/* Modern dark theme for programmers - inspired by Apple and Google design */
:root {
    --primary-color: #4285f4;
    --primary-light: #80b1ff;
    --primary-dark: #0d5bdd;
    --secondary-color: #34a853;
    --secondary-light: #5cd889;
    --secondary-dark: #1e8e3e;
    --accent-color: #fbbc05;
    --text-color: #e0e0e0;
    --text-light: #9e9e9e;
    --background-color: #1e1e1e;
    --card-color: #2d2d2d;
    --card-hover: #383838;
    --input-bg: #3c3c3c;
    --error-color: #ea4335;
    --success-color: #34a853;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2), 0 1px 3px rgba(0, 0, 0, 0.1);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background-color: var(--background-color);
    color: var(--text-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    background-color: var(--card-color);
    padding: 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

h1 {
    color: var(--text-color);
    text-align: center;
    margin-bottom: 30px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.form-group {
    margin-bottom: 24px;
}

label {
    display: block;
    margin-bottom: 10px;
    font-weight: 500;
    color: var(--text-color);
    font-size: 15px;
}

input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--input-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    box-sizing: border-box;
    transition: var(--transition);
    color: var(--text-color);
    font-size: 15px;
}

input[type="text"]:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.3);
}

.checkbox-group {
    margin: 24px 0;
    display: flex;
    align-items: center;
}

input[type="checkbox"] {
    margin-right: 10px;
    width: 20px;
    height: 20px;
    accent-color: var(--primary-color);
    cursor: pointer;
}

button {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
    letter-spacing: 0.3px;
}

button:hover {
    background-color: var(--primary-dark);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.25);
    transform: translateY(-2px);
}

button:active {
    transform: translateY(1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

button:disabled {
    background-color: #555555;
    color: #888888;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

#results {
    margin-top: 40px;
}

.result-item {
    margin-bottom: 20px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    background-color: var(--card-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.result-item:hover {
    background-color: var(--card-hover);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.file-path {
    font-weight: 500;
    margin-bottom: 16px;
    word-break: break-all;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary-light);
    font-size: 15px;
}

.open-dir-button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    margin-left: 12px;
    transition: var(--transition);
}

.open-dir-button:hover {
    background-color: var(--secondary-dark);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.folder-select-button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 12px 16px;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 14px;
    margin-left: 12px;
    transition: var(--transition);
    white-space: nowrap;
}

.folder-select-button:hover {
    background-color: var(--secondary-dark);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
    transform: translateY(-1px);
}

.match-line {
    font-family: var(--font-mono);
    background-color: rgba(66, 133, 244, 0.1);
    padding: 12px 16px;
    border-left: 3px solid var(--primary-color);
    margin: 8px 0;
    border-radius: 0 4px 4px 0;
    overflow-x: auto;
    color: var(--text-color);
    font-size: 14px;
}

.line-number {
    color: var(--accent-color);
    margin-right: 16px;
    font-weight: 500;
    user-select: none;
}

.loading {
    text-align: center;
    margin: 40px 0;
    display: none;
    color: var(--primary-light);
}

.loading p {
    font-size: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.error {
    color: var(--error-color);
    padding: 16px;
    background-color: rgba(234, 67, 53, 0.15);
    border-radius: var(--border-radius);
    margin-bottom: 24px;
    font-weight: 500;
    border-left: 4px solid var(--error-color);
}

.search-history {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
}

.search-history h3 {
    color: var(--text-color);
    margin-bottom: 16px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.history-item {
    padding: 14px 16px;
    margin-bottom: 8px;
    background-color: var(--card-color);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.history-item:hover {
    background-color: var(--card-hover);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.history-item strong {
    color: var(--primary-light);
}

.history-item small {
    color: var(--text-light);
    margin-left: 10px;
    font-size: 13px;
}

.history-delete {
    color: var(--error-color);
    cursor: pointer;
    font-weight: bold;
    margin-left: 12px;
    padding: 4px 10px;
    border-radius: 50%;
    transition: var(--transition);
}

.history-delete:hover {
    background-color: rgba(234, 67, 53, 0.2);
}

/* Custom scrollbar for webkit browsers */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--background-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #555;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #777;
}