html {
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin-bottom: 60px;
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
  color: var(--bs-secondary-color);
  text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
  text-align: start;
}
body {
    background-image: url('/images/medical-pattern.png');
    background-repeat: repeat;
    background-size: 150px;
    opacity: 0.95;
}
/* ألوان الوضع الفاتح */
:root {
    --c1: #eaf3ff;
    --c2: #e6fbff;
    --c3: #e9fff6;
    --c4: #ffffff;
    --text-color: #212529;
    --glass-bg: rgba(255,255,255,0.6);
    --glass-border: rgba(255,255,255,0.5);
    --btn-shadow: rgba(13,110,253,.35);
}

/* ألوان الوضع الداكن */
body.dark-mode {
    --c1: #1a1f29;
    --c2: #19242e;
    --c3: #132b2b;
    --c4: #0d1117;
    --text-color: #e9ecef;
    --glass-bg: rgba(255,255,255,0.05);
    --glass-border: rgba(255,255,255,0.15);
    --btn-shadow: rgba(13,110,253,.55);
}

/* الخلفية */
body {
    min-height: 100vh;
    background: radial-gradient(1200px 600px at 80% -10%, rgba(13,110,253,0.06), transparent 60%), radial-gradient(900px 500px at 10% 0%, rgba(25,135,84,0.05), transparent 55%), linear-gradient(180deg, var(--c1) 0%, var(--c2) 35%, var(--c3) 70%, var(--c4) 100%);
    background-attachment: fixed;
    color: var(--text-color);
    transition: all 0.5s ease;
}

/* بطاقة زجاجية */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 10px 30px var(--btn-shadow);
    border-radius: 1.25rem;
    transition: background 0.5s ease, border 0.5s ease;
}

/* أزرار كبسولة */
.btn-pill {
    border-radius: 50px;
    padding: .65rem 1.5rem;
    font-weight: 600;
}

.btn-glow {
    box-shadow: 0 0 10px var(--btn-shadow);
    transition: all .25s ease;
}

    .btn-glow:hover {
        box-shadow: 0 0 18px var(--btn-shadow);
        transform: translateY(-2px);
    }