/* ==========================================================================
   BUTTONS — أزرار تنفيذية منضبطة وبلا استعراض مصطنع
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: 0.55rem 1.15rem;
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    line-height: 1.4;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:disabled, .btn.disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary Button: Deep Navy Ink */
.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: #0B192C;
    box-shadow: 0 1px 2px rgba(15, 32, 56, 0.12);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    color: var(--color-text-inverse);
    border-color: #0F2038;
    box-shadow: 0 3px 6px rgba(15, 32, 56, 0.16);
    transform: translateY(-1px);
}

/* Secondary Button: Crisp Architectural Paper */
.btn-secondary {
    background-color: #FFFFFF;
    color: var(--color-text-main);
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
}
.btn-secondary:hover {
    background-color: var(--color-bg);
    border-color: #C8CDD6;
    color: var(--color-text-main);
}

/* Accent Metallic Button: Muted Gold */
.btn-accent {
    background-color: var(--color-accent);
    color: #FFFFFF;
    border-color: #9E731D;
    box-shadow: 0 1px 2px rgba(179, 135, 40, 0.2);
}
.btn-accent:hover {
    background-color: var(--color-accent-hover);
    color: #FFFFFF;
    transform: translateY(-1px);
}

/* Danger Button: Crimson Wine */
.btn-danger {
    background-color: var(--color-danger);
    color: var(--color-text-inverse);
    border-color: #731A26;
}
.btn-danger:hover {
    background-color: var(--color-danger-hover);
    color: var(--color-text-inverse);
    transform: translateY(-1px);
}

.btn-danger-light {
    background-color: var(--color-danger-light);
    color: var(--color-danger-text);
    border-color: var(--color-danger-border);
}
.btn-danger-light:hover {
    background-color: #F5E2E6;
}

/* Success Button: Forest Green */
.btn-success {
    background-color: var(--color-success);
    color: var(--color-text-inverse);
    border-color: #143B2F;
}
.btn-success:hover {
    background-color: var(--color-success-hover);
    color: var(--color-text-inverse);
}

.btn-sm {
    padding: 0.35rem 0.7rem;
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}

.btn-lg {
    padding: 0.8rem 1.6rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-md);
}

.btn-icon {
    padding: 0.45rem;
    border-radius: var(--radius-md);
    background: transparent;
    border: 1px solid transparent;
    color: var(--color-text-muted);
}
.btn-icon:hover {
    background: var(--color-bg);
    color: var(--color-text-main);
}

/* ==========================================================================
   CARDS — بطاقات نقية بحدود شعرية رقيقة وبلا ظلال جانبية أو تدوير مفرط
   ========================================================================== */
.card {
    background-color: var(--color-card-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: none;
    overflow: hidden;
    margin-bottom: var(--spacing-6);
    transition: border-color var(--transition-fast);
}

.card:hover {
    border-color: #CBD3DE;
}

/* إلغاء البطاقات المتداخلة تلقائياً لمنع التكرار البصري */
.card .card {
    border: none;
    box-shadow: none;
    background: transparent;
    border-radius: 0;
    margin-bottom: var(--spacing-4);
    padding: 0;
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--color-border);
    background-color: #FFFFFF;
}

.card-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-main);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.card-subtitle {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: 3px;
    font-weight: 400;
    line-height: 1.4;
}

.card-body {
    padding: var(--spacing-6);
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-card-subtle);
}

/* ==========================================================================
   FORMS & INPUTS — حقول إدخال نظيفة ومتجاوبة بدقة
   ========================================================================== */
.form-group {
    margin-bottom: var(--spacing-5);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-main);
    margin-bottom: var(--spacing-2);
}

.form-label .required {
    color: var(--color-danger);
    margin-right: 2px;
}

.form-control, .form-select, .form-textarea {
    width: 100%;
    padding: 0.6rem 0.85rem;
    font-size: var(--font-size-sm);
    color: var(--color-text-main);
    background-color: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 32, 56, 0.08);
}

.form-control.is-invalid, .form-select.is-invalid {
    border-color: var(--color-danger);
}
.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(140, 36, 51, 0.1);
}

.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    margin-top: var(--spacing-1);
    display: flex;
    align-items: center;
    gap: 4px;
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--spacing-1);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-4);
}

/* ==========================================================================
   BADGES — شارات رصينة بأحبار وأرضيات متزنة
   ========================================================================== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 0.2rem 0.6rem;
    font-size: var(--font-size-xs);
    font-weight: 600;
    border-radius: var(--radius-sm);
    line-height: 1.3;
}

.badge-success {
    background-color: var(--color-success-light);
    color: var(--color-success-text);
    border: 1px solid var(--color-success-border);
}

.badge-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning-text);
    border: 1px solid var(--color-warning-border);
}

.badge-danger {
    background-color: var(--color-danger-light);
    color: var(--color-danger-text);
    border: 1px solid var(--color-danger-border);
}

.badge-info {
    background-color: var(--color-info-light);
    color: var(--color-info-text);
    border: 1px solid var(--color-info-border);
}

.badge-primary {
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    border: 1px solid var(--color-primary-border);
}

.badge-neutral {
    background-color: #F2F4F7;
    color: #344054;
    border: 1px solid #E4E7EC;
}

.badge-accent {
    background-color: var(--color-accent-light);
    color: var(--color-accent-hover);
    border: 1px solid var(--color-accent-border);
}

/* ==========================================================================
   TABLES — نمط الدفتر المحاسبي المحكم (Ledger Aesthetic)
   ========================================================================== */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    border-radius: var(--radius-lg);
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    text-align: right;
}

.table th {
    background-color: #F8F9FB;
    color: var(--color-text-muted);
    font-weight: 600;
    font-size: var(--font-size-xs);
    letter-spacing: 0.3px;
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--color-border);
    white-space: nowrap;
}

.table td {
    padding: var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-text-main);
    border-bottom: 1px solid var(--color-border-subtle);
    vertical-align: middle;
}

.table tr:last-child td {
    border-bottom: none;
}

.table-hover tbody tr:hover {
    background-color: #F7F9FC;
}

/* ==========================================================================
   LEDGER TABLE (دفتر الأستاذ المحاسبي المحكم — Apple HIG & Accounting Precision)
   ========================================================================== */
.table-ledger {
    width: 100%;
    min-width: 1540px;
    border-collapse: separate;
    border-spacing: 0;
    table-layout: fixed;
    background-color: #FFFFFF;
}

.table-ledger th {
    padding: 0.85rem 1rem;
    font-size: 12px;
    font-weight: 600;
    color: #334155;
    background-color: #F1F5F9;
    border-top: 1px solid #CBD5E1;
    border-bottom: 2px solid #CBD5E1;
    white-space: nowrap;
    line-height: 1.35;
    letter-spacing: 0.2px;
}

.table-ledger td {
    padding: 0.85rem 1rem;
    font-size: 13px;
    color: #0F172A;
    border-bottom: 1px solid #E2E8F0;
    vertical-align: middle;
    white-space: nowrap;
}

.table-ledger tbody tr:nth-child(even) td {
    background-color: #F8FAFC;
}

.table-ledger tbody tr:nth-child(odd) td {
    background-color: #FFFFFF;
}

.table-ledger tbody tr:hover td {
    background-color: #EEF2F6;
}

/* 1. Sequence Column */
.table-ledger .col-seq {
    width: 50px;
    text-align: center;
    color: #64748B;
    font-size: 12px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
}
.table-ledger th.col-seq {
    text-align: center;
}

/* 2. Date & Time Column */
.table-ledger .col-date {
    width: 135px;
    text-align: right;
    font-size: var(--font-size-xs);
    white-space: nowrap;
}
.table-ledger th.col-date {
    text-align: right;
}
.table-ledger .col-date .date-val {
    font-family: var(--font-mono);
    color: #0F172A;
    font-weight: 600;
    font-size: 12px;
    line-height: 1.3;
}
.table-ledger .col-date .time-val {
    font-family: var(--font-mono);
    color: #64748B;
    font-size: 11px;
    margin-top: 2px;
}

/* 3. Stage / Movement Type Column */
.table-ledger .col-stage {
    width: 145px;
    text-align: center;
    white-space: nowrap;
}
.table-ledger th.col-stage {
    text-align: center;
}
.table-ledger .col-stage .badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    font-size: 11.5px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    border: 1px solid transparent;
}
.table-ledger .col-stage .badge.badge-success {
    background-color: #ECFDF5;
    color: #065F46;
    border-color: #A7F3D0;
}
.table-ledger .col-stage .badge.badge-info {
    background-color: #EFF6FF;
    color: #1E40AF;
    border-color: #BFDBFE;
}
.table-ledger .col-stage .badge.badge-warning {
    background-color: #FFFBEB;
    color: #92400E;
    border-color: #FDE68A;
}
.table-ledger .col-stage .badge.badge-secondary,
.table-ledger .col-stage .badge.badge-neutral {
    background-color: #F1F5F9;
    color: #334155;
    border-color: #CBD5E1;
}

/* 4. Document Number Column */
.table-ledger .col-doc {
    width: 175px;
    text-align: center;
    white-space: nowrap !important;
}
.table-ledger th.col-doc {
    text-align: center;
}
.table-ledger .col-doc .doc-code {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.3px;
    white-space: nowrap !important;
    word-break: keep-all;
    background: #F8FAFC;
    color: var(--color-primary);
    border: 1px solid #CBD5E1;
    border-radius: var(--radius-sm);
    padding: 3px 8px;
    line-height: 1.3;
}
.table-ledger .col-doc a.doc-code {
    text-decoration: none;
    transition: all var(--transition-fast);
}
.table-ledger .col-doc a.doc-code:hover {
    color: #000000;
    background: #EDF2F7;
    border-color: #94A3B8;
}

/* 5. Warehouse Column */
.table-ledger .col-wh {
    width: 185px;
    text-align: right;
    white-space: nowrap;
}
.table-ledger th.col-wh {
    text-align: right;
}
.table-ledger .col-wh .wh-name {
    font-weight: 600;
    font-size: 13px;
    color: #0F172A;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 175px;
}
.table-ledger .col-wh .wh-code {
    font-size: 11px;
    color: #64748B;
    font-family: var(--font-mono);
    margin-top: 1px;
}

/* 6. Batch / Lot Column */
.table-ledger .col-batch {
    width: 115px;
    text-align: center;
    white-space: nowrap;
}
.table-ledger th.col-batch {
    text-align: center;
}
.table-ledger .col-batch .badge-batch {
    display: inline-block;
    padding: 2px 8px;
    font-size: 11px;
    font-family: var(--font-mono);
    font-weight: 600;
    background: #FFFDF5;
    color: #78350F;
    border: 1px solid #F3E8C8;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

/* 7 & 8. Inflow & Outflow Quantity Columns */
.table-ledger .col-num {
    width: 95px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 13px;
    white-space: nowrap;
}
.table-ledger th.col-num {
    text-align: center;
}
.table-ledger .col-num.qty-in {
    color: #065F46;
}
.table-ledger .col-num.qty-out {
    color: #991B1B;
}

/* 9 & 10. Cost & Valuation Currency Columns */
.table-ledger .col-currency {
    width: 155px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    white-space: nowrap !important;
}
.table-ledger th.col-currency {
    text-align: right;
    white-space: nowrap !important;
}
.table-ledger .col-currency span {
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: baseline;
    flex-wrap: nowrap !important;
}
.table-ledger .col-currency .amount-val {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: 13px;
    color: #0F172A;
    white-space: nowrap !important;
    flex-shrink: 0;
}
.table-ledger .col-currency .currency-sym {
    display: inline-block;
    font-size: 11px;
    color: #64748B;
    font-weight: 500;
    margin-inline-start: 4px;
    white-space: nowrap !important;
    flex-shrink: 0;
}

/* 11. Balance After Column */
.table-ledger .col-balance {
    width: 130px;
    text-align: center;
    font-variant-numeric: tabular-nums;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 13px;
    color: var(--color-primary);
    white-space: nowrap !important;
}
.table-ledger th.col-balance {
    text-align: center;
    white-space: nowrap !important;
}
.table-ledger .col-balance span {
    white-space: nowrap !important;
    display: inline-flex !important;
    align-items: baseline;
    flex-wrap: nowrap !important;
}
.table-ledger .col-balance .unit-label {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    color: #64748B;
    margin-inline-start: 3px;
    white-space: nowrap !important;
    flex-shrink: 0;
}

/* 12. Audited User Column */
.table-ledger .col-user {
    width: 150px;
    text-align: right;
    font-size: 12px;
    color: #475569;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.table-ledger th.col-user {
    text-align: right;
}

/* ==========================================================================
   STAT CARDS — بطاقات إحصاءات معمارية وقورة
   ========================================================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--spacing-5);
    margin-bottom: var(--spacing-6);
}

.stat-card {
    background: #FFFFFF;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-5);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    box-shadow: none;
    position: relative;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    height: 2px;
    background: transparent;
    transition: background-color var(--transition-fast);
}

.stat-card:hover {
    border-color: #CBD3DE;
}

.stat-card:hover::before {
    background-color: var(--color-accent);
}

.stat-icon {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    flex-shrink: 0;
    border: 1px solid transparent;
}

.stat-icon-blue   { background: #EDF3F9; color: #0F2038; border-color: #D3E0EE; }
.stat-icon-green  { background: #EDF5F2; color: #1E4D3E; border-color: #BDD8CE; }
.stat-icon-amber  { background: #FDF7EC; color: #996515; border-color: #ECCF9E; }
.stat-icon-red    { background: #FAF0F2; color: #8C2433; border-color: #E8BAC1; }
.stat-icon-purple { background: #F6F3FA; color: #4A2E6D; border-color: #D9CCE8; }

.stat-details {
    flex: 1;
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    font-weight: 500;
    margin-bottom: 3px;
}

.stat-value {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text-main);
    line-height: 1.2;
}

/* ==========================================================================
   ALERTS & TOASTS
   ========================================================================== */
.alert {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-5);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-4);
    font-size: var(--font-size-sm);
}

.alert-success {
    background-color: var(--color-success-light);
    border: 1px solid var(--color-success-border);
    color: var(--color-success-text);
}

.alert-danger {
    background-color: var(--color-danger-light);
    border: 1px solid var(--color-danger-border);
    color: var(--color-danger-text);
}

.alert-warning {
    background-color: var(--color-warning-light);
    border: 1px solid var(--color-warning-border);
    color: var(--color-warning-text);
}

.alert-info {
    background-color: var(--color-info-light);
    border: 1px solid var(--color-info-border);
    color: var(--color-info-text);
}

/* Toast Container */
.toast-container {
    position: fixed;
    bottom: var(--spacing-6);
    left: var(--spacing-6);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    pointer-events: none;
}

.toast {
    pointer-events: auto;
    background: #FFFFFF;
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-3) var(--spacing-4);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    font-size: var(--font-size-sm);
    min-width: 280px;
    animation: toastIn 0.25s ease;
}

@keyframes toastIn {
    from { transform: translateY(12px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ==========================================================================
   MODALS
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(10, 20, 36, 0.55);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
}

.modal-backdrop.is-open {
    display: flex;
}

.modal-dialog {
    background: #FFFFFF;
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 540px;
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--color-border);
    animation: modalIn 0.2s ease;
    overflow: hidden;
}

@keyframes modalIn {
    from { transform: scale(0.97); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4) var(--spacing-6);
    border-bottom: 1px solid var(--color-border);
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    font-weight: 600;
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-3);
    padding: var(--spacing-4) var(--spacing-6);
    background: var(--color-card-subtle);
    border-top: 1px solid var(--color-border);
}

/* ==========================================================================
   PROGRESSIVE DISCLOSURE — الإفصاح التدريجي (Apple HIG Disclosure Controls)
   ========================================================================== */
.disclosure-group {
    margin-top: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background-color: #FAFBFC;
    overflow: hidden;
    transition: all var(--transition-fast);
}

.disclosure-group:hover {
    border-color: #CBD5E1;
}

.disclosure-trigger {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.1rem;
    background-color: transparent;
    border: none;
    cursor: pointer;
    text-align: right;
    font-family: var(--font-body);
    transition: background-color var(--transition-fast);
}

.disclosure-trigger:hover {
    background-color: #F1F5F9;
}

.disclosure-trigger-main {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 13.5px;
    color: var(--color-primary);
}

.disclosure-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.disclosure-trigger.is-open .disclosure-icon {
    transform: rotate(180deg);
}

.disclosure-hint {
    font-size: 11.5px;
    font-weight: normal;
    color: var(--color-text-muted);
}

.disclosure-state-badge {
    font-size: 11.5px;
    font-weight: 600;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    background-color: #F1F5F9;
    color: #475569;
    border: 1px solid #CBD5E1;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.disclosure-content {
    display: none;
    padding: 1.25rem 1.1rem;
    border-top: 1px solid var(--color-border);
    background-color: #FFFFFF;
    animation: disclosureFadeIn 0.2s ease;
}

.disclosure-content.is-open {
    display: block;
}

@keyframes disclosureFadeIn {
    from { opacity: 0; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}