/* ===== GENEL ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --success: #16a34a;
    --danger: #dc2626;
    --warning: #d97706;
    --info: #0891b2;
    --bg: #f1f5f9;
    --card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --muted: #64748b;
    --sidebar-w: 240px;
}

body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    min-height: 100vh;
}

/* ===== LAYOUT ===== */
.layout { display: flex; min-height: 100vh; }

.sidebar {
    width: var(--sidebar-w);
    background: #1e293b;
    color: #cbd5e1;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-logo {
    padding: 20px 16px;
    border-bottom: 1px solid #334155;
    display: flex;
    align-items: center;
    gap: 10px;
}

.sidebar-logo .icon { font-size: 24px; }
.sidebar-logo h1 { font-size: 14px; font-weight: 700; color: #f1f5f9; line-height: 1.2; }
.sidebar-logo small { font-size: 11px; color: #94a3b8; }

.sidebar-nav { padding: 12px 0; flex: 1; }

.nav-group-title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #475569;
    padding: 12px 16px 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    color: #94a3b8;
    text-decoration: none;
    transition: all 0.15s;
    font-size: 13px;
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.nav-link:hover { background: #334155; color: #f1f5f9; }
.nav-link.active { background: var(--primary); color: #fff; }
.nav-link .icon { font-size: 16px; width: 20px; text-align: center; }

.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.topbar {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.topbar h2 { font-size: 16px; font-weight: 600; }
.topbar-actions { display: flex; gap: 8px; align-items: center; }

.page-content { padding: 24px; flex: 1; }

/* ===== KARTLAR ===== */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}

.card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-header h3 { font-size: 14px; font-weight: 600; }
.card-body { padding: 18px; }

/* ===== STAT KARTLARI ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
}

.stat-icon {
    width: 48px; height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-icon.blue { background: #dbeafe; }
.stat-icon.green { background: #dcfce7; }
.stat-icon.orange { background: #ffedd5; }
.stat-icon.red { background: #fee2e2; }
.stat-icon.purple { background: #f3e8ff; }

.stat-info .label { font-size: 12px; color: var(--muted); margin-bottom: 2px; }
.stat-info .value { font-size: 22px; font-weight: 700; }
.stat-info .sub { font-size: 11px; color: var(--muted); margin-top: 2px; }

/* ===== TABLO ===== */
.table-wrap { overflow-x: auto; }

table { width: 100%; border-collapse: collapse; }

th {
    background: #f8fafc;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    padding: 10px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

td {
    padding: 10px 14px;
    border-bottom: 1px solid #f1f5f9;
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: #f8fafc; }

/* ===== BADGE ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 9999px;
    font-size: 11px;
    font-weight: 600;
    white-space: nowrap;
}

.badge-blue { background: #dbeafe; color: #1d4ed8; }
.badge-green { background: #dcfce7; color: #15803d; }
.badge-orange { background: #ffedd5; color: #c2410c; }
.badge-red { background: #fee2e2; color: #b91c1c; }
.badge-gray { background: #f1f5f9; color: #475569; }
.badge-purple { background: #f3e8ff; color: #7e22ce; }

/* ===== BUTONLAR ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 14px;
    border-radius: 7px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-secondary { background: #f1f5f9; color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #e2e8f0; }
.btn-sm { padding: 4px 10px; font-size: 12px; }
.btn-icon { padding: 6px 8px; }

/* ===== FORM ===== */
.form-grid { display: grid; gap: 14px; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }

.form-group { display: flex; flex-direction: column; gap: 4px; }
.form-group label { font-size: 12px; font-weight: 500; color: var(--muted); }

.form-control {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 13px;
    outline: none;
    transition: border-color 0.15s;
    width: 100%;
    background: #fff;
}

.form-control:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,0.1); }
select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

/* ===== MODAL ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
    background: #fff;
    border-radius: 12px;
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px);
    transition: transform 0.2s;
}

.modal-overlay.open .modal { transform: translateY(0); }
.modal-lg { max-width: 820px; }
.modal-xl { max-width: 1000px; }

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 { font-size: 15px; font-weight: 600; }
.modal-body { padding: 20px; }
.modal-footer {
    padding: 14px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 8px;
}

.btn-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--muted);
    padding: 2px 6px;
    border-radius: 4px;
}
.btn-close:hover { background: #f1f5f9; }

/* ===== ARAMA ===== */
.search-bar {
    display: flex;
    gap: 8px;
    align-items: center;
    flex: 1;
}

.search-input {
    position: relative;
    flex: 1;
    max-width: 300px;
}

.search-input input { padding-left: 34px; }
.search-input .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--muted);
    font-size: 14px;
}

/* ===== TOAST ===== */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    background: #1e293b;
    color: #fff;
    padding: 12px 18px;
    border-radius: 8px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 240px;
    max-width: 360px;
    animation: slideIn 0.3s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.warning { border-left: 4px solid var(--warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ===== PARA FORMATI ===== */
.money { font-family: 'Courier New', monospace; font-weight: 600; }
.money-green { color: var(--success); }
.money-red { color: var(--danger); }

/* ===== TABS ===== */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab {
    padding: 10px 18px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--muted);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all 0.15s;
}
.tab:hover { color: var(--primary); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ===== YUKLENİYOR ===== */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--muted);
    gap: 10px;
}

.spinner {
    width: 20px; height: 20px;
    border: 2px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ===== BOŞ DURUM ===== */
.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--muted);
}

.empty-state .icon { font-size: 48px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ===== HAREKET TABLOSU ===== */
.hareket-giris { color: var(--success); }
.hareket-cikis { color: var(--danger); }

/* ===== FİLTRE ===== */
.filter-bar {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root { --sidebar-w: 0px; }
    .sidebar { transform: translateX(-100%); transition: transform 0.3s; }
    .sidebar.open { transform: translateX(0); width: 240px; }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .form-grid-2, .form-grid-3 { grid-template-columns: 1fr; }
}

/* ===== FATURA KALEMİ ===== */
.kalem-satir { display: grid; grid-template-columns: 1fr 80px 80px 110px 100px 40px; gap: 8px; align-items: center; }
.kalem-satir + .kalem-satir { margin-top: 8px; }

/* ===== DURUM RENKLERI ===== */
.durum-beklemede { color: var(--warning); }
.durum-yolda { color: var(--primary); }
.durum-teslim_edildi { color: var(--success); }
.durum-iptal { color: var(--danger); }