:root {
    --primary: #ffa500;
    --primary-hover: #e69500;
    --bg-dark: #121212;
    --bg-andezit: #2a2a2a;
    --bg-card: #333333;
    --text-main: #e0e0e0;
    --text-muted: #b0b0b0;
    --border: #444444;
    --success: #4caf50;
    --danger: #f44336;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--primary);
}

h1 {
    font-size: 1.5rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn {
    background-color: var(--primary);
    color: #000;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(255, 165, 0, 0.3);
}

.card {
    background-color: var(--bg-andezit);
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    overflow: hidden;
    margin-bottom: 20px;
}

.card-title-orange {
    color: var(--primary);
}

.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

th {
    background-color: #1a1a1a;
    color: var(--primary);
    text-align: center !important;
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    white-space: normal;
    vertical-align: middle !important;
}

td {
    padding: 12px 15px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tr:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.row-editing {
    background-color: rgba(255, 165, 0, 0.15) !important;
    border-left: 3px solid var(--primary);
}

.badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
}

.badge-artis { background-color: var(--success); color: #fff; }
.badge-azalis { background-color: var(--danger); color: #fff; }
.badge-var { background-color: #555; color: #fff; }
.badge-yok { background-color: transparent; border: 1px solid var(--border); color: var(--text-muted); }

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

.btn-success:hover {
    background-color: #45a049;
    box-shadow: 0 4px 10px rgba(76, 175, 80, 0.3);
}

.fiyat-positive { color: var(--success); }
.fiyat-negative { color: var(--danger); }

/* Form styles */
.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-4 { grid-column: span 4; }

/* Center the form grid contents within the card */
.form-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 15px;
    padding: 20px;
    align-items: flex-end;
    max-width: 1100px;
    margin: 0 auto;
}

.form-actions {
    grid-column: span 2;
    display: flex;
    gap: 8px;
}

.form-actions .btn {
    flex: 1;
    justify-content: center;
    white-space: nowrap;
}

label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

input, select {
    background-color: #1a1a1a;
    border: 1px solid var(--border);
    color: var(--text-main);
    padding: 8px 10px;
    border-radius: 4px;
    margin: 0 auto;
    width: 100%;
    text-align: center;
    color-scheme: dark; /* Enables browser's dark date picker */
}

/* Align date picker icon to right and color it */
input[type="date"]::-webkit-calendar-picker-indicator {
    cursor: pointer;
    filter: invert(0.5); /* Makes it greyish to match border */
    margin-left: 5px;
}

input:focus {
    outline: none;
    border-color: var(--primary);
}

.text-left, th.text-left { text-align: left; }
.text-right, th.text-right { text-align: right; }
.text-center, th.text-center { text-align: center; }

/* Hide Number Spinners */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type=number] {
    -moz-appearance: textfield;
}

/* Scrollbar Styles */
*::-webkit-scrollbar,
.modal-body::-webkit-scrollbar,
.table-wrapper::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

*::-webkit-scrollbar-track,
.modal-body::-webkit-scrollbar-track,
.table-wrapper::-webkit-scrollbar-track {
    background: #1c1b28;
    border-radius: 10px;
}

*::-webkit-scrollbar-thumb,
.modal-body::-webkit-scrollbar-thumb,
.table-wrapper::-webkit-scrollbar-thumb {
    background: #ffa500;
    border-radius: 10px;
    border: 2px solid #1c1b28;
}

*::-webkit-scrollbar-thumb:hover,
.modal-body::-webkit-scrollbar-thumb:hover,
.table-wrapper::-webkit-scrollbar-thumb:hover {
    background: #ffc95c;
}

*::-webkit-scrollbar-corner,
.modal-body::-webkit-scrollbar-corner,
.table-wrapper::-webkit-scrollbar-corner {
    background: #1c1b28;
}

/* Firefox */
* {
    scrollbar-width: thin;
    scrollbar-color: #ffa500 #1c1b28;
}

.modal-body {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 5px;
}

.btn-edit {
    background-color: #ffa500;
    color: #000;
}

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

.btn-edit:hover, .btn-delete:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    body { padding: 10px; }
    header { flex-direction: column; gap: 15px; text-align: center; }
    h1 { font-size: 1.2rem; }
}

.btn-secondary {
    background-color: var(--primary);
    color: #000;
}

.btn-secondary:hover {
    background-color: var(--primary-hover);
}

.btn-muted {
    background-color: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.btn-muted:hover {
    background-color: var(--border);
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    width: 90%;
    max-width: 800px;
    position: relative;
    animation: slideDown 0.3s ease-out;
}

.modal-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    color: var(--primary);
}

.close-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
}

@keyframes slideDown {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Loader */
.loader {
    border: 3px solid #f3f3f3;
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    display: none;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}