* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-body: #f0f2f5;
    --bg-card: #ffffff;
    --bg-panel: #f7f8fa;
    --bg-tool: #e8eaed;
    --bg-tool-hover: #d5d8dd;
    --bg-input: #ffffff;
    --border-light: #d0d4dc;
    --border-focus: #a0a8b8;
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    --accent: #2d2d44;
    --accent-hover: #44445c;
    --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.06);
    --shadow-btn: 0 4px 14px rgba(0, 0, 0, 0.06);
    --radius-card: 28px;
    --radius-panel: 16px;
    --radius-btn: 40px;
    --transition: 0.2s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --success: #0f7b3a;
    --warning: #a67c00;
    --danger: #b91c1c;
}

[data-theme="dark"] {
    --bg-body: #0d0d14;
    --bg-card: #16161f;
    --bg-panel: #1c1c28;
    --bg-tool: #242432;
    --bg-tool-hover: #323246;
    --bg-input: #1a1a26;
    --border-light: #2e2e44;
    --border-focus: #4a4a66;
    --text-primary: #e8e8f0;
    --text-secondary: #a8a8c0;
    --text-muted: #6a6a88;
    --accent: #e8e8f0;
    --accent-hover: #c8c8e0;
    --shadow-card: 0 20px 60px rgba(0, 0, 0, 0.8);
    --shadow-btn: 0 4px 16px rgba(0, 0, 0, 0.5);
    --success: #4ade80;
    --warning: #facc15;
    --danger: #f87171;
}

html,
body {
    height: 100%;
    background: var(--bg-body);
    font-family: var(--font);
    transition: background var(--transition);
    -webkit-font-smoothing: antialiased;
}

body {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
}

.app {
    width: 100%;
    max-width: 1400px;
    height: 100%;
    max-height: 920px;
    background: var(--bg-card);
    border-radius: var(--radius-card);
    box-shadow: var(--shadow-card);
    padding: 1.8rem 2rem 1.8rem 2rem;
    border: 1px solid var(--border-light);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    margin-bottom: 1.2rem;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 1.3rem;
    color: var(--text-secondary);
}

.logo h1 {
    font-weight: 500;
    font-size: 1.2rem;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

.logo span {
    font-weight: 300;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.theme-toggle {
    background: var(--bg-tool);
    border: 1px solid var(--border-light);
    border-radius: 40px;
    padding: 0.25rem 1rem 0.25rem 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.7rem;
    font-weight: 450;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--bg-tool-hover);
}

.theme-toggle i {
    font-size: 0.7rem;
}

.main {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
    flex: 1;
    min-height: 0;
}

@media (max-width: 700px) {
    .inputs {
        grid-template-columns: 1fr;
    }
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    min-height: 0;
}

.input-group label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
    letter-spacing: 0.2px;
}

.input-group label i {
    color: var(--text-muted);
    font-size: 0.65rem;
}

.input-group textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-panel);
    padding: 0.7rem 1rem;
    font-size: 0.82rem;
    font-family: var(--font);
    color: var(--text-primary);
    resize: none;
    flex: 1;
    min-height: 70px;
    transition: var(--transition);
    line-height: 1.6;
    width: 100%;
}

.input-group textarea:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.04);
}

.input-group textarea::placeholder {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.upload-area {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.upload-area label {
    background: var(--bg-tool);
    color: var(--text-primary);
    padding: 0.25rem 1.2rem;
    border-radius: var(--radius-btn);
    font-weight: 450;
    font-size: 0.7rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.upload-area label:hover {
    background: var(--bg-tool-hover);
}

.upload-area input[type="file"] {
    display: none;
}

.upload-area .file-name {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.actions {
    display: flex;
    gap: 0.7rem;
    flex-wrap: wrap;
    flex-shrink: 0;
    margin: 0.8rem 0 0.6rem 0;
}

.btn {
    background: var(--accent);
    border: none;
    padding: 0.4rem 1.8rem;
    border-radius: var(--radius-btn);
    font-weight: 500;
    color: var(--bg-card);
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.78rem;
    border: 1px solid var(--accent);
}

.btn i {
    font-size: 0.75rem;
    opacity: 0.6;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-btn);
}

.btn.outline {
    background: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn.outline i {
    color: var(--text-muted);
    opacity: 1;
}

.btn.outline:hover {
    background: var(--bg-tool);
}

.btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.results {
    display: none;
    flex: 1;
    min-height: 0;
    margin-top: 0.6rem;
    border-top: 1px solid var(--border-light);
    padding-top: 0.8rem;
    overflow-y: auto;
    flex-direction: column;
    gap: 0.6rem;
}

.results.visible {
    display: flex;
}

.score-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.score-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--bg-card);
    background: var(--text-muted);
    flex-shrink: 0;
    transition: var(--transition);
}

.score-circle.high {
    background: var(--success);
}

.score-circle.medium {
    background: var(--warning);
    color: var(--bg-card);
}

.score-circle.low {
    background: var(--danger);
}

.score-detail {
    flex: 1;
}

.score-detail .stat {
    display: flex;
    gap: 1.2rem;
    flex-wrap: wrap;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.score-detail .stat span {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.score-detail .stat i {
    font-size: 0.65rem;
}

.skill-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    flex: 1;
    min-height: 0;
}

@media (max-width: 600px) {
    .skill-grid {
        grid-template-columns: 1fr;
    }
}

.skill-box {
    background: var(--bg-panel);
    border-radius: var(--radius-panel);
    padding: 0.7rem 1rem;
    border: 1px solid var(--border-light);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.skill-box h4 {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.3rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    flex-shrink: 0;
}

.skill-box h4 i {
    font-size: 0.65rem;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem;
    overflow-y: auto;
    align-content: flex-start;
    flex: 1;
}

.skill-tag {
    background: var(--bg-tool);
    padding: 0.05rem 0.7rem;
    border-radius: 40px;
    font-size: 0.68rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
    height: fit-content;
    line-height: 1.6;
}

.skill-tag.match {
    border-color: var(--success);
    color: var(--success);
}

.skill-tag.missing {
    border-color: var(--danger);
    color: var(--danger);
}

.suggestions {
    flex-shrink: 0;
    background: var(--bg-panel);
    border-radius: var(--radius-panel);
    padding: 0.6rem 1rem;
    border: 1px solid var(--border-light);
}

.suggestions h4 {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.1rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.suggestions ul {
    list-style: none;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.1rem 0.8rem;
}

.suggestions ul li {
    font-size: 0.75rem;
    color: var(--text-secondary);
    padding: 0.05rem 0;
    padding-left: 0.9rem;
    position: relative;
}

.suggestions ul li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

.suggestions ul li .keyword {
    color: var(--danger);
    font-weight: 500;
}

.skill-tags::-webkit-scrollbar,
.results::-webkit-scrollbar {
    width: 4px;
}

.skill-tags::-webkit-scrollbar-track,
.results::-webkit-scrollbar-track {
    background: transparent;
}

.skill-tags::-webkit-scrollbar-thumb,
.results::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: 10px;
}

@media (max-width: 450px) {
    .app {
        padding: 1rem;
        max-height: none;
    }
    .score-row {
        flex-direction: column;
        align-items: flex-start;
    }
    .inputs {
        flex: none;
        min-height: 180px;
    }
}