/* hashcards - Static Site Styles */

* {
    margin: 0;
    padding: 0;
    font-weight: normal;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html,
body,
#app {
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

body {
    font-family: "TeX Gyre Termes", "Nimbus Roman No9 L", "Times New Roman", "Times", serif;
    background: #f8f8f8;
}

/* Screen management */
.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* Loading Screen */
#loading-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8f8f8;
}

.loading-content {
    text-align: center;
}

.loading-content h1 {
    font-size: 48px;
    margin-bottom: 8px;
}

.loading-content p {
    font-size: 18px;
    color: #666;
    margin-bottom: 24px;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    margin: 24px auto;
    border: 4px solid #ddd;
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Setup Screen */
#setup-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8f8f8;
    overflow-y: auto;
}

.setup-content {
    max-width: 600px;
    width: 90%;
    padding: 48px 24px;
    text-align: center;
}

.setup-content h1 {
    font-size: 48px;
    margin-bottom: 8px;
}

.setup-content .subtitle {
    font-size: 18px;
    color: #666;
    margin-bottom: 48px;
}

.upload-area {
    border: 3px dashed #ccc;
    border-radius: 12px;
    padding: 48px 24px;
    margin-bottom: 32px;
    background: white;
    transition: border-color 0.2s, background-color 0.2s;
}

.upload-area.drag-over {
    border-color: #4CAF50;
    background: #f0fff0;
}

.upload-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.upload-area p {
    font-size: 18px;
    margin-bottom: 8px;
}

.upload-area .or {
    color: #999;
    margin: 16px 0;
}

#collection-info {
    background: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 32px;
    text-align: left;
}

#collection-info h2 {
    font-size: 24px;
    margin-bottom: 16px;
    border-bottom: 1px solid #eee;
    padding-bottom: 8px;
}

#collection-info p {
    font-size: 16px;
    margin-bottom: 8px;
}

.session-options {
    margin: 24px 0;
    padding: 16px;
    background: #f8f8f8;
    border-radius: 8px;
}

.session-options label {
    display: block;
    margin-bottom: 12px;
    font-size: 14px;
    font-family: system-ui, sans-serif;
}

.session-options input[type="number"] {
    width: 100px;
    padding: 6px 8px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 14px;
}

.session-options input[type="checkbox"] {
    margin-right: 8px;
}

.data-management {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid #ddd;
}

.data-management h3 {
    font-size: 16px;
    color: #666;
    margin-bottom: 16px;
    font-family: system-ui, sans-serif;
}

/* Buttons */
.btn {
    -webkit-appearance: none;
    appearance: none;
    border: 1px solid #999;
    padding: 10px 20px;
    font-size: 16px;
    font-family: system-ui, -apple-system, "Helvetica Neue", sans-serif;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.btn.primary {
    background: #4CAF50;
    color: white;
    border-color: #45a049;
}

.btn.primary:hover {
    background: #45a049;
}

.btn.secondary {
    background: white;
    color: #333;
}

.btn.secondary:hover {
    background: #f0f0f0;
}

.btn.large {
    padding: 16px 32px;
    font-size: 18px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Grade buttons */
.btn.grade {
    flex: 1;
    margin: 0 6px;
}

.btn.grade.forgot {
    background: #ffebee;
    border-color: #ef5350;
    color: #c62828;
}

.btn.grade.hard {
    background: #fff3e0;
    border-color: #ff9800;
    color: #e65100;
}

.btn.grade.good {
    background: #e8f5e9;
    border-color: #4CAF50;
    color: #2e7d32;
}

.btn.grade.easy {
    background: #e3f2fd;
    border-color: #2196F3;
    color: #1565c0;
}

/* Drill Screen */
.root {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.root .header {
    background: #f8f8f8;
    padding: 24px 32px;
    border-bottom: 1px solid black;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 16px;
}

.progress-bar {
    width: 300px;
    height: 24px;
    border: 1px solid #999;
    border-radius: 12px;
    background: white;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: palegreen;
    transition: width 0.3s ease;
}

.progress-text {
    font-family: system-ui, sans-serif;
    font-size: 14px;
    color: #666;
    min-width: 60px;
}

.card-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background: #fcfcfc;
    overflow: hidden;
    padding: 24px;
}

.card {
    background: white;
    display: flex;
    flex-direction: column;
    width: 900px;
    max-width: 100%;
    min-height: 300px;
    max-height: 90%;
    box-shadow: 0px 0px 48px 16px #ddd;
    border: 1px solid black;
}

.card-header {
    border-bottom: 1px solid black;
    padding: 24px;
}

.card-header h1 {
    font-size: 24px;
    font-family: system-ui, sans-serif;
}

.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    overflow-y: auto;
}

.question,
.answer,
.prompt {
    padding: 24px;
}

.question {
    border-bottom: 1px solid #eee;
}

.answer {
    min-height: 30px;
    background: #fafafa;
}

.rich-text {
    font-size: 24px;
    text-align: justify;
    line-height: 1.5;
}

.rich-text .cloze {
    background: #a0a0a0;
    text-decoration: none;
    border-radius: 4px;
    color: transparent;
    padding: 2px 4px;
}

.rich-text .cloze-reveal {
    color: royalblue;
    font-weight: bold;
}

.rich-text img {
    display: block;
    margin: 16px auto;
    max-width: 100%;
    height: auto;
}

.rich-text ul,
.rich-text ol {
    padding-left: 24px;
}

.rich-text p,
.rich-text img,
.rich-text ol,
.rich-text ul,
.rich-text blockquote,
.rich-text table {
    margin-bottom: 16px;
}

.rich-text p:last-child,
.rich-text img:last-child,
.rich-text ol:last-child,
.rich-text ul:last-child {
    margin-bottom: 0;
}

.rich-text blockquote {
    background: #f7f7f7;
    border-left: 4px solid #ccc;
    padding: 8px 12px;
}

.rich-text audio {
    width: 100%;
    margin: 16px 0;
}

.rich-text .katex {
    font-size: 1em;
}

.controls {
    background: #f8f8f8;
    border-top: 1px solid black;
    padding: 24px 32px;
}

#reveal-controls,
#grade-controls {
    display: flex;
    justify-content: center;
}

.grades {
    display: flex;
    width: 100%;
    max-width: 600px;
}

/* Finished Screen */
#finished-screen {
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8f8f8;
}

.finished {
    text-align: center;
    padding: 48px;
}

.finished h1 {
    font-size: 48px;
    margin-bottom: 24px;
}

.finished .summary {
    font-size: 24px;
    margin-bottom: 48px;
}

.finished .btn {
    margin: 8px;
}

/* Mobile */
@media (max-width: 768px) {
    .card {
        width: 100%;
        height: 100%;
        box-shadow: none;
        border: none;
    }

    .card-container {
        padding: 0;
    }

    .controls {
        padding: 16px;
    }

    .grades {
        flex-direction: column;
    }

    .btn.grade {
        margin: 4px 0;
    }

    .setup-content h1 {
        font-size: 36px;
    }

    .finished h1 {
        font-size: 36px;
    }
}

/* Hide screens by default */
.screen[style*="display: none"] {
    display: none !important;
}