pulseboard/styles/base.css

/* =========================================================
   PulseBoard — Temel katman (reset + yerleşim iskeleti)
   ========================================================= */

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

* { margin: 0; padding: 0; }

html, body { height: 100%; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font);
  background: var(--zemin);
  color: var(--metin);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  /* Yatay taşmayı engelle; dikeyde scroll HER ZAMAN gelmeli.
     overflow: hidden KULLANMA — içerik uzarsa kullanıcı erişemez. */
  overflow-x: hidden;
  overflow-y: auto;
  min-height: 100%;
}

/* Arka plan atmosferi: çok hafif radial aksanlar */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(880px 520px at 8% -8%, rgba(45, 212, 191, .13), transparent 62%),
    radial-gradient(760px 480px at 96% 4%, rgba(168, 85, 247, .12), transparent 64%),
    radial-gradient(900px 620px at 52% 110%, rgba(56, 189, 248, .08), transparent 66%);
}

[data-tema="acik"] body::before {
  background:
    radial-gradient(880px 520px at 8% -8%, rgba(13, 148, 136, .10), transparent 62%),
    radial-gradient(760px 480px at 96% 4%, rgba(124, 58, 237, .09), transparent 64%);
}

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

button, input, select, textarea {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
}

button { cursor: pointer; }

svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; }

h1, h2, h3, h4 { line-height: 1.24; letter-spacing: -0.02em; font-weight: 700; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* --- Yerleşim --- */
.uygulama-kabuk {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: var(--sidebar-g) minmax(0, 1fr);
  min-height: 100vh;
}

.mobil-bar { display: none; }

.icerik {
  min-width: 0;
  padding: var(--bosluk-6) var(--bosluk-6) var(--bosluk-7);
  max-width: var(--icerik-maks);
  width: 100%;
}

/* --- Üst bölüm --- */
.ust-bolum {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--bosluk-5);
  flex-wrap: wrap;
  margin-bottom: var(--bosluk-6);
}

.selamlama {
  font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.15rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  background: linear-gradient(100deg, var(--metin) 12%, var(--teal) 62%, var(--mavi) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tarih-satiri {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--bosluk-2);
  margin-top: 6px;
  color: var(--metin-2);
  font-size: .93rem;
}

.ayrac { color: var(--metin-3); }

.ust-sag {
  display: flex;
  align-items: center;
  gap: var(--bosluk-4);
  flex-wrap: wrap;
}

.hizli-ilerleme {
  display: flex;
  align-items: center;
  gap: var(--bosluk-3);
  padding: 8px 16px 8px 8px;
  border: 1px solid var(--cizgi);
  border-radius: var(--r-full);
  background: var(--yuzey);
  backdrop-filter: var(--blur);
  box-shadow: var(--golge-1);
}

.halka { width: 44px; height: 44px; flex: none; }
.halka-zemin { stroke: var(--cizgi-guclu); stroke-width: 3.4; }
.halka-dolgu {
  stroke: url(#yok) ;
  stroke: var(--teal);
  stroke-width: 3.4;
  stroke-linecap: round;
  stroke-dasharray: 113.1;
  stroke-dashoffset: 113.1;
  transform: rotate(-90deg);
  transform-origin: 50% 50%;
  transition: stroke-dashoffset var(--gecis-yavas), stroke var(--gecis);
}

.hizli-ilerleme-metin { display: flex; flex-direction: column; line-height: 1.2; }
.hizli-ilerleme-metin strong { font-size: 1.02rem; font-weight: 700; }
.hizli-ilerleme-metin span {
  font-size: .72rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--metin-3);
}

/* --- Sidebar --- */
.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: var(--bosluk-5);
  padding: var(--bosluk-5) var(--bosluk-4);
  border-right: 1px solid var(--cizgi);
  background: linear-gradient(180deg, var(--zemin-2) 0%, rgba(9, 14, 26, .92) 100%);
  backdrop-filter: var(--blur);
  z-index: var(--z-sidebar);
}

[data-tema="acik"] .sidebar {
  background: linear-gradient(180deg, #ffffff 0%, rgba(244, 247, 253, .92) 100%);
}

.sidebar-ust {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--bosluk-3);
}

.marka {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px;
  min-height: 44px; /* Dokunma hedefi: WCAG 2.5.5 */
  box-sizing: border-box;
}

.logo-isaret {
  width: 30px;
  height: 30px;
  flex: none;
  border-radius: 10px;
  background: var(--aksan);
  box-shadow: 0 6px 20px -8px rgba(45, 212, 191, .85);
  position: relative;
}

.logo-isaret::after {
  content: "";
  position: absolute;
  inset: 4px;
  border-radius: 7px;
  background: var(--zemin-2);
  opacity: .82;
}

.logo-isaret::before {
  content: "";
  position: absolute;
  inset: 10px 6px;
  border-radius: 3px;
  background: var(--aksan);
  z-index: 1;
}

.marka-metin { font-size: 1.06rem; font-weight: 600; letter-spacing: -.02em; }
.marka-metin strong { font-weight: 800; }

.sidebar-kapat { display: none; }

.menu { display: flex; flex-direction: column; gap: 3px; flex: 1; }

.menu-ogesi {
  display: flex;
  align-items: center;
  gap: var(--bosluk-3);
  padding: 11px 13px;
  border-radius: var(--r-sm);
  color: var(--metin-2);
  font-size: .94rem;
  font-weight: 500;
  border: 1px solid transparent;
  transition: background var(--gecis-hizli), color var(--gecis-hizli), border-color var(--gecis-hizli);
  position: relative;
}

.menu-ogesi svg { width: 19px; height: 19px; flex: none; }

.menu-ogesi:hover {
  background: var(--yuzey-2);
  color: var(--metin);
}

.menu-ogesi.aktif {
  color: var(--metin);
  background: var(--aksan-yumusak);
  border-color: var(--cizgi-guclu);
}

.menu-ogesi.aktif::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 50%;
  translate: 0 -50%;
  width: 3px;
  height: 20px;
  border-radius: var(--r-full);
  background: var(--aksan);
}

.rozet {
  margin-left: auto;
  min-width: 22px;
  padding: 1px 7px;
  border-radius: var(--r-full);
  background: rgba(45, 212, 191, .16);
  color: var(--teal);
  font-size: .74rem;
  font-weight: 700;
  text-align: center;
}

.sidebar-alt { display: flex; flex-direction: column; gap: var(--bosluk-3); }

.gunluk-kutu {
  padding: 14px;
  border: 1px solid var(--cizgi);
  border-radius: var(--r-md);
  background: var(--yuzey-2);
}

.gunluk-kutu-ust {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-size: .78rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--metin-3);
  margin-bottom: 10px;
}

.gunluk-kutu-ust strong { color: var(--teal); font-size: .95rem; letter-spacing: 0; }

.tema-degistir {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 13px;
  border-radius: var(--r-sm);
  border: 1px solid var(--cizgi);
  color: var(--metin-2);
  font-size: .88rem;
  transition: background var(--gecis-hizli), color var(--gecis-hizli);
}

.tema-degistir svg { width: 17px; height: 17px; }
.tema-degistir:hover { background: var(--yuzey-2); color: var(--metin); }

/* --- Erişilebilirlik: içeriğe atla --- */
.atla-baglantisi {
  position: absolute;
  left: -9999px;
  top: 8px;
  z-index: 100;
  padding: 12px 18px;
  min-height: 44px; /* Dokunma hedefi: WCAG 2.5.5 */
  display: inline-flex;
  align-items: center;
  box-sizing: border-box;
  border-radius: var(--r-sm);
  background: var(--teal);
  color: #05221f;
  font-weight: 600;
}

.atla-baglantisi:focus { left: 12px; }

.perde {
  position: fixed;
  inset: 0;
  background: rgba(3, 7, 18, .62);
  backdrop-filter: blur(3px);
  z-index: var(--z-perde);
  opacity: 0;
  transition: opacity var(--gecis);
}

.perde.acik { opacity: 1; }

/* --- Yardımcı sınıflar --- */
.gizli { display: none !important; }

.gorunmez-metin {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}