/* CSS Custom Properties */
:root {
    --primary-color: #6a3fc7;
    --primary-light: #c9c3ff;
    --bg-light: #f7f7fa;
    --bg-dark: #1e2124;
    --card-light: #fff;
    --card-dark: #2a2d32;
    --text-light: #222;
    --text-dark: #fff;
    --border-light: #bbb;
    --border-dark: #4a4d52;
    --shadow-light: rgba(0,0,0,0.10);
    --shadow-dark: rgba(0,0,0,0.18);
}

/* Base Styles */
body {
    font-family: Arial, sans-serif;
    background: var(--bg-light);
    margin: 0;
    padding: 0;
    transition: background 0.3s, color 0.3s;
}

body.dark {
    background: var(--bg-dark);
    color: var(--text-dark);
}

body.dark * {
    color: #f0f0f0 !important;
}

body.dark input, body.dark textarea, body.dark select, body.dark option {
    color: #222 !important;
    background: #fff !important;
}

body.dark button:not(#compare-btn):not(#dark-mode-toggle) {
    color: #222 !important;
}

body.dark #compare-btn {
    color: #1a1c1f !important;
}

body.dark #compare-btn:hover {
    color: #1a1c1f !important;
}

body.dark #dark-mode-toggle {
    color: var(--primary-light) !important;
}

body.dark #dark-mode-toggle:hover {
    color: #fff !important;
}

body.dark input::placeholder, body.dark textarea::placeholder {
    color: #999 !important;
}

body.dark h1, body.dark h2, body.dark h3 {
    color: #fff !important;
}

body.dark a {
    color: var(--primary-light) !important;
}

/* App Container */
#app {
    max-width: 820px;
    margin: 2.5rem auto;
    background: var(--card-light);
    color: var(--text-light);
    border-radius: 12px;
    box-shadow: 0 2px 16px var(--shadow-light);
    padding: 2.2rem;
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}

body.dark #app {
    background: var(--card-dark);
    color: var(--text-dark);
    box-shadow: 0 2px 16px var(--shadow-dark);
}

/* Typography */
h1 {
    text-align: center;
    color: #3a3a3a;
    font-size: 2.1rem;
    margin-bottom: 1.5rem;
}

body.dark h1 {
    color: #fff !important;
}

p {
    color: var(--text-light);
    transition: color 0.3s;
}

body.dark p {
    color: #f0f0f0 !important;
}

/* Links */
a {
    color: var(--primary-color);
    transition: color 0.3s;
}

body.dark a {
    color: var(--primary-light) !important;
}

a:hover {
    color: #5a2fb7;
}

body.dark a:hover {
    color: #ddd8ff !important;
}

/* Meta/Timestamp text */
.meta-text, .timestamp {
    color: #666;
}

body.dark .meta-text, body.dark .timestamp {
    color: #e0e0e0 !important;
}

/* Generic text containers */
.description, .info-text {
    color: var(--text-light);
}

body.dark .description, body.dark .info-text {
    color: #f0f0f0 !important;
}

/* Controls Section */
.controls {
    display: flex;
    flex-wrap: wrap;
    gap: 2.2rem;
    justify-content: center;
    margin-bottom: 2.2rem;
    background: #f5f8fa;
    border-radius: 8px;
    padding: 1.2rem 1.5rem 0.7rem;
    box-shadow: 0 1px 4px rgba(0,0,0,0.04);
    transition: background 0.3s, box-shadow 0.3s;
}

body.dark .controls {
    background: var(--card-dark);
    box-shadow: 0 1px 4px var(--shadow-dark);
}

/* Form Elements */
label {
    display: flex;
    flex-direction: column;
    font-weight: bold;
    color: #444;
    margin-bottom: 0.2em;
}

body.dark label {
    color: #fff !important;
}

select, input[type="text"], textarea {
    margin-top: 0.3rem;
    padding: 0.5rem;
    border-radius: 6px;
    border: 1px solid var(--border-light);
    font-size: 1rem;
    background: var(--card-light);
    color: var(--text-light);
    transition: background 0.3s, color 0.3s, border 0.3s;
}

body.dark select, body.dark input[type="text"], body.dark textarea {
    background: #fff !important;
    color: #222 !important;
    border: 1px solid #ddd;
}

body.dark select option {
    background: #fff !important;
    color: #222 !important;
}

body.dark textarea::placeholder, body.dark input::placeholder {
    color: #999 !important;
}

/* Buttons */
button {
    margin-top: 0.3rem;
    padding: 0.5rem;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

#compare-btn {
    height: 3.5em;
    align-self: center;
    min-width: 110px;
    font-size: 1.1em;
    font-weight: 600;
    background: var(--primary-color) !important;
    color: #fff !important;
    border: 1px solid var(--primary-color) !important;
    box-shadow: 0 2px 8px rgba(106, 63, 199, 0.3);
}

#compare-btn:hover {
    background: #5a2fb7 !important;
    border-color: #5a2fb7 !important;
    color: #fff !important;
    box-shadow: 0 4px 12px rgba(106, 63, 199, 0.4);
    transform: translateY(-1px);
}

body.dark #compare-btn {
    background: var(--primary-light) !important;
    color: #1a1c1f !important;
    border: 1px solid var(--primary-light) !important;
    box-shadow: 0 2px 8px rgba(201, 195, 255, 0.2);
}

body.dark #compare-btn:hover {
    background: #ddd8ff !important;
    border-color: #ddd8ff !important;
    box-shadow: 0 4px 12px rgba(201, 195, 255, 0.3);
    color: #1a1c1f !important;
}

#dark-mode-toggle {
    background: var(--card-light);
    color: var(--primary-color);
    border: 1px solid var(--border-light);
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    font-weight: bold;
}

#dark-mode-toggle:hover {
    background: #ececf6;
    color: #3a3a3a;
}

body.dark #dark-mode-toggle {
    background: var(--card-dark);
    color: var(--primary-light) !important;
    border: 1px solid var(--border-dark);
    box-shadow: 0 1px 4px var(--shadow-dark);
}

body.dark #dark-mode-toggle:hover {
    background: #1e2124;
    color: #fff !important;
}

/* Results Section */
#results {
    margin-top: 2.2rem;
    background: #f0f4f8;
    border-radius: 8px;
    padding: 1.2rem;
    min-height: 110px;
    transition: background 0.3s, color 0.3s;
}

body.dark #results {
    background: var(--card-dark);
    color: #fff !important;
}

/* Release Blocks */
.release-block {
    background: #f5f8fa;
    border-radius: 8px;
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
    transition: background 0.3s, color 0.3s, box-shadow 0.3s;
}

body.dark .release-block {
    background: var(--card-dark);
    color: #fff !important;
    box-shadow: 0 2px 8px var(--shadow-dark);
}

.version-header {
    margin-top: 0;
    color: #3a3a3a;
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin-bottom: 0.5rem;
}

body.dark .version-header {
    color: var(--primary-light) !important;
}

.component-name {
    color: #3a3a3a;
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 1.2rem;
    margin-bottom: 0.2rem;
}

body.dark .component-name {
    color: var(--primary-light) !important;
}

/* Notes List */
.notes-list {
    margin-top: 0.2rem;
    margin-bottom: 1rem;
    padding-left: 0;
    font-size: 1rem;
    line-height: 1.6;
    list-style: none;
}

body.dark .notes-list {
    color: #fff !important;
}

.notes-list li {
    margin-bottom: 0.3rem;
    background: var(--card-light);
    color: var(--text-light);
    border-radius: 4px;
    padding: 0.4em 0.7em 0.4em 2em;
    box-shadow: 0 1px 2px rgba(0,0,0,0.03);
    border-left: 4px solid var(--primary-color);
    position: relative;
    transition: background 0.3s, color 0.3s;
}

.notes-list li::before {
    content: "\2022";
    color: var(--primary-color);
    font-size: 1.2em;
    position: absolute;
    left: 0.8em;
    top: 0.35em;
    line-height: 1;
}

body.dark .notes-list li {
    background: var(--card-dark);
    color: #f0f0f0 !important;
    border-left-color: var(--primary-color);
}

body.dark .notes-list li::before {
    color: var(--primary-light) !important;
}