/* Fiyat Teklif Yönetim Paneli - Küresel CSS Tasarım Sistemi */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Outfit:wght@400;600;700;800&display=swap');

:root {
    /* Buriş Kurumsal Renk Tanımları */
    --primary: #fcc01a;          /* Buriş Canlı Sarı */
    --primary-hover: #e0a500;    /* Koyu Sarı */
    --primary-light: rgba(252, 192, 26, 0.1);
    
    --secondary: #1a1a1a;        /* Buriş Siyah / Antrasit */
    --secondary-hover: #000000;
    
    --success: #10b981;
    --warning: #fcc01a;
    --danger: #ef4444;
    --info: #0ea5e9;
    
    /* Açık Tema Değişkenleri (Müşteri Portalı İçin) */
    --bg-light: #f4f6f9;
    --card-bg-light: #ffffff;
    --text-light-main: #1a1a1a;
    --text-light-muted: #64748b;
    --border-light: #e2e8f0;
    
    /* Koyu Tema Değişkenleri (Yönetici Paneli İçin - Buriş Temalı) */
    --bg-dark: #0f1013;
    --sidebar-bg: #16171c;
    --card-bg-dark: rgba(22, 23, 28, 0.8);
    --text-dark-main: #f8fafc;
    --text-dark-muted: #94a3b8;
    --border-dark: rgba(255, 255, 255, 0.08);
    
    /* Diğer Ortak Değişkenler */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 6px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.15);
    --transition: all 0.2s ease-in-out;
    --font: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

/* SIFIRLAMA (RESET) */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: var(--font);
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--bg-light);
    color: var(--text-light-main);
    line-height: 1.5;
    overflow-x: hidden;
}

/* YÖNETİCİ MODU AYARLARI (Koyu Tema) */
body.admin-mode {
    background-color: var(--bg-dark);
    color: var(--text-dark-main);
}

/* MİKRO ANIMASYONLAR */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(15px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* MÜŞTERİ PORTALI ARAYÜZÜ */
.client-container {
    max-width: 950px;
    margin: 40px auto;
    padding: 0 20px;
    animation: fadeInUp 0.5s ease;
}

.client-header {
    text-align: center;
    margin-bottom: 35px;
}

.client-header h1 {
    font-family: var(--font-heading);
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.client-header h1 span.highlight {
    background: #fcc01a;
    color: #000;
    padding: 2px 10px;
    border-radius: 4px;
}

.client-header p {
    color: var(--text-light-muted);
    font-size: 15px;
    font-weight: 500;
}

.card {
    background: var(--card-bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 30px;
    transition: var(--transition);
    margin-bottom: 25px;
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 3px solid var(--primary);
    padding-bottom: 6px;
    width: fit-content;
}

body.admin-mode .section-title {
    color: #fff;
}

/* FORM ELEMENTLERİ */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.form-grid.full-width {
    grid-template-columns: 1fr;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.col-span-2 {
    grid-column: span 2;
}

label {
    font-size: 12px;
    font-weight: 700;
    color: #334155;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

body.admin-mode label {
    color: var(--text-dark-muted);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="number"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid #cbd5e1;
    border-radius: var(--radius-sm);
    font-size: 14px;
    background-color: #fff;
    color: var(--text-light-main);
    transition: var(--transition);
}

body.admin-mode input[type="text"],
body.admin-mode input[type="email"],
body.admin-mode input[type="tel"],
body.admin-mode input[type="number"],
body.admin-mode input[type="password"],
body.admin-mode select,
body.admin-mode textarea {
    background-color: #1c1d22;
    border-color: #2e3039;
    color: var(--text-dark-main);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* DİNAMİK MALZEME TABLOSU */
.material-table-container {
    margin-bottom: 25px;
    overflow-x: auto;
}

.material-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
}

.material-table th {
    background-color: #f1f5f9;
    color: #475569;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    padding: 10px;
    text-align: left;
    border-bottom: 2px solid #e2e8f0;
}

body.admin-mode .material-table th {
    background-color: #1c1d22;
    color: var(--text-dark-muted);
    border-bottom-color: #2e3039;
}

.material-table td {
    padding: 10px 6px;
    border-bottom: 1px solid #e2e8f0;
}

body.admin-mode .material-table td {
    border-bottom-color: #2e3039;
}

/* BUTONLAR */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    background: var(--primary);
    color: #000;
    box-shadow: 0 3px 8px rgba(252, 192, 26, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: #e2e8f0;
    color: #334155;
    border: 1px solid #cbd5e1;
}

body.admin-mode .btn-secondary {
    background: #1c1d22;
    color: #cbd5e1;
    border-color: #2e3039;
}

.btn-secondary:hover {
    background: #cbd5e1;
}

body.admin-mode .btn-secondary:hover {
    background: #2e3039;
}

.btn-danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background-color: var(--danger);
    color: #fff;
}

.btn-success {
    background-color: #10b981;
    color: #fff;
}

.btn-success:hover {
    background-color: #059669;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 11px;
    border-radius: 4px;
}

/* YÖNETİM PANELİ (DASHBOARD) LAYOUT */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.sidebar {
    width: 270px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--border-dark);
    display: flex;
    flex-direction: column;
    padding: 25px 15px;
    position: fixed;
    height: 100vh;
    left: 0;
    top: 0;
    z-index: 100;
}

.sidebar-brand {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 35px;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 2px solid var(--primary);
    padding-bottom: 15px;
}

.sidebar-brand span {
    color: var(--primary);
}

.sidebar-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.sidebar-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    color: var(--text-dark-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.sidebar-item a:hover,
.sidebar-item.active a {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.03);
}

.sidebar-item.active a {
    background-color: var(--primary);
    color: #000;
}

.sidebar-footer {
    margin-top: auto;
    border-top: 1px solid var(--border-dark);
    padding-top: 15px;
}

/* ANA İÇERİK ALANI */
.admin-content {
    flex: 1;
    margin-left: 270px;
    padding: 30px;
    min-height: 100vh;
}

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-dark);
    padding-bottom: 15px;
}

.admin-header-title h1 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
}

.admin-header-title p {
    color: var(--text-dark-muted);
    font-size: 13px;
    margin-top: 2px;
}

/* İSTATİSTİKLER */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.stat-info h3 {
    font-size: 11px;
    color: var(--text-dark-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-info p {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    margin-top: 5px;
}

.stat-icon {
    font-size: 24px;
    width: 44px;
    height: 44px;
    background-color: rgba(255,255,255,0.02);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* TABLOLAR (ADMIN) */
.admin-card {
    background: var(--card-bg-dark);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 25px;
    margin-bottom: 25px;
}

.table-responsive {
    overflow-x: auto;
    width: 100%;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

.admin-table th {
    padding: 12px 14px;
    border-bottom: 1.5px solid var(--border-dark);
    color: var(--text-dark-muted);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.admin-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-dark);
    color: var(--text-dark-main);
    font-size: 13px;
}

.admin-table tr:hover td {
    background-color: rgba(255,255,255,0.01);
}

/* BADGELER (ETİKETLER) */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 10px;
    font-weight: 700;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-warning { background-color: rgba(252, 192, 26, 0.15); color: var(--primary); }
.badge-success { background-color: rgba(16, 185, 129, 0.15); color: var(--success); }
.badge-info { background-color: rgba(14, 165, 233, 0.15); color: var(--info); }
.badge-danger { background-color: rgba(239, 68, 68, 0.15); color: var(--danger); }
.badge-secondary { background-color: rgba(148, 163, 184, 0.15); color: var(--text-dark-muted); }

/* GİRİŞ EKRANI */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-dark);
}

.login-card {
    max-width: 400px;
    width: 100%;
    background: #16171c;
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-md);
    padding: 35px;
    box-shadow: var(--shadow-lg);
}

.login-card h2 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 6px;
    text-align: center;
}

.login-card p {
    color: var(--text-dark-muted);
    font-size: 13px;
    text-align: center;
    margin-bottom: 25px;
}

/* ==========================================
   TEKLİF MEKTUBU A4 ŞABLON TASARIMI (BİREBİR SPREADSHEET GÖRÜNÜMÜ)
   ========================================== */
.teklif-actions {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    justify-content: flex-end;
}

.a4-wrapper {
    background-color: #e2e8f0;
    padding: 20px 0;
    overflow-x: auto;
}

#teklif-a4 {
    background-color: #ffffff;
    color: #000;
    width: 210mm;
    min-height: 297mm;
    padding: 10mm;
    margin: 0 auto;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
    font-size: 9px;
    line-height: 1.35;
    border: 1.5px solid #000;
    position: relative;
}

/* Sarı Başlık Bannerı */
.teklif-pdf-header-banner {
    background-color: #fcc01a;
    border-bottom: 1.5px solid #000;
    color: #000;
    padding: 15px 20px;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 800;
    text-align: right;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* Tarih ve Logo Bölümü (Üst Kısım) */
.teklif-pdf-top-bar {
    display: grid;
    grid-template-columns: 1.3fr 1.7fr;
    gap: 12px;
    margin-bottom: 12px;
}

.teklif-pdf-date-box {
    border: 1.5px solid #000;
    display: flex;
    flex-direction: column;
}

.teklif-pdf-date-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1.5px solid #000;
}

.teklif-pdf-date-row:last-child {
    border-bottom: none;
}

.teklif-pdf-date-lbl {
    background-color: #f1f5f9;
    font-weight: 700;
    padding: 5px 8px;
    text-align: left;
    border-right: 1.5px solid #000;
    text-transform: uppercase;
}

.teklif-pdf-date-val {
    padding: 5px 8px;
    text-align: right;
    font-weight: 600;
}

.teklif-pdf-logo-box {
    border: 1.5px solid #000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 8px;
    text-align: center;
    background-color: #ffffff;
}

.teklif-pdf-logo-box img {
    max-width: 170px;
    max-height: 50px;
    object-fit: contain;
}

.teklif-pdf-logo-fallback {
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 800;
    color: #000;
    text-transform: uppercase;
}

.teklif-pdf-logo-sub {
    font-size: 7px;
    font-weight: 700;
    margin-top: 2px;
    color: #475569;
}

/* Structured Metagrid (Cari ve İletişim Bilgileri) */
.teklif-pdf-metagrid {
    border: 1.5px solid #000;
    display: flex;
    flex-direction: column;
    margin-bottom: 12px;
}

.teklif-pdf-meta-row {
    display: grid;
    grid-template-columns: 1.2fr 3.8fr;
    border-bottom: 1.5px solid #000;
}

.teklif-pdf-meta-row:last-child {
    border-bottom: none;
}

.teklif-pdf-meta-lbl {
    background-color: #f1f5f9;
    font-weight: 700;
    padding: 5px 8px;
    border-right: 1.5px solid #000;
    text-transform: uppercase;
    display: flex;
    align-items: center;
}

.teklif-pdf-meta-val {
    padding: 5px 8px;
    font-weight: 600;
    display: flex;
    align-items: center;
    color: #1e293b;
    word-break: break-all;
}

/* Teklif Süresi & İmza Kaşe Bölümü */
.teklif-pdf-midgrid {
    display: grid;
    grid-template-columns: 1.8fr 1.2fr;
    gap: 12px;
    margin-bottom: 12px;
}

.teklif-pdf-midgrid-left {
    border: 1.5px solid #000;
    display: flex;
    flex-direction: column;
}

.teklif-pdf-midgrid-left-row {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    border-bottom: 1.5px solid #000;
}

.teklif-pdf-midgrid-left-row:last-child {
    border-bottom: none;
}

.teklif-pdf-midgrid-left-lbl {
    background-color: #f1f5f9;
    font-weight: 700;
    padding: 5px 8px;
    border-right: 1.5px solid #000;
    text-transform: uppercase;
}

.teklif-pdf-midgrid-left-val {
    padding: 5px 8px;
    font-weight: 600;
}

.teklif-pdf-midgrid-right {
    border: 1.5px solid #000;
    display: flex;
    flex-direction: column;
    padding: 5px;
    text-align: center;
}

.teklif-pdf-midgrid-right-lbl {
    font-weight: 700;
    text-decoration: underline;
    text-transform: uppercase;
    margin-bottom: 3px;
    font-size: 8px;
}

.teklif-pdf-stamp-box {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 45px;
    border: 1px dashed #94a3b8;
    background-color: #fcfcfc;
    border-radius: 4px;
    color: #94a3b8;
    font-size: 8px;
}

/* Spreadsheet Tablo Tasarımı */
.teklif-pdf-table {
    width: 100%;
    border-collapse: collapse;
    border: 1.5px solid #000;
    margin-bottom: 12px;
}

.teklif-pdf-table th {
    background-color: #fcc01a;
    color: #000;
    font-weight: 800;
    font-size: 9px;
    text-transform: uppercase;
    border: 1.5px solid #000;
    padding: 5px 4px;
    text-align: center;
}

.teklif-pdf-table td {
    border: 1.5px solid #000;
    padding: 4px 6px;
    height: 20px;
    box-sizing: border-box;
    font-size: 8.5px;
    color: #000;
}

.teklif-pdf-table tr.item-row td {
    font-weight: 700;
}

/* Finansal Toplamlar */
.teklif-pdf-totals-section {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 12px;
}

.teklif-pdf-totals-table {
    width: 240px;
    border-collapse: collapse;
    border: 1.5px solid #000;
}

.teklif-pdf-totals-table td {
    border: 1.5px solid #000;
    padding: 4px 8px;
    font-size: 8.5px;
}

.teklif-pdf-totals-table td.lbl {
    background-color: #f1f5f9;
    font-weight: 700;
    text-transform: uppercase;
}

.teklif-pdf-totals-table td.val {
    text-align: right;
    font-weight: 700;
}

.teklif-pdf-totals-table tr.grand-total td {
    background-color: #fcc01a;
    color: #000;
    font-weight: 800;
    font-size: 10px;
    border-top: 1.5px solid #000;
}

/* Satış ve Ödeme Koşulları */
.teklif-pdf-section-header {
    background-color: #fcc01a;
    border: 1.5px solid #000;
    color: #000;
    font-weight: 800;
    font-size: 9px;
    text-transform: uppercase;
    padding: 3px 10px;
    margin-bottom: 2px;
    letter-spacing: 0.5px;
}

.teklif-pdf-conditions-box {
    border: 1.5px solid #000;
    padding: 8px;
    margin-bottom: 12px;
    font-size: 7.5px;
    line-height: 1.35;
    background-color: #ffffff;
    color: #1e293b;
}

.teklif-pdf-conditions-box p {
    margin-bottom: 3px;
}
.teklif-pdf-conditions-box p:last-child {
    margin-bottom: 0;
}

/* Çözüm Ortakları */
.teklif-pdf-partners-box {
    border: 1.5px solid #000;
    padding: 8px;
    margin-bottom: 12px;
    background-color: #ffffff;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 6px 12px;
}

.teklif-pdf-partner-logo {
    font-family: var(--font-heading);
    font-size: 10px;
    font-weight: 800;
    color: #475569;
    letter-spacing: -0.5px;
    text-transform: uppercase;
}

/* A4 Footer Bar */
.teklif-pdf-footer-bar {
    background-color: #fcc01a;
    border: 1.5px solid #000;
    color: #000;
    padding: 8px;
    text-align: center;
    font-weight: 700;
    font-size: 7.5px;
    line-height: 1.35;
}

.teklif-pdf-footer-bar strong {
    font-size: 8.5px;
    text-transform: uppercase;
}

/* YAZDIRMA (PRINT) MEDYA KURALLARI */
@media print {
    body * {
        visibility: hidden;
    }
    #teklif-a4, #teklif-a4 * {
        visibility: visible;
    }
    #teklif-a4 {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        box-shadow: none;
        padding: 0;
        margin: 0;
        border: none;
    }
    .teklif-actions {
        display: none !important;
    }
}

/* ALERT / BİLDİRİM */
.alert {
    padding: 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background-color: rgba(16, 185, 129, 0.1); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.alert-danger { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }

/* MOBİL DUYARLILIK (RESPONSIVE) */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .admin-layout {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        position: relative;
        padding: 20px;
        border-right: none;
        border-bottom: 1px solid var(--border-dark);
    }
    .admin-content {
        margin-left: 0;
        padding: 20px;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .form-grid {
        grid-template-columns: 1fr;
    }
    .form-group.col-span-2 {
        grid-column: span 1;
    }
}