/* ============================================================
   Miracle Tai Chi - Navigation (global via layout-default)
   แยกออกจาก practices.css เพื่อให้ทุกหน้าโหลดพร้อมกันที่ layout
   ใช้ตัวแปร --sf, --border, --jl, --s3, --s2, --gold, --jade ฯลฯ
   ที่กำหนดต่อบน .sp-app
   ============================================================ */

.sp-app {
  /* --bg: #EAF4FB; */
  --bg: url('/img/unsplash2.jpg');
  --sf: #FFFFFF;
  --s2: #F2F8FD;
  --s3: #E3F0FA;
  --gold: #C9A84C;
  --gl: #B8912F;
  --jade: #2980b9;
  --jl: #5DADE2;
  --text: #20262E;
  --dim: #55606E;
  --disable: #ccc;
  --border: #CFE3F2;
  --danger: #C3352E;
  --green: #1E7A47;
  --warn: #B56E0A;
  --purple: #6A5B98;
  --r: 14px;
  --rs: 9px;

  font-family: 'Prompt', 'Segoe UI', system-ui, sans-serif;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  font-size: 17px;
  line-height: 1.6;
}

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

.sp-app {
  background: var(--bg);
  background-size: cover;
  background-attachment: fixed;
  background-repeat: no-repeat;
}

/* ═══ NAVBAR ═══ */
.sp-app .sp-nav {
  /* background: linear-gradient(135deg, #BFE0F5, #A8D4EF); */
  background: var(--sf);
  border-bottom: 2px solid var(--border);
  padding: .55rem 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.sp-app .sp-nav .brand {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
  color: #17222E;
  font-weight: 600;
  font-size: 1.15rem;
}

.sp-app .sp-nav .brand .lg {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--gold), var(--jade));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.sp-app .sp-nav .nav-links {
  display: flex;
  gap: .6rem;
  flex-wrap: wrap;
  align-items: center;
}

.sp-app .sp-nav .nav-links a {
  color: #33576E;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.02rem;
  padding: .35rem .7rem;
  border-radius: 8px;
  white-space: nowrap;
}

.sp-app .sp-nav .nav-links a:hover {
  background: rgba(255, 255, 255, .55);
  color: #17222E;
}

.sp-app .sp-nav .nav-links a.on {
  background: var(--jl);
  color: var(--sf);
  font-weight: 700;
  box-shadow: 0 1px 10px rgba(23, 34, 46, .5);
}

.sp-app .sp-nav .nav-toggle {
  display: none;
}

.sp-app .sp-nav .nav-panel-hd {
  display: none;
}

.sp-app .sp-nav .nav-backdrop {
  display: none;
}

.sp-app .sp-nav .who {
  font-size: .95rem;
  color: #33576E;
  margin-right: .4rem;
  white-space: nowrap;
}

.sp-app .sp-nav .rb {
  font-size: .85rem;
  font-weight: 600;
  padding: .15rem .6rem;
  border-radius: 20px;
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.sp-app .rb-admin {
  background: rgba(201, 168, 76, .3);
  color: #6b5214;
}

.sp-app .rb-teacher {
  background: rgba(107, 173, 160, .3);
  color: #245c51;
}

.sp-app .rb-student {
  background: rgba(107, 191, 142, .3);
  color: #1e5c38;
}

.sp-app .sp-nav .logout {
  color: #c3352e;
  background: #fff;
  border: 1px solid rgba(195, 53, 46, .4);
  font-weight: 600;
  font-size: 1rem;
  padding: .35rem .85rem;
  border-radius: 8px;
  text-decoration: none;
}

.sp-app .sp-nav .logout:hover {
  background: #fdeceb;
}

/* ── mobile slide-in nav panel ── */
@media (max-width: 640px) {
  .sp-app {
    font-size: 16.5px;
  }

  .sp-app .sp-nav .brand {
    font-size: 1.05rem;
  }

  .sp-app .sp-nav .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-size: 1.4rem;
    line-height: 1;
    border: 0;
    border-radius: 8px;
    background: rgba(255, 255, 255, .55);
    color: #17222E;
    cursor: pointer;
    flex-shrink: 0;
  }

  .sp-app .sp-nav .nav-toggle:hover {
    background: #fff;
  }

  .sp-app .sp-nav .nav-links {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: min(78vw, 300px);
    flex-direction: column;
    align-items: stretch;
    gap: .2rem;
    background: #fff;
    border-right: 2px solid var(--border);
    box-shadow: 4px 0 20px rgba(23, 34, 46, .25);
    padding: 1rem .9rem;
    z-index: 120;
    transform: translateX(-100%);
    transition: transform .28s ease;
    overflow-y: auto;
  }

  .sp-app .sp-nav .nav-links.open {
    transform: translateX(0);
  }

  .sp-app .sp-nav .nav-links .nav-panel-hd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .2rem .35rem 1rem;
    margin-bottom: .6rem;
    border-bottom: 2px solid var(--s3);
  }

  .sp-app .sp-nav .nav-links .nav-panel-title {
    font-weight: 700;
    color: #17222E;
    font-size: 1.1rem;
  }

  .sp-app .sp-nav .nav-links .nav-close {
    width: 34px;
    height: 34px;
    border: 0;
    border-radius: 8px;
    background: var(--s2);
    color: #17222E;
    font-size: 1.05rem;
    cursor: pointer;
  }

  .sp-app .sp-nav .nav-links a {
    display: block;
    padding: .7rem .8rem;
    font-size: 1.08rem;
    border-radius: 10px;
  }

  .sp-app .sp-nav .nav-links a.on {
    background: var(--s3);
    color: var(--jl);
    box-shadow: none;
  }

  .sp-app .sp-nav .nav-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(23, 34, 46, .4);
    z-index: 110;
    opacity: 0;
    visibility: hidden;
    transition: opacity .28s ease, visibility .28s ease;
  }

  .sp-app .sp-nav .nav-backdrop.open {
    opacity: 1;
    visibility: visible;
  }

  .sp-app .sp-nav .who {
    display: none;
  }
}