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

:root {
    --primary: #1a73e8;
    --primary-dark: #1558b8;
    --success: #28a745;
    --danger: #dc3545;
    --warning: #ff9800;
    --light-bg: #f4f7f6;
    --card-bg: #ffffff;
    --text: #333;
    --border: #d1d5db;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--light-bg);
    color: var(--text);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px;
    box-sizing: border-box;
}

.container {
    width: 100%;
    max-width: 500px;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
}

header h1 {
    color: var(--primary);
    margin-top: 0;
}

.upload-area {
    border: 2px dashed var(--border);
    border-radius: 8px;
    padding: 40px 20px;
    margin: 20px 0;
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
}

.upload-area:hover {
    background-color: #eef5ff;
    border-color: var(--primary);
}

.upload-button, #camera-button {
    background-color: var(--primary);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin: 8px 0;
    display: block;
    width: 100%;
}

#camera-button {
    background-color: var(--success);
}

.upload-button:hover, #camera-button:hover {
    background-color: var(--primary-dark);
}

#camera-button:hover {
    background-color: #218838;
}

#image-preview {
    max-width: 100%;
    max-height: min(70vh, 500px);
    border-radius: 8px;
    border: 1px solid #ddd;
    display: block;
}

#change-image-button {
    margin-top: 15px;
    background-color: #e8eaed;
    color: #3c4043;
    border: none;
    border-radius: 8px;
    padding: 10px 20px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    display: block;
    width: 100%;
}

#change-image-button:hover {
    background-color: #d1d5db;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

#result-card, #error-card {
    margin-top: 20px;
    padding: 20px;
    border-radius: 8px;
    text-align: left;
}

#result-card {
    background-color: #e6f4ea;
    border: 1px solid #b7e1c7;
}

#result-card h2 {
    margin-top: 0;
    color: #1e4620;
}

.result-text-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: white;
    padding: 15px;
    border-radius: 6px;
}

#result-text {
    font-size: 24px;
    font-weight: 600;
    margin: 0;
    flex-grow: 1;
    line-height: 1.4;
}

#copy-button {
    background: none;
    border: 1px solid #ccc;
    border-radius: 6px;
    cursor: pointer;
    padding: 8px;
    margin-left: 15px;
    transition: background-color 0.2s;
}

#copy-button:hover {
    background-color: #e9e9e9;
}

#error-card {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.hidden {
    display: none !important;
}

footer {
    margin-top: 30px;
    font-size: 14px;
    color: #888;
}

#correction-area {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px solid var(--border);
}

.correction-prompt {
    font-size: 14px;
    color: #555;
    margin-bottom: 10px;
    text-align: center;
}

.correction-form {
    display: flex;
    gap: 10px;
}

#correction-input {
    flex-grow: 1;
    border: 1px solid #ccc;
    border-radius: 6px;
    padding: 10px;
    font-size: 16px;
}

#submit-correction-button {
    background-color: var(--warning);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 10px 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
}

#submit-correction-button:hover {
    background-color: #f57c00;
}

#thank-you-message {
    margin-top: 15px;
    padding: 10px;
    background-color: #d4edda;
    border-radius: 6px;
    color: #155724;
    text-align: center;
}

/* Mode Selection */
#mode-selection {
    padding: 40px 20px;
}

.mode-button {
    display: block;
    width: 100%;
    padding: 15px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 2px solid var(--primary);
    background-color: white;
    color: var(--primary);
    transition: background-color 0.2s, color 0.2s;
}

.mode-button:hover {
    background-color: var(--primary);
    color: white;
}

#back-to-mode-selection {
    margin-top: 20px;
    background: none;
    border: none;
    color: var(--primary);
    text-decoration: underline;
    cursor: pointer;
    font-size: 15px;
}

/* Interactive Area */
#interactive-area {
    margin-top: 20px;
}

.instruction-text {
    font-style: italic;
    color: #555;
    margin-bottom: 15px;
}

#image-selection-container {
    position: relative;
    cursor: crosshair;
    display: inline-block;
    margin: 10px 0;
}

#selection-box {
    position: absolute;
    border: 2px solid var(--primary);
    background-color: rgba(26, 115, 232, 0.2);
    pointer-events: none;
    display: none;
}

/* Paragraph Result */
.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.result-header h2 {
    margin: 0;
}

#copy-all-button, #clear-results-button {
    background-color: #f1f3f4;
    border: 1px solid #dadce0;
    border-radius: 4px;
    padding: 5px 10px;
    margin-left: 8px;
    cursor: pointer;
    font-size: 14px;
}

#clear-results-button {
    color: var(--danger);
}

#full-text-result {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 15px;
    min-height: 100px;
    text-align: left;
    white-space: pre-wrap;
    font-size: 16px;
    line-height: 1.6;
    outline: none;
}

#full-text-result:focus {
    outline: 2px solid var(--primary);
    border-color: transparent;
}

/* Camera Overlay */
#camera-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.camera-modal {
    background: white;
    padding: 20px;
    border-radius: 12px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 600px;
    text-align: center;
}

#camera-stream {
    width: 100%;
    max-height: 70vh;
    border-radius: 8px;
    background: #eee;
}

.camera-controls {
    margin-top: 20px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

#capture-button, #close-camera-button {
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    border: none;
}

#capture-button {
    background-color: var(--primary);
    color: white;
}

#close-camera-button {
    background-color: var(--danger);
    color: white;
}

/* Aksesibilitas: Fokus */
button:focus,
input:focus,
#full-text-result:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}