/* Zale - Tema (gece/gündüz) ve temel layout */

:root {
    --bg:         #ffffff;
    --bg-soft:    #f4f5f7;
    --bg-elev:    #ffffff;
    --fg:         #161a1f;
    --fg-soft:    #4a5260;
    --fg-muted:   #7c8694;
    --accent:     #0a84ff;
    --accent-fg:  #ffffff;
    --border:     #e3e6eb;
    --danger:     #d62b2b;
    --success:    #1f9d55;
    --warning:    #d68a00;
    --radius:     12px;
    --shadow:     0 4px 16px rgba(20, 28, 50, 0.08);
    --shadow-lg:  0 12px 32px rgba(20, 28, 50, 0.14);
    --font:       -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

:root[data-theme="dark"] {
    --bg:         #0f1218;
    --bg-soft:    #161b24;
    --bg-elev:    #1c2330;
    --fg:         #ecf0f5;
    --fg-soft:    #b6bdc8;
    --fg-muted:   #7c8694;
    --accent:     #4ea8ff;
    --accent-fg:  #061322;
    --border:     #2a3140;
    --danger:     #ff6363;
    --success:    #4ade80;
    --warning:    #f5b400;
    --shadow:     0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg:  0 12px 32px rgba(0,0,0,0.55);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--fg);
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    transition: background-color .2s ease, color .2s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 1.25rem;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .8rem 1.25rem;
    background: var(--bg-elev);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: sticky; top: 0; z-index: 50;
}
.topbar .brand {
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
}
.topbar nav { display: flex; gap: 1rem; align-items: center; }

.btn {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 1rem;
    background: var(--bg-elev);
    color: var(--fg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    font-size: .95rem;
    transition: transform .08s ease, background-color .15s ease, border-color .15s ease;
}
.btn:hover { background: var(--bg-soft); }
.btn:active { transform: translateY(1px); }
.btn-primary {
    background: var(--accent);
    color: var(--accent-fg);
    border-color: var(--accent);
}
.btn-primary:hover { filter: brightness(1.08); background: var(--accent); }
.btn-ghost { background: transparent; border-color: transparent; }
.btn-icon { padding: .45rem; width: 2.4rem; justify-content: center; }

.card {
    background: var(--bg-elev);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    box-shadow: var(--shadow);
}

.muted { color: var(--fg-muted); }
.small { font-size: .9rem; }
.row { display: flex; gap: 1rem; flex-wrap: wrap; }
.row > * { flex: 1 1 240px; }

h1, h2, h3 { line-height: 1.25; margin-top: 0; }
h1 { font-size: 1.8rem; }
h2 { font-size: 1.35rem; }

.theme-toggle {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--fg);
    padding: .4rem .7rem;
    border-radius: 999px;
    cursor: pointer;
    font-size: .9rem;
}
.theme-toggle:hover { background: var(--bg-soft); }

/* Mobil */
@media (max-width: 640px) {
    .container { padding: 1rem; }
    h1 { font-size: 1.5rem; }
    .topbar { padding: .65rem .9rem; }
    .topbar nav { gap: .4rem; }
    .btn { padding: .5rem .8rem; font-size: .9rem; }
}

/* AR ve harita için tam ekran */
.fullscreen {
    position: fixed; inset: 0;
    width: 100vw; height: 100dvh;
    overflow: hidden;
}
.overlay {
    position: fixed; left: 0; right: 0; bottom: 0;
    padding: 1rem;
    background: linear-gradient(to top, rgba(0,0,0,.65), transparent);
    color: #fff;
    z-index: 20;
    pointer-events: none;
}
.overlay .panel {
    background: rgba(20,24,32,.85);
    color: #fff;
    border: 1px solid rgba(255,255,255,.1);
    border-radius: var(--radius);
    padding: .8rem 1rem;
    pointer-events: auto;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.top-right {
    position: fixed; top: .75rem; right: .75rem; z-index: 30;
    display: flex; gap: .5rem;
}
.top-left {
    position: fixed; top: .75rem; left: .75rem; z-index: 30;
}

.status-dot { display: inline-block; width: .6rem; height: .6rem; border-radius: 50%; background: var(--fg-muted); margin-right: .35rem; }
.status-dot.ok { background: var(--success); }
.status-dot.warn { background: var(--warning); }
.status-dot.err { background: var(--danger); }