/* Jupiter Problem Solver Styles - Matching the main site theme */

:root {
    --bg-gradient: linear-gradient(135deg, #0f2027 0%, #2c5364 100%);
    --card-bg: rgb(30 37 64 / 90%);
    --card-glow: 0 0 30px 10px #00fff7, 0 0 60px 20px #00c3ff;
    --card-hover-glow: 0 0 40px 15px #ff00e6, 0 0 80px 30px #00fff7;
    --pulse-color: #00fff7;
    --pulse-color-2: #ff00e6;
    --glass: rgb(255 255 255 / 10%);
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
}

* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    min-height: 100vh;
    background: var(--bg-gradient);
    font-family: 'Inter', Arial, sans-serif;
    color: #fff;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header Styles */
header {
    background: rgba(15, 32, 39, 0.85);
    padding: 2rem 3rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    max-width: 1200px;
    margin: 0 auto;
}

.header-logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #fff;
    transition: transform 0.3s ease;
    flex-shrink: 0;
}

.header-logo-link:hover {
    transform: scale(1.05);
}

#header-logo {
    height: 48px;
    width: 48px;
}

.header-text {
    text-align: center;
}

.header-text h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.5rem 0;
    text-shadow: 0 0 12px var(--pulse-color), 0 0 24px var(--pulse-color-2);
    letter-spacing: 1px;
}

.header-text p {
    font-size: 1.1rem;
    margin: 0;
    opacity: 0.9;
    text-shadow: 0 0 8px rgba(0, 255, 247, 0.3);
}

/* Main Content */
main {
    padding: 2rem;
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}

.container {
    background: var(--card-bg);
    border-radius: 1.5rem;
    padding: 2.5rem;
    box-shadow: var(--card-glow);
    border: 2px solid var(--pulse-color);
    animation: card-pulse 2.5s infinite alternate;
    margin-bottom: 2rem;
}

@keyframes card-pulse {
    0% {
        box-shadow: var(--card-glow);
        border-color: var(--pulse-color);
    }
    100% {
        box-shadow: 0 0 60px 25px var(--pulse-color-2);
        border-color: var(--pulse-color-2);
    }
}

/* Form Styles */
#problem-form-section h2 {
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    text-shadow: 0 0 15px var(--pulse-color), 0 0 30px var(--pulse-color-2);
    letter-spacing: 1px;
}

.intro-text {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    opacity: 0.9;
    line-height: 1.7;
}

/* Mandatory Note */
.mandatory-note {
    background: rgba(0, 255, 247, 0.1);
    border: 1px solid rgba(0, 255, 247, 0.3);
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

.mandatory-note p {
    margin: 0;
    font-size: 1rem;
    color: var(--pulse-color);
    font-weight: 500;
}

/* Required Field Indicators */
.required-field {
    position: relative;
}

.required-indicator {
    color: var(--error-color);
    font-weight: bold;
    font-size: 1.2rem;
    margin-left: 0.25rem;
    text-shadow: 0 0 8px rgba(220, 53, 69, 0.5);
}

.required-field label {
    font-weight: 600;
    color: var(--pulse-color);
}

.required-field input,
.required-field select,
.required-field textarea {
    border-color: rgba(220, 53, 69, 0.3);
}

.required-field input:focus,
.required-field select:focus,
.required-field textarea:focus {
    border-color: var(--pulse-color);
    box-shadow: 0 0 15px rgba(0, 255, 247, 0.5);
}

/* Form Sections */
.form-section {
    margin-bottom: 3rem;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 1rem;
    border: 1px solid rgba(0, 255, 247, 0.2);
}

.form-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--pulse-color);
    text-shadow: 0 0 10px rgba(0, 255, 247, 0.5);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.section-intro {
    font-size: 1rem;
    margin-bottom: 2rem;
    opacity: 0.8;
    font-style: italic;
    color: #ccc;
}

/* Optional Section Styling */
.optional-section {
    border-color: rgba(255, 165, 0, 0.3);
    background: rgba(255, 165, 0, 0.02);
}

.optional-section h3 {
    color: #ffa500;
    text-shadow: 0 0 10px rgba(255, 165, 0, 0.3);
}

/* Quantification Grid */
.quantification-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.quantification-grid .form-group {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .quantification-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .form-section {
        padding: 1.5rem;
        margin-bottom: 2rem;
    }
    
    .form-section h3 {
        font-size: 1.3rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.3rem;
    }
}

.form-group {
    margin-bottom: 2rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    color: var(--pulse-color);
    text-shadow: 0 0 8px rgba(0, 255, 247, 0.3);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(0, 255, 247, 0.3);
    border-radius: 0.5rem;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--pulse-color);
    box-shadow: 0 0 15px rgba(0, 255, 247, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

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

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background: #2c5364;
    color: #fff;
}

.hint {
    display: block;
    font-size: 0.9rem;
    color: #ccc;
    margin-top: 0.5rem;
    opacity: 0.8;
}

/* Checkbox Styles */
.checkbox-label {
    display: flex;
    align-items: flex-start;
    cursor: pointer;
    font-weight: 500;
    position: relative;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

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

.checkmark {
    position: absolute;
    left: 0;
    top: 0;
    height: 1.5rem;
    width: 1.5rem;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(0, 255, 247, 0.3);
    border-radius: 0.25rem;
    transition: all 0.3s ease;
}

.checkbox-label:hover input ~ .checkmark {
    background-color: rgba(0, 255, 247, 0.2);
    border-color: var(--pulse-color);
}

.checkbox-label input:checked ~ .checkmark {
    background-color: var(--pulse-color);
    border-color: var(--pulse-color);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
    left: 0.45rem;
    top: 0.15rem;
    width: 0.5rem;
    height: 1rem;
    border: solid #0f2027;
    border-width: 0 3px 3px 0;
    transform: rotate(45deg);
}

.checkbox-label input:checked ~ .checkmark:after {
    display: block;
}

/* Button Styles */
.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin: 3rem 0 2rem 0;
}

.button {
    background: linear-gradient(90deg, var(--pulse-color) 0%, var(--pulse-color-2) 100%);
    color: #fff;
    border: none;
    padding: 1rem 2rem;
    border-radius: 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(0, 255, 247, 0.5);
    letter-spacing: 1px;
}

.button:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 25px rgba(0, 255, 247, 0.8);
    background: linear-gradient(90deg, var(--pulse-color-2) 0%, var(--pulse-color) 100%);
}

.button-success {
    background: linear-gradient(90deg, var(--success-color) 0%, #20c997 100%);
}

.button-secondary {
    background: linear-gradient(90deg, #6c757d 0%, #495057 100%);
}

.button-primary {
    background: linear-gradient(90deg, #007bff 0%, #0056b3 100%);
}

/* Privacy Note */
.privacy-note {
    background: rgba(255, 255, 255, 0.05);
    border-left: 4px solid var(--pulse-color);
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-top: 2rem;
}

.privacy-note p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Success Message */
#success-message {
    text-align: center;
    padding: 3rem 2rem;
}

.success-content h2 {
    font-size: 2.5rem;
    color: var(--success-color);
    margin-bottom: 1.5rem;
    text-shadow: 0 0 15px rgba(40, 167, 69, 0.5);
}

.success-content p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.success-content ul {
    text-align: left;
    max-width: 500px;
    margin: 2rem auto;
    font-size: 1.1rem;
}

.success-content li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 2rem;
}

.success-content li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.success-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

/* Footer */
footer {
    text-align: center;
    padding: 2rem;
    background: rgba(15, 32, 39, 0.85);
    margin-top: 3rem;
}

footer p {
    margin: 0.5rem 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

footer a {
    color: var(--pulse-color);
    text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

.visitor-count {
    vertical-align: middle;
    margin-left: 0.5rem;
}

/* Hidden utility */
.hidden {
    display: none !important;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem 1rem;
        gap: 1rem;
    }

    .header-logo-link {
        margin-right: 0;
    }

    .header-text {
        margin: 0;
        text-align: center;
    }

    .header-text h1 {
        font-size: 1.8rem;
    }

    .header-text p {
        font-size: 1rem;
    }

    main {
        padding: 1rem;
    }

    .container {
        padding: 1.5rem;
    }

    #problem-form-section h2 {
        font-size: 2rem;
    }

    .intro-text {
        font-size: 1.1rem;
    }

    .form-actions {
        flex-direction: column;
        align-items: center;
    }

    .button {
        width: 100%;
        max-width: 300px;
    }

    .success-actions {
        flex-direction: column;
        align-items: center;
    }

    .success-actions .button {
        width: 100%;
        max-width: 300px;
    }
}

@media (max-width: 480px) {
    .header-text h1 {
        font-size: 1.5rem;
    }

    #problem-form-section h2 {
        font-size: 1.8rem;
    }

    .container {
        padding: 1rem;
    }

    .form-group input[type="text"],
    .form-group input[type="email"],
    .form-group select,
    .form-group textarea {
        padding: 0.8rem;
    }
}

/* Form validation styles */
.form-group input:invalid,
.form-group select:invalid,
.form-group textarea:invalid {
    border-color: var(--error-color);
}

.form-group input:valid,
.form-group select:valid,
.form-group textarea:valid {
    border-color: var(--success-color);
}

/* Loading state */
.button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Focus styles for accessibility */
.button:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: 2px solid var(--pulse-color);
    outline-offset: 2px;
}