/* ============================================= */
/* --- 1. Root Variables & Color Palette --- */
/* ============================================= */
:root {
    --primary-color: #c00000;
    --secondary-color: #c42e00;
    --bg-color-light: #f8f9fa;
    --card-bg-light: #ffffff;
    --text-color-light: #202124;
    --light-text-light: #5f6368;
    --border-color-light: #dadce0;
    --success-color: #34A853;
    --warning-color: #FBBC04;
    --error-color: #EA4335;
    --accent-purple: #8E66FF;
    --selected-bg: linear-gradient(90deg, var(--primary-color) 0%, var(--accent-purple) 100%);
    --font-main: 'Google Sans', 'Roboto', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
}

/* ============================================= */
/* --- 2. Base Layout & Body Styles --- */
/* ============================================= */
html, body { 
    height: 100%; 
    margin: 0; 
    overflow: hidden; 
}

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-color-light);
    color: var(--text-color-light);
    transition: background-color 0.3s, color 0.3s;
    -webkit-tap-highlight-color: transparent;
    font-size: 16px;
}

.app-container {
    width: 100%;
    height: 100%;
    display: flex;
    transition: background-color 0.3s;
}

/* ============================================= */
/* --- 3. Preloader & Animations --- */
/* ============================================= */
.preloader-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(5px);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loader-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 5px solid var(--border-color-light);
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
    20%, 40%, 60%, 80% { transform: translateX(5px); }
}

/* ============================================= */
/* --- 4. Sidebar & Progress Stepper --- */
/* ============================================= */
.sidebar {
    width: 260px;
    background: var(--card-bg-light);
    border-right: 1px solid var(--border-color-light);
    padding: 24px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s;
}

.sidebar-header {
    font-family: var(--font-main);
    font-size: 1.5em;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 30px;
}

.progress-stepper {
    list-style: none;
    padding: 0;
    margin: 0;
}

.progress-step {
    display: flex;
    align-items: center;
    padding: 12px 0;
    position: relative;
    opacity: 0.5;
    transition: opacity 0.4s ease;
}
.progress-step.active { opacity: 1; font-weight: 700; }
.progress-step.completed { opacity: 0.8; }

.progress-step:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 12px;
    top: 38px;
    height: calc(100% - 24px);
    width: 2px;
    background-color: var(--border-color-light);
}
.progress-step.completed:not(:last-child)::before {
    background-color: var(--primary-color);
}

.step-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid var(--border-color-light);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 0.8em;
    font-weight: 700;
    margin-right: 16px;
    background: var(--bg-color-light);
    transition: all 0.4s ease;
    z-index: 1; /* Ensures circle is above the line */
}
.progress-step.active .step-circle {
    border-color: var(--primary-color);
    background-color: var(--primary-color);
    color: white;
}
.progress-step.completed .step-circle {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.sidebar-footer {
    margin-top: auto;
    font-size: 0.8em;
    color: var(--light-text-light);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* ============================================= */
/* --- 5. Wizard & Content Area --- */
/* ============================================= */
#wizard-container {
    flex-grow: 1;
    overflow-y: auto;
    padding: 40px 5vw;
}

.wizard-step {
    display: none;
    animation: fadeIn 0.5s;
    max-width: 900px;
    margin: 0 auto;
}
.wizard-step.active { display: block; }

h1 { font-family: var(--font-main); font-size: 2.5em; font-weight: 700; margin-bottom: 8px; }
h2 { font-family: var(--font-main); font-size: 1.2em; font-weight: 400; color: var(--light-text-light); margin-bottom: 40px; }
h3 { font-family: var(--font-main); font-size: 1.1em; font-weight: 500; margin-top: 30px; margin-bottom: 15px; border-bottom: 1px solid var(--border-color-light); padding-bottom: 10px; }

.form-group { margin-bottom: 20px; }

input[type="text"], input[type="number"] {
    width: 100%;
    box-sizing: border-box;
    padding: 16px 18px;
    border: 1px solid var(--border-color-light);
    border-radius: 8px;
    font-size: 1em;
    font-family: var(--font-secondary);
    transition: border-color 0.3s, box-shadow 0.3s;
    background: var(--card-bg-light);
    color: var(--text-color-light);
}

input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

/* ============================================= */
/* --- 6. Buttons & Interactive Elements --- */
/* ============================================= */
.button-group {
    margin-top: 40px;
    display: flex;
    gap: 12px;
    justify-content: space-between;
    align-items: center;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 500;
    font-family: var(--font-main);
    cursor: pointer;
    transition: all 0.2s ease-out; /* Animation */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}
.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.btn-secondary {
    background: none;
    color: var(--primary-color);
    border: 1px solid var(--border-color-light);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.btn:active {
    transform: translateY(0) scale(0.98);
    box-shadow: none;
}

.starter-choice-container { display: flex; gap: 20px; margin-top: 40px; }
.starter-btn {
    flex: 1;
    background: var(--card-bg-light);
    border: 1px solid var(--border-color-light);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}
.starter-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px -5px rgba(0,0,0,0.1);
}
.starter-btn strong {
    font-family: var(--font-main);
    font-size: 1.2em;
    color: var(--primary-color);
    display: block;
    margin-bottom: 8px;
}
.starter-btn span { font-size: 1em; color: var(--light-text-light); }

.template-category-container { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 30px; }
.template-cat-btn {
    background: var(--card-bg-light);
    border: 1px solid var(--border-color-light);
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.95em;
    font-family: var(--font-main);
    color: var(--text-color-light);
    transition: all 0.3s ease;
}
.template-cat-btn.selected, .template-cat-btn:hover {
    border-color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 10%, transparent);
    color: var(--primary-color);
}
.template-selection-area { display: none; grid-template-columns: 1fr 1fr; gap: 30px; }
.checkbox-list { display: flex; flex-direction: column; gap: 10px; }
.checkbox-list label { display: flex; align-items: center; gap: 10px; padding: 10px; border-radius: 6px; cursor: pointer; transition: background-color 0.2s; }
.checkbox-list label:hover { background-color: color-mix(in srgb, var(--primary-color) 5%, transparent); }
.checkbox-list input[type="checkbox"] {
    width: 1.3em;
    height: 1.3em;
    accent-color: var(--primary-color);
}

/* ============================================= */
/* --- 7. Comparison & Results UI --- */
/* ============================================= */
.comparison-table { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.comparison-card { border: 1px solid var(--border-color-light); border-radius: 12px; padding: 20px; transition: all 0.3s ease; background: var(--card-bg-light); }
.comparison-card.inconsistent-highlight { animation: shake 0.5s; border-color: var(--error-color); box-shadow: 0 0 12px color-mix(in srgb, var(--error-color) 30%, transparent); }
.comparison-card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; font-weight: 500; text-align: center; font-size: 1.1em; font-family: var(--font-main); }
.item-name { flex: 1; padding: 0 8px; }
.vs-text { color: var(--light-text-light); }
.comparison-choice-container { display: grid; grid-template-columns: 1fr auto 1fr; align-items: stretch; gap: 10px; }
.comparison-side { display: flex; flex-direction: column; gap: 8px; }
.comparison-btn { background-color: var(--bg-color-light); border: 1px solid var(--border-color-light); padding: 12px 5px; border-radius: 8px; cursor: pointer; font-size: 0.9em; font-weight: 500; font-family: var(--font-secondary); color: var(--text-color-light); transition: all 0.2s ease-in-out; -webkit-tap-highlight-color: transparent; height: 100%; }
.comparison-btn.equal { display: flex; align-items: center; justify-content: center; }
.comparison-btn.selected { background-image: var(--selected-bg); color: white; border-color: transparent; font-weight: 700; transform: scale(1.03); }
.comparison-btn:disabled { cursor: not-allowed; background-color: var(--border-color-light); }

.consistency-feedback { padding: 20px; border-radius: 12px; margin-top: 30px; border-left: 5px solid; text-align: left; display: flex; align-items: center; gap: 15px; }
.consistency-feedback.good { border-color: var(--success-color); background-color: color-mix(in srgb, var(--success-color) 10%, transparent); }
.consistency-feedback.warning { border-color: var(--warning-color); background-color: color-mix(in srgb, var(--warning-color) 10%, transparent); }
.consistency-feedback.bad { border-color: var(--error-color); background-color: color-mix(in srgb, var(--error-color) 10%, transparent); }
.feedback-icon { font-size: 2em; }
.feedback-text strong { display: block; margin-bottom: 5px; font-size: 1.1em; font-family: var(--font-main); }
.feedback-text .cr-value { font-weight: 700; }
.consistency-feedback.good strong { color: var(--success-color); }
.consistency-feedback.warning strong { color: var(--warning-color); }
.consistency-feedback.bad strong { color: var(--error-color); }
        
#results-list { list-style-type: none; padding: 0; margin-top: 20px; }
#results-list li { padding: 20px; margin-bottom: 12px; border-radius: 12px; display: flex; flex-wrap: wrap; align-items: center; background-color: var(--card-bg-light); border: 1px solid var(--border-color-light); transition: all 0.3s ease; }
#results-list li:first-child { background-color: color-mix(in srgb, var(--success-color) 15%, transparent); border-color: var(--success-color); }
#results-list li .result-rank { font-size: 1.5em; font-weight: 700; margin-right: 20px; color: var(--light-text-light); }
#results-list li:first-child .result-rank { color: var(--success-color); }
#results-list li .result-name { flex-grow: 1; font-weight: 700; font-size: 1.2em; font-family: var(--font-main); }
.score-bar-container { flex-basis: 100%; height: 8px; background: var(--bg-color-light); border-radius: 8px; margin: 10px 0; overflow: hidden; }
.score-bar { height: 100%; background-image: var(--selected-bg); border-radius: 8px; }
#results-list li .result-score { font-size: 1.2em; font-weight: 700; color: var(--primary-color); margin-left: auto; padding-left: 20px; }
        
/* ============================================= */
/* --- 8. Mobile Responsiveness --- */
/* ============================================= */
@media screen and (max-width: 768px) {
    .app-container { flex-direction: column; }
    .sidebar { width: 100%; height: auto; border-right: none; border-bottom: 1px solid var(--border-color-light); flex-direction: row; justify-content: space-between; align-items: center; padding: 10px; }
    .sidebar-header { display: none; }
    .sidebar-footer p { display: none; }
    .progress-stepper { display: flex; justify-content: flex-start; width: auto; }
    .progress-step .step-label { display: none; }
    .progress-step:not(:last-child)::before { display: none; }
    h1 { font-size: 2em; } 
    h2 { font-size: 1em; }
    #wizard-container { padding: 20px; }
    .starter-choice-container { flex-direction: column; }
    .template-selection-area { grid-template-columns: 1fr; }
    #results-list li .result-name { flex-basis: 100%; margin-bottom: 5px; }
}