/* ============================================================
   ENES AKVARYUM — Button System
   Vanilla CSS karşılığı: base-button.tsx varyantları
   ============================================================ */

/* ── BASE ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  cursor: pointer;
  border: none;
  outline: none;
  text-decoration: none;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s, border-color 0.15s, opacity 0.15s;
  border-radius: 10px;
  position: relative;
  box-sizing: border-box;
}
.btn:disabled,
.btn[disabled] {
  pointer-events: none;
  opacity: 0.6;
}
.btn:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}
.btn svg {
  flex-shrink: 0;
  width: 1em;
  height: 1em;
}

/* ── SIZES ── */
.btn-lg {
  height: 40px;
  padding: 0 16px;
  font-size: 0.875rem;
  gap: 6px;
  border-radius: 10px;
}
.btn-lg svg { width: 16px; height: 16px; }

.btn-md {
  height: 34px;
  padding: 0 12px;
  font-size: 0.8125rem;
  gap: 6px;
  border-radius: 8px;
}
.btn-md svg { width: 15px; height: 15px; }

.btn-sm {
  height: 28px;
  padding: 0 10px;
  font-size: 0.75rem;
  gap: 5px;
  border-radius: 7px;
}
.btn-sm svg { width: 13px; height: 13px; }

/* ── ICON MODE ── */
.btn-icon {
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 8px;
  flex-shrink: 0;
}
.btn-icon svg { width: 16px; height: 16px; }
.btn-icon.btn-sm { width: 28px; height: 28px; border-radius: 7px; }
.btn-icon.btn-sm svg { width: 13px; height: 13px; }
.btn-icon.btn-lg { width: 40px; height: 40px; border-radius: 10px; }
.btn-icon.btn-lg svg { width: 17px; height: 17px; }

/* ── CIRCLE SHAPE ── */
.btn-circle { border-radius: 9999px; }
.btn-icon.btn-circle { border-radius: 9999px; }

/* ── VARIANTS ── */

/* Primary */
.btn-primary {
  background: var(--blue);
  color: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.btn-primary:hover { background: var(--blue-dark); }
.btn-primary:active { background: var(--blue-dark); }
.btn-primary[data-state="open"] { background: var(--blue-dark); }

/* Mono */
.btn-mono {
  background: #18181b;
  color: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.btn-mono:hover { background: #27272a; }

/* Destructive */
.btn-destructive {
  background: var(--coral-dark);
  color: #fff;
  box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
.btn-destructive:hover { background: #c0392b; }

/* Secondary */
.btn-secondary {
  background: var(--blue-pale);
  color: var(--blue);
  box-shadow: 0 1px 4px rgba(0,0,0,0.05);
}
.btn-secondary:hover { background: #dbeafe; }
.btn-secondary svg { opacity: 0.7; }

/* Outline */
.btn-outline {
  background: #fff;
  color: var(--text);
  border: 1.5px solid var(--stroke);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}
.btn-outline:hover { background: var(--bg); }
.btn-outline svg { opacity: 0.6; }

/* Dashed */
.btn-dashed {
  background: #fff;
  color: var(--text);
  border: 1.5px dashed var(--stroke);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.btn-dashed:hover { background: var(--bg); }
.btn-dashed svg { opacity: 0.6; }

/* Ghost */
.btn-ghost {
  background: transparent;
  color: var(--text);
}
.btn-ghost:hover { background: var(--bg); }
.btn-ghost svg { opacity: 0.6; }

/* Ghost icon */
.btn-ghost.btn-icon {
  color: var(--text-mid);
}
.btn-ghost.btn-icon:hover {
  background: var(--bg);
  color: var(--text);
}

/* Dim */
.btn-dim {
  background: transparent;
  color: var(--text-mid);
}
.btn-dim:hover { color: var(--text); }

/* Ghost appearance (primary rengi, şeffaf bg) */
.btn-primary-ghost {
  background: transparent;
  color: var(--blue);
}
.btn-primary-ghost:hover { background: rgba(18,70,181,0.06); }

/* Destructive ghost */
.btn-destructive-ghost {
  background: transparent;
  color: var(--coral-dark);
}
.btn-destructive-ghost:hover { background: rgba(232,85,85,0.06); }

/* ── LINK MODE ── */
.btn-link {
  background: transparent;
  height: auto;
  padding: 0;
  border-radius: 0;
  color: var(--blue);
  font-weight: 500;
  font-size: inherit;
}
.btn-link:hover { text-decoration: underline; text-underline-offset: 4px; }
.btn-link.btn-underlined { text-decoration: underline; text-underline-offset: 4px; }
.btn-link.btn-dashed-underline { text-decoration: underline; text-decoration-style: dashed; text-underline-offset: 4px; }

/* ── INPUT MODE ── */
.btn-input {
  justify-content: flex-start;
  font-weight: 400;
  background: #fff;
  color: var(--text);
  border: 1.5px solid var(--stroke);
  border-radius: 10px;
  width: 100%;
}
.btn-input:hover { background: #fff; border-color: #c0c0c0; }
.btn-input:focus-visible {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(18,70,181,0.1);
}
.btn-input.placeholder { color: var(--text-dim); }
.btn-input svg { opacity: 0.6; }

/* Arrow icon (dropdown gibi) */
.btn-arrow {
  margin-left: auto;
  margin-right: -4px;
  opacity: 0.5;
  transition: transform 0.2s;
}
[data-state="open"] .btn-arrow,
.btn-arrow.open {
  transform: rotate(180deg);
}