/* Custom Properties / Variables */
:root {
    /* --- NEW NEON THEME --- */
    --primary-color: #00FFFF; /* Neon Cyan */
    --primary-color-dark: #00EFFF; /* Lighter cyan for hover */
    --primary-color-light: rgba(0, 255, 255, 0.15); /* Glow for focus states */
    --secondary-color: rgba(20, 20, 20, 0.5); /* Dark, semi-transparent section background */
    --text-color: #E0E0E0; /* Light grey text */
    --text-light: #AAAAAA; /* Dimmer text */
    --border-color: rgba(0, 255, 255, 0.3); /* Neon cyan border */
    --card-bg: #111111; /* Very dark grey card */
    --gradient-start: #000000; /* Solid Black Background */
    --gradient-end: #000000;   /* Solid Black Background */
    --input-bg: #222222; /* Dark input */
    
    /* --- NEON GLOW EFFECTS --- */
    --neon-glow: 0 0 5px #fff, 
                 0 0 10px #fff, 
                 0 0 15px var(--primary-color), 
                 0 0 20px var(--primary-color);
    
    --neon-box-glow: 0 0 5px var(--primary-color), 
                     0 0 10px var(--primary-color-light);

    --transition-speed: 0.3s;
    --border-radius-main: 15px;
    --border-radius-input: 10px;
}

/* Base Styles */
body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--text-color); /* Changed to light text */
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    /* Removed the subtle pattern to make the background 'blank' black */
}

/* Main Container */
.container {
    background-color: var(--card-bg);
    border-radius: var(--border-radius-main);
    /* --- NEON GLOW --- */
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color-light);
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 900px;
    padding: 50px;
    box-sizing: border-box;
    position: relative;
    z-index: 1;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.container.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Header */
header {
    text-align: center;
    padding-bottom: 30px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color);
}

header h1 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color);
    font-size: 3.2rem;
    margin: 0 0 5px 0;
    font-weight: 700;
    letter-spacing: 1px;
    /* --- NEON GLOW --- */
}

header h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2rem;
    margin: 5px 0 15px 0;
    font-weight: 500;
    color: var(--text-color); /* Changed to light text */
}

header p {
    font-size: 1.1rem;
    color: var(--text-light); /* Changed to dimmer light text */
    line-height: 1.6;
    max-width: 600px;
    margin: 0 auto;
}

/* Form Sections */
.form-section {
    background-color: var(--secondary-color);
    border-radius: var(--border-radius-main);
    padding: 30px;
    margin-bottom: 35px;
    border: 1px solid var(--border-color);
    /* --- NEON GLOW (subtle) --- */
    box-shadow: 0 0 10px var(--primary-color-light) inset;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.form-section.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.form-section h3 {
    font-family: 'Montserrat', sans-serif;
    color: var(--primary-color); /* Changed to neon */
    font-size: 1.8rem;
    margin-top: 0;
    margin-bottom: 25px;
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 15px;
    /* --- NEON GLOW (subtle) --- */
    text-shadow: 0 0 5px var(--primary-color-light);
}

/* Form Groups */
.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 10px;
    font-size: 1.1rem;
    color: var(--text-color);
}

input[type="text"],
input[type="date"],
textarea,
input[type="file"] {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-input);
    box-sizing: border-box;
    font-size: 1rem;
    background-color: var(--input-bg);
    color: var(--text-color); /* Changed to light text */
    transition: border-color var(--transition-speed), box-shadow var(--transition-speed);
}

input[type="text"]:focus,
input[type="date"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-color-light);
    background-color: #333; /* Darker focus background */
}

textarea {
    resize: vertical;
    min-height: 120px;
}

.form-row {
    display: flex;
    gap: 25px;
}

.form-row .form-group {
    flex: 1;
}

input[readonly] {
    background-color: #333; /* Dark readonly */
    cursor: not-allowed;
    color: var(--text-light);
    border-style: dashed;
}

/* Custom Checkbox Group */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 15px;
}

.custom-checkbox {
    display: flex;
    align-items: center;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    padding: 15px 20px;
    border-radius: var(--border-radius-input);
    font-weight: 500;
    color: var(--text-color); /* Added light text color */
    cursor: pointer;
    transition: background-color var(--transition-speed), border-color var(--transition-speed), box-shadow var(--transition-speed);
    position: relative;
    user-select: none;
}

.custom-checkbox:hover {
    background-color: var(--primary-color-light); /* Neon glow background */
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-color-light);
}

.custom-checkbox input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    height: 22px;
    width: 22px;
    background-color: #333; /* Dark checkmark box */
    border: 2px solid var(--border-color);
    border-radius: 5px;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

/* Style the checkmark (indicator) when checked */
.custom-checkbox input:checked ~ .checkmark {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    /* --- NEON GLOW --- */
    box-shadow: var(--neon-box-glow);
}

/* Create the checkmark icon */
.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

/* Show the checkmark when checked */
.custom-checkbox input:checked ~ .checkmark:after {
    display: block;
}

/* Style the checkmark icon */
.custom-checkbox .checkmark:after {
    left: 8px;
    top: 3px;
    width: 7px;
    height: 13px;
    border: solid #000; /* Black checkmark for contrast */
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.field-description {
    font-size: 0.95rem;
    color: var(--text-light);
    margin-top: -10px;
    margin-bottom: 15px;
    line-height: 1.5;
}

input[type="file"] {
    padding: 10px;
    border-style: dashed;
    background-color: var(--primary-color-light);
    color: var(--primary-color);
}

input[type="file"]::file-selector-button {
    background-color: var(--primary-color);
    color: #000; /* Black text for contrast */
    padding: 8px 15px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    margin-right: 10px;
    transition: background-color var(--transition-speed);
    /* --- NEON GLOW --- */
    box-shadow: var(--neon-box-glow);
}

input[type="file"]::file-selector-button:hover {
    background-color: var(--primary-color-dark);
}


/* Submit Button */
.submit-btn {
    width: 100%;
    background-color: var(--primary-color);
    color: #000; /* Black text for contrast */
    font-size: 1.3rem;
    font-weight: 700;
    padding: 18px;
    border: none;
    border-radius: var(--border-radius-input);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform 0.2s, box-shadow var(--transition-speed);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    /* --- NEON GLOW --- */
    box-shadow: 0 0 10px var(--primary-color), 0 0 20px var(--primary-color);
}

.submit-btn:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-3px);
    /* --- NEON GLOW (brighter) --- */
    box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
}

.submit-btn:active {
    transform: translateY(0);
    box-shadow: 0 0 10px var(--primary-color);
}

/* --- Loading Screen Styles --- */
#loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    visibility: visible;
    transition: opacity 0.8s ease-out, visibility 0.8s ease-out;
}

#loading-screen.fade-out {
    opacity: 0;
    visibility: hidden;
}

.loader-content {
    text-align: center;
    color: white;
}

.loader-content .logo-placeholder {
    width: 150px;
    height: 150px;
    background-color: var(--primary-color);
    border-radius: 50%;
    margin: 0 auto 20px auto;
    display: flex;
    align-items: center;
    justify-content: center;
    /* --- NEON GLOW --- */
    box-shadow: 0 0 20px var(--primary-color), 0 0 30px var(--primary-color);
    animation: pulse 2s infinite ease-in-out;
}

.loader-content .logo-placeholder img {
    max-width: 200%;
    max-height: 200%;
    border-radius: 50%;
}

.loader-content h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 30px;
    letter-spacing: 1px;
    /* --- NEON GLOW --- */
    text-shadow: var(--neon-glow);
}

.progress-bar-container {
    width: 300px;
    height: 10px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    overflow: hidden;
    margin: 0 auto;
    box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.2);
}

.progress-bar-fill {
    height: 100%;
    width: 0%;
    background-color: var(--primary-color);
    border-radius: 5px;
    transition: width 0.4s ease-out;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    /* --- NEON GLOW --- */
    box-shadow: 0 0 10px var(--primary-color);
}

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 20px var(--primary-color); }
    50% { transform: scale(1.05); box-shadow: 0 0 35px var(--primary-color); }
    100% { transform: scale(1); box-shadow: 0 0 20px var(--primary-color); }
}

/* Utility classes */
.hidden {
    display: none;
}

/* Responsive design (No changes needed, but kept for completeness) */
@media (max-width: 768px) {
    body {
        padding: 15px;
    }
    .container {
        padding: 30px;
    }
    header h1 {
        font-size: 2.5rem;
    }
    header h2 {
        font-size: 1.5rem;
    }
    .form-section {
        padding: 20px;
    }
    .form-section h3 {
        font-size: 1.5rem;
        margin-bottom: 20px;
    }
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .form-group {
        margin-bottom: 20px;
    }
    .checkbox-group {
        grid-template-columns: 1fr;
    }
    .submit-btn {
        font-size: 1.1rem;
        padding: 15px;
    }
    .loader-content h2 {
        font-size: 1.8rem;
    }
    .progress-bar-container {
        width: 250px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 20px;
        border-radius: 10px;
    }
    header h1 {
        font-size: 2rem;
    }
    header h2 {
        font-size: 1.3rem;
    }
    .loader-content .logo-placeholder {
        width: 120px;
        height: 120px;
    }
    .loader-content h2 {
        font-size: 1.5rem;
    }
}

/* ===============================================
== STYLES FOR SUBMISSION & POPUP (NEON THEME) ==
===============================================
*/

/* --- Submission Progress Bar --- */
.submission-progress-container {
    width: 100%;
    height: 40px;
    background-color: var(--input-bg); /* Dark */
    border-radius: var(--border-radius-input);
    overflow: hidden;
    margin-top: 20px;
    position: relative;
    border: 1px solid var(--border-color);
}

.submission-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--primary-color-dark) 100%);
    box-shadow: 0 0 10px var(--primary-color); /* Neon Glow */
    transition: width 0.1s linear;
}

.submission-progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #000; /* Black text for contrast */
    font-weight: 600;
    font-size: 1rem;
    text-shadow: 0 1px 1px rgba(255, 255, 255, 0.5);
}

/* --- Screen Shake Animation --- */
@keyframes screen-shake {
    0% { transform: translate(1px, 1px) rotate(0deg); }
    10% { transform: translate(-1px, -2px) rotate(-1deg); }
    20% { transform: translate(-3px, 0px) rotate(1deg); }
    30% { transform: translate(3px, 2px) rotate(0deg); }
    40% { transform: translate(1px, -1px) rotate(1deg); }
    50% { transform: translate(-1px, 2px) rotate(-1deg); }
    60% { transform: translate(-3px, 1px) rotate(0deg); }
    70% { transform: translate(3px, 1px) rotate(-1deg); }
    80% { transform: translate(-1px, -1px) rotate(1deg); }
    90% { transform: translate(1px, 2px) rotate(0deg); }
    100% { transform: translate(1px, -2px) rotate(-1deg); }
}

body.shaking {
    animation: screen-shake 0.5s infinite;
}

/* --- Success Popup --- */
.success-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.success-popup.visible {
    opacity: 1;
    visibility: visible;
}

.success-popup.hidden {
    display: flex; 
}

.success-popup-content {
    background: var(--card-bg); /* Dark background */
    padding: 40px;
    border-radius: var(--border-radius-main);
    text-align: center;
    border: 1px solid var(--border-color); /* Neon border */
    box-shadow: var(--neon-box-glow); /* Neon Glow */
    transform: scale(0.7);
    transition: transform 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

.success-popup.visible .success-popup-content {
    transform: scale(1);
}

.success-icon {
    font-size: 5rem;
    color: var(--primary-color); /* Changed to neon */
    line-height: 1;
    margin-bottom: 20px;
    animation: pulse 1s ease-in-out;
    /* --- NEON GLOW --- */
    text-shadow: 0 0 10px var(--primary-color);
}

.success-popup-content h2 {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-color);
    margin-top: 0;
    font-size: 2.2rem;
}

.success-popup-content p {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 400px;
}

#close-popup-btn {
    background-color: var(--primary-color);
    color: #000; /* Black text for contrast */
    font-size: 1rem;
    font-weight: 600;
    padding: 12px 30px;
    border: none;
    border-radius: var(--border-radius-input);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform 0.2s;
    /* --- NEON GLOW --- */
    box-shadow: var(--neon-box-glow);
}

#close-popup-btn:hover {
    background-color: var(--primary-color-dark);
    transform: translateY(-2px);
}