/* style.css */

/* --- ROOT & VARIABLES --- */
:root {
    --color-navy-deep: #0a001a;
    --color-navy-light: #1a003a;
    --color-purple: #4a007a;
    --color-pink-neon: #ff00ff;
    --color-gold: #ffd700;
    --color-text: #f0e8ff;
    --color-text-dark: #333;
    --color-success: #00ff7f;
    --color-fail: #ff4d4d;
    --color-border: rgba(255, 215, 0, 0.3);

    --font-heading: 'Georgia', 'Times New Roman', serif; /* System fallback display font */
    --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

    --border-radius: 8px;
    --shadow-glow: 0 0 15px var(--color-pink-neon), 0 0 25px var(--color-pink-neon);
    --shadow-glow-gold: 0 0 15px var(--color-gold), 0 0 25px var(--color-gold);
}

/* --- BASE & BODY --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 100%; /* 16px */
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-navy-deep);
    background-image: linear-gradient(160deg, var(--color-navy-deep) 0%, var(--color-purple) 70%, var(--color-navy-light) 100%);
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
}

/* --- SPARKLE BACKGROUND --- */
.sparkle-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-image: 
        radial-gradient(circle, white 1px, transparent 1px),
        radial-gradient(circle, white 1px, transparent 1px);
    background-size: 50px 50px, 150px 150px;
    background-position: 0 0, 75px 75px;
    animation: sparkle-animation 60s linear infinite;
}

@keyframes sparkle-animation {
    from { background-position: 0 0, 75px 75px; }
    to { background-position: 500px 500px, 675px 675px; }
}

/* --- LAYOUT & HEADER --- */
.container {
    width: 90%;
    max-width: 800px; /* Per prompt 760-840px range */
    margin: 2rem auto;
    padding: 2rem;
    background: rgba(10, 0, 26, 0.6);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.site-header {
    text-align: center;
    padding: 2rem 1rem;
}

.title-main {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 5vw + 1rem, 3.5rem);
    color: var(--color-text);
    text-shadow: 0 0 5px var(--color-gold), 0 0 10px var(--color-gold), 0 0 20px var(--color-pink-neon);
    font-weight: 700;
    line-height: 1.1;
}

.title-sub {
    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    color: var(--color-gold);
    text-shadow: 0 0 10px var(--color-pink-neon);
    font-weight: 400;
    margin-top: 0.5rem;
}

/* --- FORM STYLING --- */
form {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

fieldset {
    border: none;
    padding: 0;
    margin: 0;
    border-bottom: 1px dashed var(--color-border);
    padding-bottom: 2rem;
}
fieldset:last-of-type {
    border-bottom: none;
}

legend {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-gold);
    text-shadow: 0 0 5px var(--color-pink-neon);
    margin-bottom: 1.5rem;
    width: 100%;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.label-bold {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.4;
}

/* --- INPUTS: Radio & Checkbox --- */
.radio-option,
.checkbox-option {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: rgba(26, 0, 58, 0.3);
    padding: 1rem;
    border-radius: var(--border-radius);
    border: 1px solid transparent;
    transition: all 0.3s ease;
}

.radio-option:hover,
.checkbox-option:hover {
    background: rgba(26, 0, 58, 0.7);
    border-color: var(--color-pink-neon);
}

.radio-option input[type="radio"],
.checkbox-option input[type="checkbox"] {
    appearance: none;
    width: 1.25em;
    height: 1.25em;
    border: 2px solid var(--color-gold);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.2s ease;
    display: grid;
    place-content: center;
    cursor: pointer;
}

.checkbox-option input[type="checkbox"] {
    border-radius: 4px;
}

.radio-option input[type="radio"]::before,
.checkbox-option input[type="checkbox"]::before {
    content: "";
    width: 0.75em;
    height: 0.75em;
    background-color: var(--color-pink-neon);
    border-radius: 50%;
    transform: scale(0);
    transition: transform 0.2s ease-in-out;
    box-shadow: var(--shadow-glow);
}

.checkbox-option input[type="checkbox"]::before {
    border-radius: 2px;
    clip-path: polygon(14% 44%, 0 65%, 50% 100%, 100% 16%, 80% 0%, 43% 62%);
    background-color: var(--color-success);
    box-shadow: 0 0 10px var(--color-success);
}

.radio-option input[type="radio"]:checked::before,
.checkbox-option input[type="checkbox"]:checked::before {
    transform: scale(1);
}

.radio-option input[type="radio"]:checked {
    border-color: var(--color-pink-neon);
}
.checkbox-option input[type="checkbox"]:checked {
    border-color: var(--color-success);
}

.radio-option label,
.checkbox-option label {
    cursor: pointer;
    line-height: 1.4;
}

.critical-check label {
    color: var(--color-gold);
    font-weight: 600;
}

/* --- INPUTS: Text, Textarea, Number --- */
input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: rgba(0, 0, 10, 0.5);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-pink-neon);
    box-shadow: 0 0 10px var(--color-pink-neon);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

/* --- INPUTS: Range Slider --- */
.slider {
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--color-border);
    border-radius: 5px;
    outline: none;
    cursor: pointer;
}

.slider::-webkit-slider-thumb {
    appearance: none;
    width: 24px;
    height: 24px;
    background: var(--color-gold);
    border-radius: 50%;
    border: 2px solid var(--color-navy-deep);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 0 10px var(--color-gold);
}
.slider::-moz-range-thumb {
    width: 24px;
    height: 24px;
    background: var(--color-gold);
    border-radius: 50%;
    border: 2px solid var(--color-navy-deep);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 0 10px var(--color-gold);
}
.slider:focus::-webkit-slider-thumb,
.slider:hover::-webkit-slider-thumb {
    background: var(--color-pink-neon);
    box-shadow: var(--shadow-glow);
}
.slider:focus::-moz-range-thumb,
.slider:hover::-moz-range-thumb {
    background: var(--color-pink-neon);
    box-shadow: var(--shadow-glow);
}

.slider-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.8;
}

/* --- INPUTS: Toggle Switch --- */
.toggle-group {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    background: rgba(26, 0, 58, 0.3);
    padding: 1rem;
    border-radius: var(--border-radius);
    flex-wrap: wrap; /* For mobile */
}

.toggle-label {
    flex: 1;
    min-width: 200px;
    line-height: 1.4;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 34px;
    flex-shrink: 0;
}

.toggle-input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #333;
    border: 1px solid var(--color-border);
    border-radius: 34px;
    transition: 0.4s;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 26px;
    width: 26px;
    left: 4px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: 0.4s;
}

.toggle-input:checked + .toggle-slider {
    background-color: var(--color-pink-neon);
    box-shadow: var(--shadow-glow);
}

.toggle-input:checked + .toggle-slider::before {
    transform: translateX(26px);
}

.toggle-input:focus-visible + .toggle-slider {
    box-shadow: 0 0 1px #fff, 0 0 5px var(--color-pink-neon);
}


/* --- BUTTONS --- */
.cta-button {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-navy-deep);
    background-color: var(--color-gold);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.3s ease;
    text-shadow: 1px 1px 1px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

/* Sparkle hover animation */
.sparkle-hover::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    opacity: 0;
}

.cta-button:hover,
.cta-button:focus-visible {
    outline: none;
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow-gold);
    color: #000;
}

.cta-button:hover::before {
    width: 250%;
    height: 500px; /* Big enough to cover button */
    opacity: 1;
    transition: width 0.6s ease, height 0.6s ease, opacity 0.8s ease;
}

.cta-button:active {
    transform: translateY(0);
}

/* --- PROGRESS BAR --- */
.progress-container {
    margin-top: 2rem;
    transition: opacity 0.5s ease;
}
.progress-container.hidden {
    opacity: 0;
    pointer-events: none;
    height: 0;
    overflow: hidden;
}
.progress-bar-outer {
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 10, 0.5);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    overflow: hidden;
}
.progress-bar-inner {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold), var(--color-pink-neon));
    border-radius: 6px;
    transition: width 0.5s cubic-bezier(0.25, 1, 0.5, 1); /* Smooth, slightly bouncy transition */
    box-shadow: var(--shadow-glow-gold);
}
.progress-message {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-gold);
    text-shadow: 0 0 5px var(--color-pink-neon);
    margin-top: 0.75rem;
    height: 1.5em; /* Reserve space to prevent layout shift */
}

/* --- UX & HELPERS --- */
.disabled-form {
    filter: blur(5px);
    opacity: 0.5;
    pointer-events: none;
    transition: all 0.4s ease;
}

.error-message {
    color: var(--color-fail);
    font-size: 0.9rem;
    font-weight: 600;
    display: none; /* Hidden by default */
}
.error-message.visible {
    display: block;
}

.char-count-container {
    font-size: 0.9rem;
    color: var(--color-text);
    opacity: 0.7;
    text-align: right;
}

.tooltip {
    display: inline-block;
    position: relative;
    background: var(--color-gold);
    color: var(--color-navy-deep);
    width: 1.25rem;
    height: 1.25rem;
    border-radius: 50%;
    text-align: center;
    font-style: normal;
    font-weight: 700;
    font-family: 'Times New Roman', Times, serif;
    cursor: help;
    margin-left: 0.25rem;
    font-size: 0.9rem;
    line-height: 1.25rem;
}

.tooltip::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-text);
    color: var(--color-text-dark);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    width: 250px;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
    z-index: 10;
}
.tooltip::after { /* Tooltip arrow */
    content: '';
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    border: 8px solid transparent;
    border-top-color: var(--color-text);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}

.tooltip:hover::before,
.tooltip:hover::after {
    opacity: 1;
    visibility: visible;
}

/* --- MODALS --- */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 0, 26, 0.8);
    backdrop-filter: blur(10px);
    display: grid;
    place-items: center;
    z-index: 1000;
}
.modal-overlay[hidden] {
    display: none;
}

.modal-content {
    background: var(--color-navy-deep);
    border: 2px solid var(--color-gold);
    border-radius: var(--border-radius);
    padding: 2rem;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 0 30px var(--color-gold), 0 0 50px var(--color-pink-neon);
    animation: modal-fade-in 0.5s ease-out;
}

@keyframes modal-fade-in {
    from { opacity: 0; transform: scale(0.8); }
    to { opacity: 1; transform: scale(1); }
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    text-align: center;
    color: var(--color-gold);
    margin-bottom: 1rem;
}
.modal-title-fail {
    color: var(--color-fail);
    text-shadow: 0 0 10px var(--color-fail);
}

.modal-content p {
    font-size: 1.1rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.modal-content .cta-button {
    display: block;
    width: 100%;
    margin-top: 2rem;
}

/* --- RESULT MODAL STYLING --- */
#result-verdict-text {
    font-size: 1.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 1rem;
    line-height: 1.4;
}

/* PASS */
.modal-content.pass {
    border-color: var(--color-success);
    box-shadow: 0 0 30px var(--color-success), 0 0 50px var(--color-success);
    /* Simple confetti simulation */
    background-image: linear-gradient(var(--color-success), var(--color-success)),
                      linear-gradient(var(--color-pink-neon), var(--color-pink-neon)),
                      linear-gradient(var(--color-gold), var(--color-gold));
    background-size: 10px 10px, 6px 6px, 8px 8px;
    background-repeat: no-repeat;
    animation: modal-fade-in 0.5s ease-out, confetti-animation 1s ease-out forwards;
}

@keyframes confetti-animation {
    0% { background-position: 10% 0%, 50% 0%, 80% 0%; }
    100% { background-position: 15% 120%, 55% 120%, 85% 120%; }
}

#result-verdict-text.pass {
    color: var(--color-success);
}

/* FAIL */
.modal-content.fail {
    border-color: var(--color-fail);
    box-shadow: 0 0 30px var(--color-fail);
}
#result-verdict-text.fail {
    color: var(--color-fail);
}

.score-breakdown {
    margin-top: 2rem;
    border-top: 1px dashed var(--color-border);
    padding-top: 1rem;
}
.score-breakdown h4 {
    font-family: var(--font-heading);
    text-align: center;
    font-size: 1.25rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

#score-table {
    width: 100%;
    border-collapse: collapse;
}
#score-table th, #score-table td {
    padding: 0.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}
#score-table th {
    color: var(--color-gold);
}
#score-table tfoot td {
    font-weight: 700;
    font-size: 1.1rem;
}
#score-table td:last-child {
    text-align: right;
    font-weight: 600;
}

/* --- FOOTER --- */
.site-footer {
    text-align: center;
    padding: 3rem 1rem 1rem 1rem;
    margin-top: 3rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text);
    opacity: 0.7;
}
.deployment-notes {
    max-width: 600px;
    margin: 0 auto 2rem auto;
    background: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: var(--border-radius);
    text-align: left;
}
.deployment-notes h3 {
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}
.copyright {
    font-size: 0.9rem;
}


/* --- RESPONSIVENESS --- */
@media (max-width: 768px) {
    .container {
        width: 100%;
        margin: 1rem 0;
        padding: 1.5rem 1rem;
        border-radius: 0;
        border-left: none;
        border-right: none;
    }

    .site-header {
        padding: 1.5rem 1rem;
    }
    
    .toggle-group {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .toggle-switch {
        margin-top: 0.5rem;
        align-self: flex-end;
    }
}