--ink-500); margin: 0 0 26px; font-size: .95rem; }

/* ===========================================================
   Dashboard
   =========================================================== */
.sr-dash-grid{
  display: grid;
  grid-template-columns: 2.2fr 1fr;
  gap: 22px;
  align-items: start;
}

.sr-insight-card{
  padding: 24px;
  margin-bottom: 24px;
}
.sr-insight-head{
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.sr-insight-tag{
  display: inline-flex; align-items: center; gap: 6px;
  font-size: .74rem;
  font-weight: 700;
  color: var(--violet-600);
  letter-spacing: .03em;
}
.sr-match-badge{
  font-size: .74rem;
  font-weight: 700;
  color: var(--indigo-600);
  background: var(--bg-lavender);
  padding: 4px 10px;
  border-radius: var(--r-pill);
}
.sr-insight-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  margin: 0 0 8px;
}
.sr-insight-text{
  color: var(--ink-500);
  font-size: .9rem;
  line-height: 1.6;
  margin: 0 0 16px;
}
.sr-tag-row{ display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.sr-tag{
  font-size: .78rem;
  font-weight: 600;
  color: var(--indigo-600);
  background: var(--bg-lavender);
  padding: 5px 12px;
  border-radius: var(--r-pill);
}
.sr-insight-actions{ display: flex; gap: 12px; }

.sr-section-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.15rem;
  margin: 0 0 14px;
}

.sr-focus-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.sr-focus-card{ padding: 18px; }
.sr-focus-card-head{
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 4px;
}
.sr-focus-title{ font-weight: 700; font-size: .96rem; }
.sr-focus-module{ color: var(--ink-500); font-size: .82rem; margin: 0 0 14px; }

.sr-progress-mini-label{
  display: flex; justify-content: space-between;
  font-size: .78rem; color: var(--ink-500); margin-bottom: 6px;
}
.sr-progress-mini-track{
  height: 7px; border-radius: var(--r-pill);
  background: var(--bg-lavender);
  overflow: hidden;
  margin-bottom: 14px;
}
.sr-progress-mini-fill{
  height: 100%;
  background: var(--brand-gradient);
  border-radius: var(--r-pill);
}

.sr-side-card{ padding: 20px; margin-bottom: 20px; }
.sr-side-card h3{
  font-family: var(--font-display);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--ink-500);
  margin: 0 0 14px;
  text-transform: uppercase;
}
.sr-quick-action{
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 6px;
  border-radius: var(--r-sm);
  cursor: pointer;
  font-weight: 600;
  font-size: .88rem;
}
.sr-quick-action:hover{ background: var(--bg-lavender); color: var(--indigo-600); }

.sr-activity-row{
  height: 12px;
  border-radius: var(--r-pill);
  background: var(--bg-lavender);
  margin-bottom: 10px;
}
.sr-activity-row:nth-child(2){ width: 80%; }
.sr-activity-row:nth-child(3){ width: 60%; }

/* ===========================================================
   Course catalog + course cards
   =========================================================== */
.sr-filter-bar{
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.sr-filter-pill{
  padding: 8px 16px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--white);
  font-size: .84rem;
  font-weight: 600;
  color: var(--ink-700);
  cursor: pointer;
}
.sr-filter-pill.is-active{
  background: var(--brand-gradient);
  color: var(--white);
  border-color: transparent;
}
.sr-filter-select{
  margin-left: auto;
  padding: 8px 14px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line);
  background: var(--white);
  font-size: .84rem;
  font-weight: 600;
  color: var(--ink-700);
}

.sr-course-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.sr-course-card{
  padding: 18px;
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.sr-course-card-top{ display: flex; align-items: center; justify-content: space-between; }
.sr-course-badges{ display: flex; gap: 6px; }
.sr-badge{
  font-size: .68rem;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  background: var(--bg-lavender);
  color: var(--indigo-600);
}
.sr-badge-dark{ background: var(--ink-900); color: var(--white); }
.sr-badge-ai{ background: var(--warn-bg); color: var(--warn); }

.sr-fav-btn{
  background: none; border: none; cursor: pointer;
  color: var(--ink-300);
  display: flex;
}
.sr-fav-btn:hover, .sr-fav-btn.is-active{ color: #EF4444; }

.sr-course-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  margin: 0;
}
.sr-course-instructor{
  font-size: .82rem;
  color: var(--ink-500);
}
.sr-course-rating{
  font-size: .8rem;
  color: var(--ink-700);
  font-weight: 600;
  display: flex; align-items: center; gap: 4px;
}
.sr-course-rating svg{ color: #F59E0B; }

.sr-chip-row{ display: flex; flex-wrap: wrap; gap: 6px; }
.sr-chip{
  font-size: .72rem;
  font-weight: 600;
  color: var(--ink-700);
  background: var(--bg-app);
  border: 1px solid var(--line);
  padding: 3px 9px;
  border-radius: var(--r-sm);
}

.sr-course-card-foot{
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.sr-price{ font-weight: 700; font-family: var(--font-display); font-size: 1rem; }
.sr-price-free{ color: var(--success); }

/* ===========================================================
   Course details
   =========================================================== */
.sr-details-grid{
  display: grid;
  grid-template-columns: 2.1fr 1fr;
  gap: 26px;
  align-items: start;
}

.sr-details-meta{
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}

.sr-details-title{
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 700;
  margin: 0 0 14px;
  line-height: 1.2;
}

.sr-instructor-row{
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 16px;
  font-size: .88rem;
}
.sr-instructor-avatar{
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--brand-gradient);
}
.sr-rating-inline{ color: var(--ink-500); }
.sr-rating-inline strong{ color: var(--ink-900); }

.sr-details-body h3{
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin: 26px 0 10px;
}
.sr-details-body p{
  color: var(--ink-700);
  line-height: 1.7;
  font-size: .93rem;
}

.sr-learn-box{
  background: var(--bg-app);
  border-radius: var(--r-md);
  padding: 20px;
  margin-top: 10px;
}
.sr-learn-grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 22px;
  margin: 0;
}
.sr-learn-grid li{
  display: flex; gap: 10px;
  font-size: .88rem;
  color: var(--ink-700);
  line-height: 1.5;
}
.sr-learn-grid svg{ flex: none; color: var(--success); margin-top: 2px; }

.sr-buy-card{
  padding: 22px;
  position: sticky;
  top: 90px;
}
.sr-price-row{ display: flex; align-items: baseline; gap: 10px; margin-bottom: 16px; }
.sr-price-now{ font-family: var(--font-display); font-size: 1.6rem; font-weight: 700; }
.sr-price-was{ color: var(--ink-300); text-decoration: line-through; font-size: .95rem; }

.sr-meta-list{ margin: 18px 0 0; display: flex; flex-direction: column; gap: 10px; }
.sr-meta-list li{
  display: flex; align-items: center; gap: 10px;
  font-size: .85rem; color: var(--ink-700);
}
.sr-meta-list svg{ color: var(--indigo-600); flex: none; }

.sr-related-card{ padding: 18px; margin-top: 20px; }
.sr-related-item{
  display: flex; gap: 12px; align-items: center;
  padding: 8px 0;
}
.sr-related-thumb{
  width: 44px; height: 44px; border-radius: var(--r-sm);
  background: var(--bg-lavender);
  flex: none;
}
.sr-related-item strong{ font-size: .85rem; display: block; }
.sr-related-item span{ font-size: .76rem; color: var(--ink-500); }

/* ===========================================================
   AI Insights
   =========================================================== */
.sr-insights-grid{
  display: grid;
  grid-template-columns: 2.1fr 1fr;
  gap: 22px;
  align-items: start;
}

.sr-ai-toggle{
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 600; color: var(--ink-500);
  margin-left: auto;
}
.sr-switch{
  width: 38px; height: 21px; border-radius: var(--r-pill);
  background: var(--success);
  position: relative;
  cursor: pointer;
  border: none;
}
.sr-switch::after{
  content: ""; position: absolute; top: 2px; right: 2px;
  width: 17px; height: 17px; border-radius: 50%; background: var(--white);
}

.sr-why-card{ padding: 24px; }
.sr-why-list{ margin: 14px 0 0; display: flex; flex-direction: column; gap: 12px; }
.sr-why-item{
  display: flex; gap: 12px;
  background: var(--bg-app);
  border-radius: var(--r-md);
  padding: 14px 16px;
}
.sr-why-item svg{ flex: none; color: var(--success); margin-top: 2px; }
.sr-why-item strong{ display: block; font-size: .88rem; margin-bottom: 3px; }
.sr-why-item span{ font-size: .82rem; color: var(--ink-500); }

.sr-tracked-tags{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }

.sr-engine-card{ padding: 20px; margin-bottom: 20px; }
.sr-engine-row{
  display: flex; align-items: center; justify-content: space-between;
  font-size: .85rem;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
}
.sr-engine-row:last-child{ border-bottom: none; }
.sr-status-dot{
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--success);
  display: inline-block;
  margin-right: 6px;
}

.sr-explore-card{
  padding: 24px;
  text-align: center;
}
.sr-explore-icon{
  width: 48px; height: 48px; margin: 0 auto 12px;
  color: var(--indigo-600);
}

.sr-picks-row{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 16px;
}
.sr-pick-card{ overflow: hidden; }
.sr-pick-thumb{
  height: 90px;
  background: var(--brand-gradient);
  opacity: .85;
}
.sr-pick-body{ padding: 14px; }
.sr-pick-title{ font-weight: 700; font-size: .9rem; margin: 6px 0 10px; }
.sr-pick-foot{ display: flex; align-items: center; justify-content: space-between; font-size: .78rem; color: var(--ink-500); }
.sr-pick-foot a{ color: var(--indigo-600); font-weight: 700; }

/* ===========================================================
   Admin panel / Instructor Panel
   =========================================================== */
.sr-admin-head{
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}

.sr-admin-head-cta{ flex-shrink: 0; }

.sr-admin-section-title{ margin: 0 0 4px; }
.sr-admin-section-sub{
  font-size: .84rem;
  color: var(--ink-500);
  margin: 0;
  font-weight: 500;
  line-height: 1.5;
}

.sr-admin-stat-grid{ margin-bottom: 28px; }

.sr-stat-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-bottom: 24px;
}
.sr-stat-card{ padding: 20px; }
.sr-stat-label{
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin-bottom: 10px;
}
.sr-stat-value{
  font-family: var(--font-display);
  font-size: 1.65rem;
  font-weight: 700;
  margin-bottom: 0;
  color: var(--ink-900);
  line-height: 1.1;
}
.sr-sparkline{ height: 26px; }

.sr-admin-grid{
  display: grid;
  grid-template-columns: minmax(0, 2.3fr) minmax(220px, 1fr);
  gap: 22px;
  align-items: start;
  margin-bottom: 28px;
}

.sr-admin-side-stack{ display: flex; flex-direction: column; gap: 18px; }

.sr-table-card{ padding: 24px; }
.sr-table-head{
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}
.sr-table-search{
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  padding: 9px 14px;
  font-size: .84rem;
  color: var(--ink-500);
  background: var(--bg-app);
  flex-shrink: 0;
}
.sr-table-search input{
  border: none;
  outline: none;
  font-size: .84rem;
  width: 180px;
  background: transparent;
  color: var(--ink-900);
}

.sr-table-toolbar{
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.sr-table-filter{
  margin-left: 0;
  min-width: 160px;
}

.sr-admin-table-wrap{
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.sr-admin-table{ width: 100%; border-collapse: collapse; }
.sr-admin-table thead th{
  text-align: left;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 700;
  color: var(--ink-500);
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--bg-app);
}
.sr-admin-table tbody td{
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
  color: var(--ink-700);
  vertical-align: middle;
}
.sr-admin-table tbody tr:last-child td{ border-bottom: none; }
.sr-admin-table tbody tr:hover{ background: var(--bg-lavender); }
.sr-admin-table-title strong{ color: var(--ink-900); font-weight: 600; }

table{ width: 100%; border-collapse: collapse; }
thead th{
  text-align: left;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .03em;
  color: var(--ink-500);
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
}
tbody td{
  padding: 14px 8px;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
}
tbody tr:last-child td{ border-bottom: none; }
.sr-row-actions{ display: flex; gap: 10px; }
.sr-row-actions button{
  background: none; border: none; cursor: pointer; color: var(--ink-500);
  padding: 4px;
  border-radius: var(--r-sm);
  transition: color .15s ease, background .15s ease;
}
.sr-row-actions button:hover{
  color: var(--indigo-600);
  background: var(--bg-lavender);
}

.sr-table-foot{
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px;
  font-size: .82rem;
  color: var(--ink-500);
  font-weight: 500;
}

.sr-table-empty-row td{
  padding: 28px 16px;
  text-align: center;
  border-bottom: none;
}
.sr-table-empty-row:hover{ background: transparent !important; }
.sr-table-empty{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
}
.sr-table-empty-msg{
  font-size: .88rem;
  color: var(--ink-500);
  margin: 0;
  font-weight: 500;
}

.sr-admin-card-label{
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--ink-500);
  margin: 0 0 12px;
}

.sr-health-value{
  font-weight: 700;
  color: var(--ink-900);
  font-size: .84rem;
}
.sr-health-ok{ color: var(--success); }
.sr-health-error{ color: var(--danger); }
.sr-health-detail{
  font-size: .78rem;
  color: var(--ink-500);
  margin: 10px 0 0;
  line-height: 1.5;
}

.sr-l5-panel{
  padding: 26px;
  margin-top: 0;
}
.sr-l5-head{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}
.sr-l5-stat-grid{
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 22px;
}
.sr-l5-stat-card{ padding: 16px; }
.sr-l5-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.sr-l5-analytics-card{
  background: var(--bg-app);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 18px;
}
.sr-l5-card-title{
  font-family: var(--font-display);
  font-size: .95rem;
  font-weight: 700;
  color: var(--ink-900);
  margin: 0 0 12px;
}
.sr-l5-list{
  list-style: none;
  padding: 0;
  margin: 0;
}
.sr-l5-list-item{
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  font-size: .85rem;
  color: var(--ink-700);
}
.sr-l5-list-item:last-child{ border-bottom: none; }
.sr-l5-list-meta{ color: var(--ink-500); font-weight: 500; }
.sr-l5-list-empty{
  font-size: .85rem;
  color: var(--ink-500);
  padding: 6px 0;
}
.sr-l5-chip{ font-size: .75rem; flex-shrink: 0; }

.sr-pager{ display: flex; gap: 6px; align-items: center; }
.sr-pager button{
  width: 28px; height: 28px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--white);
  cursor: pointer;
}
.sr-pager button.is-active{
  background: var(--brand-gradient);
  color: var(--white);
  border-color: transparent;
}

.sr-health-card{ padding: 20px; margin-bottom: 0; }

/* ===========================================================
   Modal
   =========================================================== */
.sr-modal-overlay{
  position: fixed; inset: 0;
  background: rgba(30,27,60,.45);
  display: none;
  align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
}
.sr-modal-overlay.is-open{ display: flex; }

.sr-modal{
  width: 100%;
  max-width: 520px;
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  padding: 26px 28px 24px;
  max-height: 90vh;
  overflow-y: auto;
}
.sr-modal-head{
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 18px;
}
.sr-modal-title{ font-family: var(--font-display); font-size: 1.2rem; font-weight: 700; margin: 0 0 4px; }
.sr-modal-sub{ font-size: .85rem; color: var(--ink-500); margin: 0; }
.sr-modal-close{
  background: none; border: none; cursor: pointer; color: var(--ink-500);
}

.sr-form-row{ display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.sr-form-group{ margin-bottom: 16px; }
.sr-form-group label{
  display: block;
  font-size: .82rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink-900);
}
.sr-form-group input,
.sr-form-group textarea,
.sr-form-group select{
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: .88rem;
  font-family: inherit;
  color: var(--ink-900);
}
.sr-form-group textarea{ resize: vertical; min-height: 70px; }
.sr-form-group input:focus,
.sr-form-group textarea:focus,
.sr-form-group select:focus{
  outline: none;
  border-color: var(--indigo-600);
  box-shadow: 0 0 0 3px rgba(79,70,229,.12);
}

.sr-diff-group{ display: flex; gap: 8px; }
.sr-diff-btn{
  flex: 1;
  padding: 9px 6px;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  background: var(--white);
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--ink-700);
}
.sr-diff-btn.is-active{
  background: var(--brand-gradient);
  color: var(--white);
  border-color: transparent;
}

.sr-tag-input{
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  padding: 8px 10px;
}
.sr-tag-input input{
  border: none; outline: none; flex: 1; min-width: 100px; font-size: .85rem;
}
.sr-tag-chip{
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--bg-lavender);
  color: var(--indigo-600);
  font-size: .78rem;
  font-weight: 600;
  padding: 4px 8px 4px 10px;
  border-radius: var(--r-pill);
}
.sr-tag-chip button{
  background: none; border: none; cursor: pointer; color: var(--indigo-600);
  display: flex; padding: 0;
}

.sr-modal-foot{
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 6px;
}

/* toast */
.sr-toast{
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink-900);
  color: var(--white);
  padding: 12px 20px;
  border-radius: var(--r-md);
  font-size: .85rem;
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease, transform .2s ease;
  z-index: 200;
}
.sr-toast.is-visible{ opacity: 1; transform: translateX(-50%) translateY(0); }

/* ===========================================================
   Responsive
   =========================================================== */
@media (max-width: 1080px){
  .sr-dash-grid, .sr-details-grid, .sr-insights-grid, .sr-admin-grid{ grid-template-columns: 1fr; }
  .sr-table-head{ flex-direction: column; align-items: stretch; }
  .sr-table-search{ width: 100%; }
  .sr-table-search input{ width: 100%; }
  .sr-admin-head-cta{ display: inline-flex; }
  .sr-course-grid{ grid-template-columns: repeat(2, 1fr); }
  .sr-picks-row{ grid-template-columns: 1fr; }
  .sr-stat-grid{ grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 860px){
  .sr-app{ grid-template-columns: 1fr; }
  .sr-sidebar{
    position: static; height: auto;
    flex-direction: row; align-items: center;
    overflow-x: auto;
    padding: 14px 16px;
  }
  .sr-sidebar-brand{ padding: 0 12px 0 0; }
  .sr-nav{ flex-direction: row; }
  .sr-sidebar-foot{ display: none; }
  .sr-main{ padding: 22px 18px 40px; }
  .sr-topic-grid{ grid-template-columns: repeat(2, 1fr); }
  .sr-form-row{ grid-template-columns: 1fr; }
}

@media (max-width: 600px){
  .sr-course-grid{ grid-template-columns: 1fr; }
  .sr-auth-card{ padding: 32px 22px 26px; }
  .sr-topbar{ padding: 14px 16px; }
  .sr-search{ display: none; }
  .sr-stat-grid{ grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
  html{ scroll-behavior: auto; }
}