@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500;600&display=swap');

:root {
  /* --- Renk paleti: "gece terminali" - saf siyah değil, mavi-gri tonlu derinlik --- */
  --bg: #10141b;
  --panel: #171d27;
  --panel-2: #1e2530;
  --border: #2a3241;
  --text: #e7eaef;
  --text-muted: #8792a3;

  --accent: #e8a33d;       /* sinyal altını - CTA ve vurgular */
  --accent-dim: #e8a33d22;
  --al: #3fb68b;           /* kazanç / AL yeşili */
  --al-dim: #3fb68b1f;
  --sat: #e15554;          /* kayıp / SAT kırmızısı */
  --sat-dim: #e155541f;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
}

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

/* --- Üst şerit: canlı ticker tadında sabit bant --- */
.ticker-bar {
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
  padding: 8px 24px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  display: flex;
  justify-content: space-between;
}
.ticker-bar strong { color: var(--accent); font-weight: 600; }

/* --- Genel yerleşim: sol menü + içerik --- */
.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 220px;
  flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 24px 0;
}
.sidebar .brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  padding: 0 24px 24px 24px;
  letter-spacing: -0.01em;
}
.sidebar .brand span { color: var(--accent); }
.sidebar nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 24px;
  color: var(--text-muted);
  font-size: 14px;
  font-weight: 500;
  border-left: 3px solid transparent;
  transition: all .15s ease;
}
.sidebar nav a:hover { color: var(--text); background: var(--panel-2); }
.sidebar nav a.active {
  color: var(--accent);
  border-left-color: var(--accent);
  background: var(--accent-dim);
}

.content { flex: 1; padding: 32px 40px; max-width: 1200px; }

h1.page-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  margin: 0 0 6px 0;
  letter-spacing: -0.01em;
}
.page-subtitle { color: var(--text-muted); margin: 0 0 28px 0; font-size: 14px; }

/* --- Kart --- */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  margin-bottom: 20px;
}
.card h2 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin: 0 0 16px 0;
  color: var(--text);
}
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }

/* --- Metrik kutusu --- */
.metric { }
.metric .label { color: var(--text-muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; margin-bottom: 4px; }
.metric .value { font-family: var(--font-mono); font-size: 24px; font-weight: 600; }
.metric .value.al { color: var(--al); }
.metric .value.sat { color: var(--sat); }

/* --- Form elemanları --- */
label { display: block; font-size: 13px; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; }
input[type=text], input[type=number], input[type=date], select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  margin-bottom: 16px;
}
input[type=file] {
  width: 100%;
  background: var(--panel-2);
  border: 1px dashed var(--border);
  color: var(--text-muted);
  padding: 16px 12px;
  border-radius: 6px;
  margin-bottom: 16px;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #16130a;
  font-weight: 600;
  font-size: 14px;
  padding: 11px 22px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--font-body);
}
.btn:hover { filter: brightness(1.08); }
.btn.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }

/* --- Tablo --- */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--text-muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; padding: 10px 12px; border-bottom: 1px solid var(--border); }
td { padding: 12px; border-bottom: 1px solid var(--border); font-family: var(--font-mono); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--panel-2); }

/* --- Rozet: AL / SAT / TUT --- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; font-family: var(--font-body); }
.badge.al { background: var(--al-dim); color: var(--al); }
.badge.sat { background: var(--sat-dim); color: var(--sat); }
.badge.tut { background: var(--panel-2); color: var(--text-muted); }

/* --- Uyarı/boş durum --- */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state .icon { font-size: 32px; margin-bottom: 12px; opacity: .6; }

.alert { padding: 14px 16px; border-radius: 8px; font-size: 13px; margin-bottom: 18px; }
.alert.info { background: var(--accent-dim); color: var(--accent); border: 1px solid var(--accent); }
.alert.error { background: var(--sat-dim); color: var(--sat); border: 1px solid var(--sat); }
.alert.success { background: var(--al-dim); color: var(--al); border: 1px solid var(--al); }

.chart-wrap { background: var(--panel-2); border-radius: 8px; padding: 16px; }

footer.disclaimer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

@media (max-width: 800px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; padding: 12px 0; }
  .sidebar nav { display: flex; overflow-x: auto; }
  .content { padding: 20px; }
}