:root[data-theme="dark"] {
    --bg-base: #0f172a;
    --bg-surface: #1e293b;
    --bg-table-header: #1e293b;
    --bg-table-row: #0f172a;
    --bg-table-hover: #1e293b;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --accent-glow: rgba(59, 130, 246, 0.25);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-dim: #64748b;
    --border-glass: #334155;
    --badge-bg: rgba(59, 130, 246, 0.12);
    --badge-text: #60a5fa;
    --phone-bg: rgba(16, 185, 129, 0.12);
    --phone-text: #34d399;
    --modal-bg: #1e293b;
    --modal-header-bg: #0f172a;
    --card-item-bg: #0f172a;
    --notes-box-bg: #0b1120;
    --notes-box-text: #cbd5e1;
    --bg-input: #0f172a;
}

:root[data-theme="light"] {
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-table-header: #f1f5f9;
    --bg-table-row: #ffffff;
    --bg-table-hover: #f8fafc;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.2);
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --border-glass: #e2e8f0;
    --badge-bg: rgba(37, 99, 235, 0.1);
    --badge-text: #2563eb;
    --phone-bg: rgba(16, 185, 129, 0.1);
    --phone-text: #059669;
    --modal-bg: #ffffff;
    --modal-header-bg: #f8fafc;
    --card-item-bg: #f8fafc;
    --notes-box-bg: #f1f5f9;
    --notes-box-text: #334155;
    --bg-input: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Plus Jakarta Sans', sans-serif;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

body {
    background: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    padding: 2rem 1.5rem 4rem 1.5rem;
}

.container {
    max-width: 1440px;
    margin: 0 auto;
}

/* Header */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-glass);
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.brand-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.1));
}

.title-area h1 {
    font-size: 1.85rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.02em;
    margin: 0;
    line-height: 1.2;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.btn-theme-toggle, .btn-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.65rem 1.1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 0.75rem;
    color: var(--text-main);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    user-select: none;
    transition: all 0.2s ease;
}

.btn-action-primary {
    background: var(--accent);
    color: #ffffff;
    border: none;
}

.btn-action-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-theme-toggle:hover, .btn-action:hover {
    border-color: var(--accent);
    transform: translateY(-1px);
}

.stats-badge {
    padding: 0.65rem 1.2rem;
    background: var(--badge-bg);
    color: var(--badge-text);
    border: 1px solid var(--border-glass);
    border-radius: 0.75rem;
    font-weight: 700;
    font-size: 0.9rem;
    white-space: nowrap;
}

/* Controls / Search */
.controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    background: var(--bg-surface);
    padding: 0.75rem 1rem;
    border-radius: 1rem;
    border: 1px solid var(--border-glass);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 1rem;
    z-index: 50;
}

[data-theme="dark"] .controls {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

/* Alphabet filter */
.alphabet-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.alphabet-filter .alpha-btn {
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: 0.4rem;
    padding: 0.3rem 0.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-main);
    transition: all 0.15s ease;
}

.alphabet-filter .alpha-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.alphabet-filter .alpha-btn.active {
    background: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

/* Pager */
.pager {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 1.25rem;
    padding: 0.75rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 0.75rem;
}

.pager-nav {
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.pager-page-size {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.88rem;
    color: var(--text-muted);
    font-weight: 600;
}

.pager-select {
    background: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    border-radius: 0.5rem;
    padding: 0.35rem 0.6rem;
    font-family: inherit;
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    outline: none;
    transition: border-color 0.2s;
}

.pager-select:focus {
    border-color: var(--accent);
}

.pager button {
    background: var(--bg-input);
    color: var(--text-main);
    border: 1px solid var(--border-glass);
    border-radius: 0.5rem;
    padding: 0.4rem 0.85rem;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pager button:hover:not(:disabled) {
    border-color: var(--accent);
    color: var(--accent);
}

.pager button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.search-box {
    flex: 1;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.8rem;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: 0.75rem;
    color: var(--text-main);
    font-size: 0.95rem;
    outline: none;
}

.search-box input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-icon {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    fill: var(--text-muted);
    pointer-events: none;
}

/* Table Design */
.table-wrapper {
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 25px rgba(0,0,0,0.05);
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.92rem;
}

thead {
    background: var(--bg-table-header);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 10;
}

th {
    padding: 1rem 1.2rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
}

th:hover {
    color: var(--accent);
}

th .sort-icon {
    display: inline-block;
    margin-left: 0.4rem;
    opacity: 0.4;
    font-size: 0.75rem;
}

th.active-sort {
    color: var(--accent);
}

th.active-sort .sort-icon {
    opacity: 1;
}

tbody tr {
    background: var(--bg-table-row);
    border-bottom: 1px solid var(--border-glass);
    cursor: pointer;
}

tbody tr:hover {
    background: var(--bg-table-hover);
}

td {
    padding: 0.85rem 1.2rem;
    vertical-align: middle;
    color: var(--text-main);
}

.td-firma {
    font-weight: 700;
    font-size: 0.98rem;
    color: var(--text-main);
    max-width: 320px;
}

.td-yetkili {
    color: var(--accent);
    font-weight: 600;
}

.td-phone {
    white-space: nowrap;
}

.td-phone-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--phone-bg);
    color: var(--phone-text);
    padding: 0.3rem 0.65rem;
    border-radius: 0.5rem;
    font-weight: 600;
    font-size: 0.86rem;
    border: 1px solid rgba(16, 185, 129, 0.2);
    text-decoration: none;
}

.td-phone-chip:hover {
    background: rgba(16, 185, 129, 0.2);
}

.badge-more {
    display: inline-block;
    margin-left: 0.4rem;
    padding: 0.2rem 0.45rem;
    background: var(--border-glass);
    color: var(--text-muted);
    border-radius: 0.4rem;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-note {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.55rem;
    background: rgba(245, 158, 11, 0.12);
    color: #f59e0b;
    border: 1px solid rgba(245, 158, 11, 0.25);
    border-radius: 0.45rem;
    font-size: 0.78rem;
    font-weight: 600;
}

.empty-row td {
    text-align: center;
    padding: 4rem;
    color: var(--text-dim);
    font-size: 1.1rem;
}

/* MODAL / POPUP CARD */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.65);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
    padding: 1.5rem;
}

.modal-backdrop.show {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    background: var(--modal-bg);
    border: 1px solid var(--border-glass);
    border-radius: 1rem;
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0,0,0,0.35);
    transform: translateY(15px) scale(0.98);
    transition: transform 0.2s ease;
    position: relative;
}

.modal-backdrop.show .modal-card {
    transform: translateY(0) scale(1);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    background: var(--modal-header-bg);
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.modal-title-group {
    flex: 1;
    display: flex;
    align-items: center;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-main);
    line-height: 1.3;
}

/* Profesyonel Form Input: Firma Adı */
.edit-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: 0.6rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1.05rem;
    font-weight: 600;
    padding: 0.6rem 0.85rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.edit-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.edit-input::placeholder {
    color: var(--text-dim);
    font-weight: 500;
}

/* Modal Aksiyon Butonları */
.btn-edit-toggle {
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    color: var(--text-main);
    padding: 0.45rem 0.9rem;
    border-radius: 0.6rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: all 0.15s ease;
}

.btn-edit-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-edit-toggle.active {
    background: #10b981;
    color: #ffffff;
    border-color: #10b981;
}

.btn-edit-toggle.active:hover {
    background: #059669;
    border-color: #059669;
    color: #ffffff;
}

.btn-delete-record {
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    color: #ef4444;
    width: 34px;
    height: 34px;
    border-radius: 0.6rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.15s ease;
}

.btn-delete-record:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: #ef4444;
}

.btn-close {
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    width: 34px;
    height: 34px;
    border-radius: 0.6rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all 0.15s ease;
}

.btn-close:hover {
    background: rgba(239, 68, 68, 0.12);
    border-color: #ef4444;
    color: #ef4444;
}

.modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.detail-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.6rem;
}

.detail-section-title {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-delete-item {
    background: transparent;
    border: none;
    color: #ef4444;
    cursor: pointer;
    font-size: 1rem;
    padding: 0 0.2rem;
    line-height: 1;
    border-radius: 0.3rem;
    flex-shrink: 0;
}

.btn-delete-item:hover {
    background: rgba(239, 68, 68, 0.12);
}

.drag-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.drag-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--card-item-bg);
    border: 1px solid var(--border-glass);
    border-radius: 0.65rem;
    padding: 0.6rem 0.85rem;
    cursor: grab;
    user-select: none;
}

.drag-item:active {
    cursor: grabbing;
}

.drag-item.dragging {
    opacity: 0.45;
    border: 1px dashed var(--accent);
}

.drag-item.drag-over {
    border-top: 2px solid var(--accent);
    transform: translateY(2px);
}

.drag-handle {
    color: var(--text-dim);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.drag-content {
    flex: 1;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.primary-tag {
    font-size: 0.7rem;
    padding: 0.15rem 0.45rem;
    background: var(--badge-bg);
    color: var(--badge-text);
    border-radius: 0.35rem;
    border: 1px solid var(--border-glass);
    font-weight: 700;
}

.btn-call-mini {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: var(--phone-bg);
    color: var(--phone-text);
    padding: 0.3rem 0.65rem;
    border-radius: 0.45rem;
    font-size: 0.82rem;
    text-decoration: none;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn-add-item {
    background: transparent;
    border: 1px dashed var(--border-glass);
    color: var(--text-muted);
    border-radius: 0.65rem;
    padding: 0.5rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: all 0.2s ease;
}

.btn-add-item:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--badge-bg);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

.info-box {
    background: var(--card-item-bg);
    border: 1px solid var(--border-glass);
    border-radius: 0.75rem;
    padding: 0.85rem;
}

.info-box a {
    color: var(--accent);
    text-decoration: none;
    word-break: break-all;
}

.info-box a:hover {
    text-decoration: underline;
}

.notes-formatted-box {
    background: var(--notes-box-bg);
    border: 1px solid var(--border-glass);
    border-left: 4px solid var(--accent);
    border-radius: 0.75rem;
    padding: 1rem 1.25rem;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--notes-box-text);
    white-space: pre-wrap;
    word-break: break-word;
}

/* Düzenleme textarea */
.edit-textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-glass);
    border-radius: 0.6rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.9rem;
    line-height: 1.6;
    padding: 0.7rem 0.9rem;
    resize: vertical;
    margin-top: 0.4rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.edit-textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Toast bildirim */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: #10b981;
    color: #ffffff;
    padding: 0.8rem 1.4rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 0.92rem;
    box-shadow: 0 10px 25px rgba(0,0,0,0.25);
    display: none;
    z-index: 1000;
}