/* style.css - Tutoring Website
    Clean, responsive, accessible base styles
*/

/* ========== Theme variables ========== */
:root{
  /* Pastel theme */
  --bg: #fffaf6; /* very pale peach */
  --card: #ffffff;
  --primary: #93c5fd; /* pastel blue */
  --primary-600: #7fb0ff;
  --muted: #7b8794; /* soft muted slate */
  --accent: #f9a8d4; /* pastel pink */
  --danger: #fda4af; /* pastel red */
  --glass: rgba(255,255,255,0.7);
  --radius-sm: 6px;
  --radius-lg: 12px;
  /* remove heavy shadows for a flat pastel look */
  --shadow-sm: none;
  --shadow-md: none;
  --max-width: 1100px;
  --gap: 1.25rem;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, "Roboto Mono", "Courier New", monospace;
  color-scheme: light;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark){
  :root{
     --bg: #0b1220;
     --card: #132351;
     --primary: #60a5fa;
     --primary-600: #9ad0ff;
     --muted: #9ca3af;
     --glass: rgba(8,12,20,0.6);
     --shadow-sm: 0 1px 2px rgba(0,0,0,0.6);
     --shadow-md: 0 8px 30px rgba(0,0,0,0.6);
  }
}

/* ========== Reset & base ========== */
*,
*::before,
*::after{box-sizing:border-box}
html,body,#root{height:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  background:var(--bg);
  color: #697ead;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  line-height:1.45;
  -webkit-text-size-adjust:100%;
  padding:2rem 1rem;
}

/* Accessible focus */
:focus{outline:3px solid rgba(37,99,235,0.18); outline-offset:2px; border-radius:6px}

/* Container */
.container{
  max-width:var(--max-width);
  margin-left:auto;
  margin-right:auto;
  padding-left:1rem;
  padding-right:1rem;
}

/* ========== Layout: sidebar + main ========== */
.layout{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:1.25rem;
  align-items:start;
  max-width:var(--max-width);
  margin-left:-0.2rem;
  margin-right:auto;
  padding-left: 0;   /* ← change this */
  padding-right: 1rem;
}
.sidebar{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:1rem;
  box-shadow:var(--shadow-sm);
  position:sticky;
  top:1rem;
  height:fit-content;
}
.sidebar nav{display:flex;flex-direction:column;gap:.4rem}
.sidebar a{color:var(--muted);text-decoration:none;padding:.5rem .6rem;border-radius:8px;font-weight:600}
.sidebar a:hover{background:linear-gradient(90deg, rgba(147,197,253,0.12), rgba(249,168,212,0.06));color:var(--primary)}

/* Layout utilities */
.row{display:flex;flex-wrap:wrap;margin:-0.75rem}
.col{padding:0.75rem}
.col-1{flex:0 0 8.3333%;max-width:8.3333%}
.col-2{flex:0 0 16.6667%;max-width:16.6667%}
.col-3{flex:0 0 25%;max-width:25%}
.col-4{flex:0 0 33.3333%;max-width:33.3333%}
.col-6{flex:0 0 50%;max-width:50%}
.col-12{flex:0 0 100%;max-width:100%}

/* ========== Header / Nav ========== */
.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  margin-bottom:2rem;
}
.brand{
  display:flex;
  align-items:center;
  gap:.75rem;
  text-decoration:none;
  color:inherit;
  font-weight:700;
}
.brand .logo{
  width:44px;height:44px;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));
  display:inline-block;box-shadow:var(--shadow-md)
}
.nav{
  display:flex;gap:0.5rem;align-items:center;
}
.nav a{
  color:var(--muted);text-decoration:none;padding:.5rem .75rem;border-radius:8px;font-weight:600;
}
.nav a:hover{color:var(--primary)}
.cta{
  background:var(--primary); color:#fff; border:none; padding:.55rem .9rem; border-radius:10px; font-weight:700; cursor:pointer;
  /* remove heavy button shadow for flat look */
  box-shadow:none;
}
.cta.secondary{
  background:transparent;border:1px solid rgba(15,23,42,0.06); color:var(--primary);
}

/* ========== Hero ========== */
.hero{
  display:grid;
  grid-template-columns:1fr 420px;
  gap:2rem;
  align-items:center;
  margin-bottom:2rem;
}
.hero .panel{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:2rem;
  box-shadow:var(--shadow-md);
}
.hero h1{margin:0 0 .5rem;font-size:1.75rem}
.hero p{margin:0 0 1rem;color:var(--muted)}
.hero .search{
  display:flex;gap:.5rem;
}
.input, .select, .textarea{
  width:100%; padding:.7rem .9rem; border-radius:10px;border:1px solid rgba(15,23,42,0.06); background:transparent;
}
.input:focus, .select:focus, .textarea:focus{border-color:var(--primary); box-shadow:none}
.hero-cta{display:flex;gap:.5rem;align-items:center;margin-top:.75rem}

/* ========== Cards / Tutors ========== */
.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:var(--gap);
}
.card{
  background:var(--card);
  border-radius:var(--radius-lg);
  padding:1rem;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease;
  overflow:hidden;
}
.card:hover{ /* remove shadow lift on hover for a calm, flat feel */
  transform:none;
  box-shadow:var(--shadow-md);
}
.tutor{
  display:flex;gap:.9rem;align-items:center;
}
.avatar{
  width:64px;height:64px;border-radius:12px;background:linear-gradient(135deg,#e6eefc,#f0fdf4);flex-shrink:0;display:inline-block;
}
.tutor .meta{flex:1}
.tutor .name{font-weight:700;margin-bottom:.2rem}
.tutor .subject{font-size:.9rem;color:var(--muted)}
.badge{display:inline-block;padding:.25rem .5rem;border-radius:999px;background:rgba(16,185,129,0.12);color:var(--accent);font-weight:700;font-size:.8rem}

/* Rating row */
.row-meta{display:flex;gap:.5rem;align-items:center;margin-top:.5rem}
.pill{padding:.25rem .5rem;border-radius:999px;background:rgba(15,23,42,0.04);font-size:.8rem;color:var(--muted)}

/* ========== Cards: course / feature ========== */
.feature{
  display:flex;flex-direction:column;gap:.5rem;
}
.feature h3{margin:0;font-size:1.05rem}
.feature p{margin:0;color:var(--muted);font-size:.95rem}

/* ========== Forms ========== */
.form-row{display:flex;gap:.6rem;flex-wrap:wrap}
.form-group{flex:1;min-width:160px;display:flex;flex-direction:column;gap:.4rem}
label{font-size:.85rem;color:var(--muted)}
button{cursor:pointer}

/* ========== Footer ========== */
.footer{
  margin-top:2.5rem;
  padding:1.25rem;
  border-radius:12px;
  background:linear-gradient(180deg, rgba(255,250,255,0.6), rgba(255,250,255,0.4));
  display:flex;align-items:center;justify-content:space-between;gap:1rem;box-shadow:var(--shadow-sm)
}
.footer small{color:var(--muted)}

/* ========== Utilities ========== */
.kicker{font-size:.85rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.center{text-align:center}
.hide-sm{display:block}
@media (max-width:900px){
  .hero{grid-template-columns:1fr; padding:0}
  .hero .panel{order:2}
  .hero-illustration{order:1}
  .nav{display:none}
  .hide-sm{display:none}
  .row{margin: -0.5rem}
  .col{padding:0.5rem}
}

/* small tweaks for forms & focus visibility */
.input[disabled], button[disabled]{opacity:.6;cursor:not-allowed}

/* ========== Micro components ========== */
/* Progress chip */
.progress{
  height:8px;border-radius:999px;background:rgba(15,23,42,0.06);overflow:hidden;
}
.progress > span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));}

/* Empty / placeholder */
.empty{
  padding:2rem;border-radius:var(--radius-lg);background:linear-gradient(180deg,rgba(15,23,42,0.02),transparent);text-align:center;color:var(--muted)
}