:root {
    --sp-orange: #F5A623;
    --sp-orange-dark: #D6890E;
    --sp-dark: #3A3A3A;
    --sp-darker: #232323;
    --sp-bg: #F4F5F7;
    --sp-card-bg: rgba(255, 255, 255, 0.75);
    --sp-border: rgba(58, 58, 58, 0.08);
    --sp-success: #2E9E5B;
    --sp-danger: #D64545;
    --sp-radius: 16px;
    --sp-shadow: 0 8px 24px rgba(58, 58, 58, 0.08);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

body {
    background: var(--sp-bg);
    color: var(--sp-dark);
    margin: 0;
    font-family: 'Inter', sans-serif;
}

/* ---------- Login Ekranı ---------- */
.login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 20% 20%, #fff 0%, #F4F5F7 45%, #ECE9E2 100%);
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 24px;
    box-shadow: var(--sp-shadow);
    padding: 40px 32px;
}

.login-logo {
    text-align: center;
    margin-bottom: 28px;
}
.login-logo .brand-stone { color: var(--sp-orange); font-weight: 700; }
.login-logo .brand-panel { color: var(--sp-dark); font-weight: 700; }
.login-logo h1 { font-size: 26px; margin: 0; letter-spacing: -0.5px; }
.login-logo p { font-size: 12px; color: #8a8a8a; margin: 4px 0 0; letter-spacing: 1px; text-transform: uppercase; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--sp-dark); }
.form-control {
    width: 100%;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1.5px solid rgba(58,58,58,0.12);
    background: rgba(255,255,255,0.9);
    font-size: 15px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.form-control:focus {
    outline: none;
    border-color: var(--sp-orange);
    box-shadow: 0 0 0 3px rgba(245,166,35,0.18);
}

.checkbox-row { display: flex; align-items: center; gap: 8px; margin-bottom: 22px; font-size: 14px; }
.checkbox-row input { accent-color: var(--sp-orange); width: 16px; height: 16px; }

.btn-primary {
    width: 100%;
    background: linear-gradient(135deg, var(--sp-orange), var(--sp-orange-dark));
    color: #fff;
    border: none;
    border-radius: 12px;
    padding: 13px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: transform .12s ease, box-shadow .12s ease;
    box-shadow: 0 6px 16px rgba(245,166,35,0.35);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(245,166,35,0.45); }
.btn-primary:active { transform: translateY(0); }

.alert {
    padding: 12px 14px;
    border-radius: 10px;
    font-size: 13.5px;
    margin-bottom: 18px;
}
.alert-danger { background: rgba(214,69,69,0.1); color: var(--sp-danger); border: 1px solid rgba(214,69,69,0.25); }
.alert-success { background: rgba(46,158,91,0.1); color: var(--sp-success); border: 1px solid rgba(46,158,91,0.25); }

/* ---------- Uygulama İskeleti (dashboard, listeler) ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 240px;
    background: var(--sp-darker);
    color: #eee;
    padding: 24px 16px;
    flex-shrink: 0;
}
.sidebar .brand { font-size: 20px; font-weight: 700; margin-bottom: 32px; padding-left: 8px; }
.sidebar .brand .brand-stone { color: var(--sp-orange); }
.sidebar {
    overflow: hidden;
}
.sidebar .brand-logo {
    padding: 4px 8px 24px;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    box-sizing: border-box;
}
.sidebar .brand-logo img {
    max-width: 170px;
    width: 100%;
    height: auto;
    display: block;
}
.sidebar nav a {
    display: flex; align-items: center; gap: 10px;
    color: #cfcfcf; text-decoration: none;
    padding: 10px 12px; border-radius: 10px; margin-bottom: 4px;
    font-size: 14px; transition: background .12s ease;
}
.sidebar nav a:hover, .sidebar nav a.active { background: rgba(245,166,35,0.15); color: #fff; }
.sidebar nav a.active { border-left: 3px solid var(--sp-orange); }

.main-content { flex: 1; padding: 28px 32px; max-width: 100%; }

.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
.topbar h1 { font-size: 22px; margin: 0; }
.topbar .user-chip { display: flex; align-items: center; gap: 10px; background: #fff; padding: 8px 14px; border-radius: 999px; box-shadow: var(--sp-shadow); font-size: 13px; }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 16px; margin-bottom: 28px; }
.stat-card {
    background: var(--sp-card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: var(--sp-radius);
    padding: 18px 20px;
    box-shadow: var(--sp-shadow);
}
.stat-card .label { font-size: 12.5px; color: #8a8a8a; margin-bottom: 6px; }
.stat-card .value { font-size: 26px; font-weight: 700; color: var(--sp-dark); }
.stat-card .value.orange { color: var(--sp-orange-dark); }

.card {
    background: #fff;
    border-radius: var(--sp-radius);
    box-shadow: var(--sp-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

table.sp-table { width: 100%; border-collapse: collapse; font-size: 14px; }
table.sp-table th { text-align: left; font-size: 12px; text-transform: uppercase; color: #999; padding: 10px 12px; border-bottom: 2px solid #f0f0f0; }
table.sp-table td { padding: 12px; border-bottom: 1px solid #f3f3f3; }
table.sp-table tr:hover td { background: #FAFAFA; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-orange { background: rgba(245,166,35,0.15); color: var(--sp-orange-dark); }
.badge-green { background: rgba(46,158,91,0.15); color: var(--sp-success); }
.badge-red { background: rgba(214,69,69,0.15); color: var(--sp-danger); }
.badge-gray { background: #eee; color: #777; }

.btn-sm { padding: 7px 14px; border-radius: 8px; border: none; font-size: 13px; font-weight: 600; cursor: pointer; }
.btn-sm.orange { background: var(--sp-orange); color: #fff; }
.btn-sm.outline { background: transparent; border: 1.5px solid rgba(58,58,58,0.15); color: var(--sp-dark); }

.status-quick-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 10px; }
.status-btn {
    border: 1.5px solid rgba(58,58,58,0.1);
    background: #fff;
    border-radius: 12px;
    padding: 12px 10px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    transition: all .12s ease;
}
.status-btn:hover { border-color: var(--sp-orange); background: rgba(245,166,35,0.08); }
.status-btn.negative:hover { border-color: var(--sp-danger); background: rgba(214,69,69,0.08); }

@media (max-width: 900px) {
    .main-content { padding: 20px; }
}

/* ---------- Mobil Üst Bar + Hamburger Menü ---------- */
.mobile-topbar { display: none; }
.sidebar-close-btn { display: none; }

@media (max-width: 900px) {
    .app-shell { display: block; }

    .mobile-topbar {
        display: flex;
        flex-wrap: nowrap;
        align-items: center;
        gap: 14px;
        background: var(--sp-darker);
        color: #fff;
        padding: 14px 18px;
        position: sticky;
        top: 0;
        z-index: 50;
        width: 100%;
        box-sizing: border-box;
    }
    .mobile-topbar .mobile-brand {
        display: flex;
        align-items: center;
        overflow: hidden;
    }
    .mobile-topbar .mobile-brand img {
        height: 26px;
        width: auto;
        max-width: 140px;
        object-fit: contain;
        display: block;
    }
    .hamburger-btn {
        -webkit-appearance: none;
        appearance: none;
        background: none !important;
        border: none !important;
        box-shadow: none !important;
        border-radius: 0 !important;
        color: #fff !important;
        font-size: 26px;
        cursor: pointer;
        padding: 0;
        margin: 0;
        line-height: 1;
        flex-shrink: 0;
        width: auto;
        height: auto;
    }

    .sidebar {
        display: flex;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        width: 260px;
        max-width: 80vw;
        transform: translateX(-100%);
        transition: transform .25s ease;
        z-index: 200;
        overflow-y: auto;
    }
    .sidebar.open { transform: translateX(0); }

    .sidebar-close-btn {
        display: block;
        margin-left: auto;
        background: none;
        border: none;
        color: #fff;
        font-size: 20px;
        cursor: pointer;
        margin-bottom: 12px;
    }

    .sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 150;
    }
    .sidebar-overlay.visible { display: block; }

    .main-content { padding: 16px; }
    .topbar { flex-wrap: wrap; gap: 10px; }
    .topbar h1 { font-size: 19px; }
    .user-chip span:nth-child(1) { display: none; }
    .user-chip { font-size: 12px; padding: 6px 10px; gap: 6px; }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 14px; }
    .stat-card .value { font-size: 20px; }
    .card { padding: 14px; overflow-x: auto; }
    .card table.sp-table { min-width: 640px; }
}