@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    --primary-color: #343a40; /* Koyu Gri */
    --secondary-color: #ffc107; /* Sarı */
    --background-color: #f8f9fa; /* Çok Açık Gri */
    --card-background: #ffffff;
    --text-color: #212121; /* Neredeyse Siyah */
    --light-text-color: #6c757d;
    --border-color: #dee2e6;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --hover-tint-light: rgba(255, 255, 255, 0.1);
    --hover-tint-dark: rgba(0, 0, 0, 0.05);
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 2rem;
    line-height: 1.6;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

/* Header and Titles */
h1 {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 2rem;
}

h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-color);
    border-bottom: 2px solid var(--secondary-color);
    padding-bottom: 0.5rem;
    margin-bottom: 1.5rem;
}

/* Card Styling */
.card {
    background: var(--card-background);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.07);
    border: 1px solid var(--border-color);
    transition: box-shadow 0.3s ease;
}

.card:hover {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

/* Form Elements */
form {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

form input[type="text"],
form select {
    flex-grow: 1;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    background-color: #fff;
}

form input[type="text"]:focus,
form select:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 0 3px rgba(255, 193, 7, 0.25);
}

form button, .button {
    padding: 0.75rem 1.5rem;
    background: linear-gradient(45deg, var(--secondary-color), #ffca28);
    color: var(--primary-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

form button:hover, .button:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

/* Main Actions on Index */
.main-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.add-wagon-form {
    flex-grow: 1;
    display: flex;
    gap: 1rem;
}

.manage-docs-btn {
    background: linear-gradient(45deg, #6c757d, #343a40);
    color: white;
}

.manage-docs-btn:hover {
    box-shadow: 0 4px 12px rgba(52, 58, 64, 0.3);
}

/* Filter and Sort Form */
.filter-sort-form {
    margin-bottom: 2rem;
    background-color: #e9ecef;
    padding: 1rem;
    border-radius: 8px;
}

.filter-sort-form input,
.filter-sort-form select {
    flex-grow: 1;
}

.filter-sort-form button {
    flex-grow: 0;
}


/* Wagon List */
.wagon-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
}

.wagon-item-container {
    display: flex;
    align-items: stretch;
    background-color: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: box-shadow 0.3s;
    position: relative;
}

.wagon-item-container.editing {
    box-shadow: 0 0 0 2px var(--secondary-color);
}

.wagon-item-container:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.wagon-item {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem;
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 1.1rem;
    width: 100%;
}

.wagon-item i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}

.wagon-item span small {
    display: block;
    font-size: 0.8rem;
    color: var(--light-text-color);
    font-weight: 400;
}

.wagon-actions {
    display: flex;
    position: absolute;
    top: 5px;
    right: 5px;
    background: rgba(255,255,255,0.8);
    border-radius: 5px;
    opacity: 0;
    transition: opacity 0.2s ease-in-out;
}

.wagon-item-container:hover .wagon-actions {
    opacity: 1;
}

.wagon-actions button,
.wagon-actions form {
    margin: 0;
}

.edit-wagon-btn, .delete-wagon-btn {
    background: transparent;
    border: none;
    color: var(--light-text-color);
    cursor: pointer;
    font-size: 0.9rem;
    padding: 0.5rem;
    transition: color 0.3s, background-color 0.3s;
}

.edit-wagon-btn:hover {
    color: var(--primary-color);
}

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

/* Inline Edit styles */
.edit-wagon-input {
    width: calc(100% - 60px);
    padding: 5px;
    border: 1px solid var(--secondary-color);
    border-radius: 4px;
}
.save-edit-btn, .cancel-edit-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    padding: 5px;
}
.save-edit-btn { color: var(--success-color); }
.cancel-edit-btn { color: var(--danger-color); }


h1 i, h2 i {
    margin-right: 0.75rem;
    color: var(--secondary-color);
}

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
}

.back-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* Document Checklist (wagon.php) */
.document-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 0.5rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}
.document-item:last-child { border-bottom: none; }
.document-item:hover { background-color: #fefcf3; }

.document-item input[type="checkbox"] {
    -webkit-appearance: none;
    appearance: none;
    background-color: #fff;
    margin-right: 1rem;
    font: inherit;
    color: var(--primary-color);
    width: 1.5em;
    height: 1.5em;
    border: 0.15em solid var(--border-color);
    border-radius: 0.25em;
    transform: translateY(-0.075em);
    display: grid;
    place-content: center;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.document-item input[type="checkbox"]::before {
    content: "";
    width: 0.75em;
    height: 0.75em;
    transform: scale(0);
    transition: 120ms transform ease-in-out;
    box-shadow: inset 1em 1em var(--secondary-color);
    transform-origin: center;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
}

.document-item input[type="checkbox"]:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.document-item input[type="checkbox"]:checked::before {
    transform: scale(1.2);
}

.document-item label {
    flex-grow: 1;
    cursor: pointer;
}

.document-item .notes {
    width: 40%;
    margin-left: 1rem;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.9rem;
}

/* Notes Area */
.notes-area {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    line-height: 1.5;
    resize: vertical;
}

/* Save Button Container */
.save-container {
    text-align: center;
    margin-top: 2rem;
}

.save-button {
    font-size: 1.2rem;
    padding: 0.8rem 2.5rem;
}

.save-status {
    margin-top: 1rem;
    font-weight: 500;
    height: 20px;
}
.save-status.success { color: var(--success-color); }
.save-status.error { color: var(--danger-color); }

/* manage_documents.php specific styles */
.add-document-form {
    display: flex;
    gap: 1rem;
}

.document-list ul {
    list-style: none;
    padding: 0;
}

.document-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem;
    border-bottom: 1px solid var(--border-color);
}
.document-list li:last-child { border-bottom: none; }

.boji-type-label {
    background-color: #e9ecef;
    color: #495057;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-size: 0.8rem;
    margin-left: 0.75rem;
}

.delete-btn {
    color: var(--danger-color);
    text-decoration: none;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.delete-btn:hover {
    color: #a71d2a;
}

.boji-type-header {
    font-size: 1.2rem;
    font-weight: 500;
    background-color: var(--secondary-color);
    color: var(--primary-color);
    padding: 0.2rem 0.8rem;
    border-radius: 6px;
    margin-left: 1rem;
}