/* Yalnızca ekran görünümü: mesutpeker.com renkleri. */
:root {
    --mp-page: #fbfcf9;
    --mp-surface: #fff;
    --mp-text: #111b21;
    --mp-muted: #687279;
    --mp-border: #dfe4e1;
    --mp-teal: #0f8f83;
    --mp-teal-dark: #08786e;
    --mp-soft: #e6f7f3;
    --mp-soft-border: #b8dcd4;
    --bs-primary-rgb: 15, 143, 131;
}

body {
    color: var(--mp-text);
    background-color: var(--mp-page);
    background-image: radial-gradient(circle at 88% 9%, rgba(203, 245, 236, .52), transparent 26%),
        radial-gradient(circle at 10% 42%, rgba(255, 235, 211, .5), transparent 24%);
}

.card, .modal-content, .desk-row { background-color: var(--mp-surface); }
.card { box-shadow: 0 10px 30px rgba(25, 43, 37, .08); }
.card:hover { box-shadow: 0 15px 35px rgba(25, 43, 37, .12); }
.text-muted, #no-results p { color: var(--mp-muted) !important; }
.text-primary, #upload-area .bi { color: var(--mp-teal-dark) !important; }

.header-section, .results-summary, .class-header {
    background: linear-gradient(135deg, var(--mp-teal-dark), var(--mp-teal));
    box-shadow: 0 5px 15px rgba(15, 143, 131, .2);
}
.results-summary-title .bi { color: #c3f3e7; }
.modal-header { background: var(--mp-teal-dark) !important; color: #fff; }
.modal-header .btn-close { filter: invert(1); }
.modal-content, .modal-header, .modal-footer { border-color: var(--mp-border); }

.alert-info, .alert-success {
    color: #155e55;
    background-color: var(--mp-soft);
    border-color: var(--mp-soft-border);
}
.privacy-note { color: #155e55; }
.processing-status {
    color: var(--mp-text);
    background: #f4faf7;
    border-color: var(--mp-soft-border);
}
.processing-status progress { accent-color: var(--mp-teal); }
#upload-area {
    border-color: var(--mp-teal);
    background-color: rgba(15, 143, 131, .03);
}
#upload-area:hover, #upload-area.dragover, #upload-area:focus-visible {
    border-color: var(--mp-teal-dark);
    background-color: var(--mp-soft);
}
#upload-area:focus-visible, .student-seat:focus-visible { outline-color: var(--mp-teal-dark); }
.form-control, .form-select { color: var(--mp-text); border-color: var(--mp-border); }
.form-control:focus, .form-select:focus, #printTitleModal .form-control:focus {
    border-color: var(--mp-teal);
    box-shadow: 0 0 0 .2rem rgba(15, 143, 131, .2);
}
.form-check-input:checked { background-color: var(--mp-teal-dark); border-color: var(--mp-teal-dark); }
.form-check-input:focus { border-color: var(--mp-teal); box-shadow: 0 0 0 .2rem rgba(15, 143, 131, .2); }

.btn-primary, .btn-success, .btn-warning[data-bs-target="#pdfGuideModal"] {
    color: #fff;
    background-color: var(--mp-teal-dark);
    border-color: var(--mp-teal-dark);
}
.btn-primary:hover, .btn-primary:focus, .btn-primary:active,
.btn-success:hover, .btn-success:focus, .btn-success:active,
#printTitleModal .btn-success:hover,
.btn-warning[data-bs-target="#pdfGuideModal"]:hover,
.btn-warning[data-bs-target="#pdfGuideModal"]:focus {
    color: #fff;
    background-color: #06655d;
    border-color: #06655d;
    box-shadow: 0 0 0 .2rem rgba(15, 143, 131, .2);
}
.btn-primary:disabled, .btn-success:disabled { background-color: var(--mp-teal-dark); border-color: var(--mp-teal-dark); }
.btn-outline-primary { color: var(--mp-teal-dark); border-color: var(--mp-teal-dark); }
.btn-outline-primary:hover, .btn-outline-primary:focus, .btn-outline-primary:active {
    color: #fff;
    background-color: var(--mp-teal-dark);
    border-color: var(--mp-teal-dark);
    box-shadow: 0 0 0 .2rem rgba(15, 143, 131, .2);
}
.btn-outline-primary:disabled { color: var(--mp-teal-dark); background-color: transparent; }
.btn-secondary { background-color: var(--mp-muted); border-color: var(--mp-muted); }

.toolbar-btn-red, .toolbar-btn-teal, .toolbar-btn-green, .toolbar-btn-emerald { background: var(--mp-teal-dark); }
.toolbar-btn-amber, .toolbar-btn-orange { background: #c65d08; }
.toolbar-btn-purple, .toolbar-btn-indigo { background: #5b43df; }
.table { --bs-table-striped-bg: rgba(15, 143, 131, .025); }
.table th, .student-table thead { background-color: #f2f7f4; }
.student-table th, .student-number { color: var(--mp-teal-dark); }
.table td, .student-table td { color: var(--mp-text); border-color: var(--mp-border); }
.student-table th { border-color: var(--mp-soft-border); }
.student-table td.row-num { color: var(--mp-muted); }
.student-table tbody tr:nth-child(even), .table-striped tbody tr:nth-of-type(odd), .even-row { background-color: #f7faf8; }
.table tr:hover, .student-table tbody tr:hover { background-color: var(--mp-soft) !important; }
.row-action-button, .row-edit-btn { color: var(--mp-teal-dark); background: var(--mp-surface); border-color: var(--mp-soft-border); }
.row-action-button:hover, .row-action-button:focus-visible, .row-edit-btn:hover, .row-edit-btn:focus-visible {
    color: var(--mp-teal-dark);
    background: var(--mp-soft);
    border-color: var(--mp-teal);
}
.classroom { background-color: #f4f8f5; border-color: var(--mp-border); }
.teacher-desk { background-color: #c65d08; box-shadow: 0 4px 8px rgba(198, 93, 8, .2); }
.desk-number { background-color: var(--mp-teal-dark); }
.student-seat.occupied { background-color: var(--mp-soft); border-color: var(--mp-teal); }
.student-seat.occupied:hover { background-color: #d3eee7; border-color: var(--mp-teal-dark); }

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 5px rgba(15, 143, 131, .3); }
    50% { box-shadow: 0 0 20px rgba(15, 143, 131, .4), 0 0 30px rgba(15, 143, 131, .2); }
}

/* İsimli ve boş çizelge akışları ana ekrandan doğrudan başlar. */
.start-tools { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.start-tool { margin-bottom: 0; border: 1px solid var(--mp-border); }
.start-tool:hover { transform: none; }
.start-tool .card-body { display: flex; flex-direction: column; align-items: stretch; padding: 1.5rem; }
.tool-kicker { color: var(--mp-teal-dark); font-size: .875rem; font-weight: 600; margin-bottom: .75rem; }
.start-tool h2 { font-weight: 700; }
.start-tool .btn { min-height: 44px; white-space: normal; }
.start-tool .privacy-note { font-size: .875rem; }
.start-tool #upload-area { padding: 1.25rem .75rem; }
.start-tool .upload-title { font-size: 1.125rem; }
.blank-schedule-tool { border-color: var(--mp-soft-border); }
.blank-schedule-options { display: grid; gap: 1rem; padding: 1rem 0; margin-bottom: 1.5rem; list-style: none; }
.blank-schedule-options li { display: flex; align-items: baseline; gap: .75rem; }
.blank-schedule-options .bi { color: var(--mp-teal-dark); }
.blank-schedule-tool .btn { margin-top: auto; }
#blankHomeworkSettings { padding: 0 0 .5rem; border-bottom: 1px solid var(--mp-border); }
#blankHomeworkSettings[hidden] { display: none !important; }
#homeworkScheduleModal .modal-dialog { width: calc(100% - 24px); max-width: 720px; height: calc(100% - 24px); height: calc(100dvh - 24px); min-height: 0; margin: 12px auto; }
#homeworkScheduleModal .modal-header, #homeworkScheduleModal .modal-footer { padding: .65rem .9rem; }
#homeworkScheduleModal .modal-title { font-size: 1rem; }
#homeworkScheduleModal .modal-body { padding: .85rem .9rem; }
#homeworkScheduleModal .form-label { font-size: .875rem !important; margin-bottom: .25rem; }
#homeworkScheduleModal .form-control, #homeworkScheduleModal .form-select { min-width: 0; min-height: 38px; font-size: .875rem; }
#homeworkScheduleModal .form-text { font-size: .75rem; line-height: 1.4; }
#homeworkScheduleModal .modal-footer .btn { min-height: 44px; }
.homework-schedule-type { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem 1rem; }
#homeworkScheduleModal .homework-schedule-type .form-label { margin-bottom: 0; }
#homeworkScheduleModal .form-check { margin-bottom: 0; font-size: .875rem; }
.homework-day-options { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: .3rem .5rem; }
.homework-preview { margin-top: .65rem; }
.homework-preview > p { margin: .25rem 0; font-size: .8125rem; color: var(--mp-muted); }
.homework-preview table { min-width: 820px; }
.homework-preview .alert { padding: .5rem .65rem; }
.homework-preview:focus-visible { outline: 2px solid var(--mp-teal-dark); outline-offset: 2px; }
.homework-term-options { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .5rem; }
.homework-term-options .btn { display: flex; align-items: center; justify-content: center; min-height: 44px; padding: .4rem; font-size: .875rem; font-weight: 600; white-space: normal; }
.homework-term-options .btn-check:checked + .btn { color: #fff; background-color: var(--mp-teal-dark); border-color: var(--mp-teal-dark); }
.homework-term-options .btn-check:focus + .btn { outline: 2px solid var(--mp-teal-dark); outline-offset: 3px; box-shadow: none; }
@media (max-width: 575px) {
    #homeworkScheduleModal .form-control, #homeworkScheduleModal .form-select { font-size: 1rem; }
    .homework-day-options { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 767px) {
    .start-tools { grid-template-columns: 1fr; gap: 1rem; }
    .start-tool .card-body { padding: 1.25rem; }
}

/* Rehberde yalnızca seçilen adım görünür; gezinme düğmeleri sabit kalır. */
body { padding-top: 1rem; }
.header-section { padding: 1rem 0; margin-bottom: 1.25rem; }
.header-title { font-size: 1.65rem; margin-bottom: .35rem; }
.header-subtitle { font-size: 1rem; }
.start-tools { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.start-tool .card-body { padding: 1.1rem; }
.start-tool h2 { margin-bottom: .75rem; }
.start-tool .tool-kicker { margin-bottom: .4rem; }
.start-tool #upload-area { padding: .85rem; }
.start-tool #upload-area .fs-1 { font-size: 1.75rem !important; }
.start-tool .guide-link { font-size: .875rem; }
.blank-schedule-tool .btn { margin-top: .25rem; }
.entry-methods { display: flex; gap: .25rem; padding: .25rem; margin-bottom: .85rem; border-radius: .6rem; background: #f0f5f2; }
.entry-methods .entry-method { flex: 1; min-height: 40px; font-size: .875rem; font-weight: 600; color: var(--mp-muted); border: 1px solid transparent; }
.entry-methods .entry-method.active { color: var(--mp-teal-dark); background: #fff; border-color: var(--mp-border); box-shadow: 0 1px 3px rgba(25, 43, 37, .08); }
.entry-method:focus-visible { outline: 2px solid var(--mp-teal-dark); outline-offset: 2px; }
.student-entry-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: .65rem .75rem; }
.student-entry-grid .form-label { font-size: .875rem; margin-bottom: .25rem; }
.student-entry-grid .form-control { min-height: 42px; font-size: 1rem; }
.student-entry-grid [aria-invalid="true"] { border-color: #b42318; }
.student-entry-actions { display: flex; align-items: center; justify-content: space-between; gap: .75rem; margin-top: .8rem; }
.student-entry-actions .btn { flex-shrink: 0; font-size: .875rem; }
.entry-status { color: var(--mp-teal-dark); font-size: .875rem; margin: 0; overflow-wrap: anywhere; }
.entry-note { color: var(--mp-muted); font-size: .875rem; margin-top: .65rem; }
#manualEntryPanel[hidden], #pdfEntryPanel[hidden] { display: none !important; }
.class-header-top { flex-wrap: wrap; gap: .5rem; }
.class-header-top .class-name { flex: 1 1 150px; }
.class-header-top .add-to-class { min-height: 40px; color: var(--mp-teal-dark); font-size: .875rem; white-space: nowrap; }
.results-hint, .results-privacy, .stat-label { font-size: .875rem; }
@media (max-width: 767px) {
    .start-tools { grid-template-columns: 1fr; }
    .header-title { font-size: 1.4rem; }
    .header-subtitle { font-size: .95rem; }
}
@media (max-width: 360px) {
    .student-entry-grid { grid-template-columns: 1fr; }
    .student-entry-actions { flex-wrap: wrap; }
}

#pdfGuideModal .modal-dialog {
    width: calc(100% - 24px);
    max-width: 1200px;
    height: calc(100% - 24px);
    height: calc(100dvh - 24px);
    min-height: 0;
    margin: 12px auto;
}
#pdfGuideModal .modal-content { height: 100%; max-height: 850px; overflow: hidden; }
#pdfGuideModal .modal-header { background: var(--mp-teal-dark); }
#pdfGuideModal .modal-body { display: flex; min-height: 0; padding: 16px; overflow-y: auto; }
#pdfGuideModal .guide-step {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-width: 0;
    min-height: 230px;
    border-color: var(--mp-border);
    box-shadow: none;
    transform: none;
}
#pdfGuideModal .guide-step[hidden] { display: none !important; }
#pdfGuideModal .step-header {
    flex-shrink: 0;
    flex-direction: row;
    gap: 10px;
    padding: 12px;
    color: var(--mp-text);
    background: #f2f7f4;
    cursor: default;
    text-align: left;
}
#pdfGuideModal .step-header::after { content: none; }
#pdfGuideModal .step-number {
    flex-shrink: 0;
    margin: 0;
    color: #fff;
    background: var(--mp-teal-dark);
    border-color: transparent;
    animation: none;
}
#pdfGuideModal .step-content { display: flex; flex-direction: column; flex: 1; min-height: 0; padding: 12px; gap: 12px; }
#pdfGuideModal .step-image-container {
    position: relative;
    flex: 1;
    min-height: 80px;
    padding: 0;
    border: 1px solid var(--mp-border);
    background: var(--mp-surface);
}
#pdfGuideModal .step-image {
    position: absolute;
    inset: 8px;
    width: calc(100% - 16px);
    height: calc(100% - 16px);
    max-height: none;
    min-height: 0;
    object-fit: contain;
    background: var(--mp-surface);
    border: 0;
    box-shadow: none;
    transform: none;
}
#pdfGuideModal .step-instructions-inline { flex-shrink: 0; margin: 0; padding: 10px 12px; background: #f2f7f4; border-color: var(--mp-teal); }
#pdfGuideModal .step-instructions-inline p { color: var(--mp-text); }
#pdfGuideModal .highlight { color: #155e55; background: var(--mp-soft); }
#pdfGuideModal .modal-footer { flex-shrink: 0; gap: 12px 24px; }
#pdfGuideModal .modal-footer > * { margin: 0; }
#pdfGuideModal .guide-navigation { display: grid; grid-template-columns: auto minmax(70px, 1fr) auto; align-items: center; gap: 8px; flex: 1 1 420px; }
#guideStepStatus { text-align: center; color: var(--mp-muted); font-size: 14px; }
#pdfGuideModal .guide-footer-links { display: flex; flex-wrap: wrap; gap: 8px; }
#pdfGuideModal .btn { min-height: 44px; }
@media (max-width: 600px) {
    #pdfGuideModal .modal-header, #pdfGuideModal .modal-body, #pdfGuideModal .modal-footer { padding: 10px; }
    #pdfGuideModal .modal-title { font-size: 16px; }
    #pdfGuideModal .step-header, #pdfGuideModal .step-content { padding: 8px; }
    #pdfGuideModal .step-title, #pdfGuideModal .step-instructions-inline p { font-size: 14px; }
    #pdfGuideModal .guide-navigation { flex-basis: 100%; }
    #pdfGuideModal .guide-footer-links { margin-left: auto; }
    #pdfGuideModal .btn { font-size: 14px; padding-inline: 10px; }
}