/* =====================================================
   Araç Bakım Yönetim Paneli - Premium Koyu Tema
   Glassmorphism · Inter · Responsive
   ===================================================== */

:root {
    /* Renk Paleti (4 renk: lacivert-koyu zemin, teal accent, nötrler) */
    --bg:            #0a0e17;
    --bg-2:          #0d1320;
    --surface:       rgba(22, 30, 46, 0.55);
    --surface-solid: #161e2e;
    --border:        rgba(148, 163, 184, 0.12);
    --border-strong: rgba(148, 163, 184, 0.22);

    --text:          #e8edf6;
    --text-muted:    #94a3b8;
    --text-dim:      #5b6b85;

    --accent:        #2dd4bf; /* teal */
    --accent-2:      #14b8a6;
    --accent-soft:   rgba(45, 212, 191, 0.12);

    --success:       #34d399;
    --warning:       #fbbf24;
    --danger:        #f87171;
    --info:          #38bdf8;

    --radius:        16px;
    --radius-sm:     10px;
    --shadow:        0 10px 40px -12px rgba(0, 0, 0, 0.55);
    --sidebar-w:     264px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { background: var(--bg); }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background:
        radial-gradient(1100px 600px at 12% -8%, rgba(45, 212, 191, 0.10), transparent 60%),
        radial-gradient(900px 500px at 100% 0%, rgba(56, 189, 248, 0.08), transparent 55%),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    line-height: 1.5;
}

/* hamburger */

.menu-btn{
    position:fixed;
    top:20px;
    left:20px;
    width:45px;
    height:45px;
    background:#111827;
    color:white;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:12px;
    font-size:25px;
    z-index:1001;
    cursor:pointer;
}
.menu-btn.hide{
    display:none;
}
.sidebar{
    position:fixed;
    top:0;
    left:0;
    width:260px;
    height:100vh;
    background:var(--bg-2);
    transform:translateX(-100%);
    transition:.3s ease;
    z-index:1000;
    padding:25px;
    box-shadow:10px 0 30px rgba(0,0,0,.1);
}
@media (min-width: 769px){

}


.sidebar.active{
    transform:translateX(0);
}
.logo{
    font-size:20px;
    font-weight:700;
    margin-bottom:40px;
}
.sidebar a{
    display:block;
    padding:15px;
    margin-bottom:10px;
    text-decoration:none;
    color:var(--text);
    border-radius:10px;
}
.sidebar a:hover{
    background:var(--surface-solid);
}

.overlay{
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.4);
    opacity:0;
    visibility:hidden;
    transition:.3s;
    z-index:999;
}

.overlay.active{
    opacity:1;
    visibility:visible;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148, 163, 184, 0.2); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: rgba(148, 163, 184, 0.35); }