/* KUYNET Portatif KDV Sistemi - Modern Stil Dosyası */

:root {
    --primary: #0097b2;
    --primary-light: #31c2db;
    --primary-dark: #007a91;
    --primary-hover: #00829a;
    --danger: #ef4444;
    --success: #10b981;
    --warning: #f59e0b;
    --white: #ffffff;
    --gray-50: #f8f9fa;
    --gray-100: #f1f3f5;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
}

/* ============================================
   LOGIN PAGE STYLES
   ============================================ */

.public-layout {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

.auth-container {
    max-width: 420px;
    width: 100%;
    padding: 2.5rem;
    background: var(--white);
    border-radius: 1.25rem;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.logo-container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-img {
    max-width: 180px;
    max-height: 80px;
    height: auto;
    object-fit: contain;
}

.navbar-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    max-width: 200px;
}

.auth-header h2 {
    color: var(--gray-800);
    font-weight: 700;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--gray-600);
    font-size: 0.95rem;
}

/* ============================================
   DASHBOARD STYLES
   ============================================ */

.dashboard-body {
    background-color: var(--gray-50);
}

.navbar {
    padding: 1rem 0;
    box-shadow: none;
    background-color: transparent !important;
}

.navbar-light {
    background-color: transparent !important;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
    padding: 0;
}

.navbar-toggler {
    border-color: var(--gray-300);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2833, 37, 41, 0.75%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.container-fluid {
    padding-left: 1rem;
    padding-right: 1rem;
}

.row {
    margin-left: 0;
    margin-right: 0;
}

.row > * {
    margin-top: 0;
}

/* ============================================
   CARD STYLES
   ============================================ */

.card {
    border: none;
    border-radius: 0;
    box-shadow: none;
    background-color: var(--white);
    margin-bottom: 1rem;
}

.card-header {
    padding: 0.5rem 1rem;
    background-color: var(--white);
    border-bottom: 1px solid var(--gray-300);
}

.card-body {
    padding: 1rem;
}

/* ============================================
   FORM STYLES
   ============================================ */

.form-label {
    font-size: 0.8rem;
    font-weight: 400;
    margin: 0;
    color: var(--gray-700);
}

.form-control,
.form-select {
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid var(--gray-300);
    border-radius: 0.375rem;
    padding: 0.5rem 0.75rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    background-color: var(--white);
}

.form-control-sm,
.form-select-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: 0.25rem;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 151, 178, 0.1);
    outline: none;
}

.form-control:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 151, 178, 0.1);
    background-color: var(--white);
}

.form-control.is-invalid,
.form-select.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-control-lg {
    padding: 0.75rem 1rem;
    font-size: 1rem;
}

.number-input {
    font-family: 'Courier New', monospace;
    font-weight: 500;
}

.invalid-feedback {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--danger);
}

/* ============================================
   BUTTON STYLES
   ============================================ */

.btn {
    border-radius: 0.5rem;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    transition: all 0.2s ease;
    border: none;
}

.btn-primary {
    background: var(--primary) !important;
    border-color: var(--primary) !important;
    color: var(--white) !important;
    box-shadow: 0 2px 4px rgba(0, 151, 178, 0.2);
}

.btn-primary:hover {
    background: var(--primary-dark) !important;
    border-color: var(--primary-dark) !important;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 151, 178, 0.3);
}

.bg-primary {
    background-color: var(--primary) !important;
}

.text-primary {
    color: var(--primary) !important;
}

.navbar-dark.bg-primary {
    background-color: var(--primary) !important;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-outline-danger {
    border: 1.5px solid var(--danger);
    color: var(--danger);
}

.btn-outline-danger:hover {
    background-color: var(--danger);
    color: var(--white);
}

/* ============================================
   TABLE STYLES
   ============================================ */

.table {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.table-bordered {
    border: 1px solid var(--gray-300);
}

.table-bordered>:not(caption)>*>* {
    border-width: 0 1px;
    border-color: var(--gray-300);
}

.table-bordered>:not(caption)>* {
    border-width: 0 0 1px;
    border-color: var(--gray-300);
}

.table-bordered thead th {
    border-bottom-width: 2px;
    border-color: var(--gray-300);
}

.table-bordered tbody td {
    border-color: var(--gray-300);
}

.table-hover tbody tr:hover {
    background-color: var(--gray-50);
    cursor: pointer;
}

.table thead th {
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--gray-600);
    background-color: var(--gray-100);
    padding: 0.75rem 0.5rem;
    border-bottom: 2px solid var(--gray-300);
    white-space: nowrap;
}

.table tbody td {
    padding: 0.75rem 0.5rem;
    vertical-align: middle;
    border-bottom: 1px solid var(--gray-300);
}

.table tfoot {
    background-color: var(--gray-100);
    font-weight: 600;
}

.table tfoot td {
    padding: 0.75rem 0.5rem;
    border-top: 2px solid var(--gray-300);
}

.tax-column {
    /* KDV sütunları için özel stil */
}

/* Empty State */
#empty-state td {
    padding: 3rem 1rem;
    color: var(--gray-500);
}

#empty-state .display-4 {
    font-size: 3rem;
    opacity: 0.3;
}

/* ============================================
   ALERT STYLES
   ============================================ */

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffc107;
    color: #856404;
}

.alert-warning .bi {
    color: #ffc107;
}

.alert {
    margin-bottom: 0.5rem;
}

#message_container .alert:last-child {
    margin-bottom: 0;
}

.alert {
    padding: 0.875rem 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}

.alert-success {
    background-color: #d1fae5;
    border-color: #6ee7b7;
    color: #065f46;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: #fca5a5;
    color: #991b1b;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet ve küçük ekranlar */
@media (max-width: 991.98px) {
    .container-fluid {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .card-body {
        padding: 1rem;
    }
    
    .table {
        font-size: 0.85rem;
    }
    
    .table thead th,
    .table tbody td {
        padding: 0.75rem 0.5rem;
    }
}

/* Mobil cihazlar */
@media (max-width: 767.98px) {
    .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .page-header {
        margin-bottom: 1.5rem;
    }
    
    .page-title {
        font-size: 1.25rem;
    }
    
    .page-subtitle {
        font-size: 0.875rem;
    }
    
    .card {
        border-radius: 0.5rem;
    }
    
    .card-header {
        padding: 0.875rem 1rem;
    }
    
    .card-body {
        padding: 0.875rem;
    }
    
    .form-control-lg,
    .form-select-lg {
        padding: 0.625rem 0.875rem;
        font-size: 0.95rem;
    }
    
    .btn-lg {
        padding: 0.625rem 1.25rem;
        font-size: 0.95rem;
    }
    
    .table {
        font-size: 0.75rem;
    }
    
    .table thead th {
        font-size: 0.7rem;
        padding: 0.625rem 0.375rem;
    }
    
    .table tbody td {
        padding: 0.75rem 0.375rem;
    }
    
    .table tfoot td {
        padding: 0.75rem 0.375rem;
        font-size: 0.8rem;
    }
    
    /* Mobilde tablo scroll */
    .table-responsive {
        -webkit-overflow-scrolling: touch;
    }
    
    /* Empty state mobil */
    #empty-state td {
        padding: 2rem 0.5rem;
    }
    
    #empty-state .display-4 {
        font-size: 2rem;
    }
    
    #empty-state p {
        font-size: 0.875rem;
    }
    
    #empty-state small {
        font-size: 0.75rem;
    }
}

/* Çok küçük ekranlar */
@media (max-width: 575.98px) {
    .container-fluid {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .page-title {
        font-size: 1.125rem;
    }
    
    .card-header h5 {
        font-size: 0.95rem;
    }
    
    .form-label {
        font-size: 0.8125rem;
    }
    
    .table {
        font-size: 0.7rem;
    }
    
    .btn-sm {
        padding: 0.25rem 0.5rem;
        font-size: 0.75rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

.text-end {
    text-align: right !important;
}

.text-center {
    text-align: center !important;
}

.fw-medium {
    font-weight: 500;
}

.fw-semibold {
    font-weight: 600;
}

.fw-bold {
    font-weight: 700;
}

.shadow-sm {
    box-shadow: var(--shadow-sm);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.table tbody tr {
    animation: fadeIn 0.3s ease;
}

/* ============================================
   SECURITY BADGE (Login)
   ============================================ */

.security-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
    justify-content: center;
}

.security-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.security-details {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.security-text {
    font-weight: 600;
    color: var(--gray-800);
    font-size: 0.875rem;
}

.security-subtext {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .navbar,
    .card-header,
    .btn,
    #calculation-form {
        display: none !important;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}