/* Base styling */
body {
    margin: 0;
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    background-attachment: scroll !important;
    background-position: center top !important;
    background-size: cover !important;
    background-repeat: no-repeat !important;
    color: #fff;
    overflow-x: hidden;
    text-align: center;
    font-size: 16px;
    line-height: 1.5;
}

/* Container and form styling */
.rsvp-container {
    padding: 1rem;
    max-width: 500px;
    margin: 2vh auto;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(255,255,255,0.1);
    box-sizing: border-box;
}

.rsvp-form {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    min-height: 300px;
}

.form-content {
    flex: 1;
    position: relative;
    display: flex;
    flex-direction: column;
}

.questions-wrapper {
    position: relative;
    width: 100%;
    flex: 1;
}

.question {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    pointer-events: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    transition: opacity 0.3s ease;
    box-sizing: border-box;
    padding: 1rem 0.5rem;
    text-align: center;
    height: 0;
    overflow: hidden;
}

.question.hidden {
    display: none !important;
}

.question.active {
    opacity: 1;
    pointer-events: auto;
    position: relative;
    height: auto;
    overflow: visible;
}

/* Common width for interactive elements */
.question input,
.question select,
.question textarea,
.question button,
.progress-tracker {
    width: 280px;
    max-width: 90%;
    margin-left: auto;
    margin-right: auto;
}

/* Progress section */
.progress-section {
    position: relative;
    width: 100%;
    padding: 0.2rem 0;
    margin-top: auto;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 0 0 10px 10px;
}

.progress-bar {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: #fff;
    border-radius: 4px;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
    transition: width 0.3s ease;
    width: 0;
}

.question label {
    margin-bottom: 0.75rem;
    font-weight: bold;
    font-size: 1.1em;
}

.question .subtext {
    font-size: 1.0625em;
    color: rgba(255, 255, 255, 0.8);
    margin: -0.5rem 0 0.75rem;
    max-width: 280px;
    margin-left: auto;
    margin-right: auto;
}

.question input,
.question select,
.question textarea {
    padding: 0.75rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    margin-bottom: 0.75rem;
    font-size: 16px;
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
    box-sizing: border-box;
    -webkit-appearance: none;
    appearance: none;
}

.question input:focus,
.question select:focus,
.question textarea:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

/* Number input styling */
.question input[type="number"] {
    -moz-appearance: textfield; /* Firefox */
}

.question input[type="number"]::-webkit-outer-spin-button,
.question input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    background: rgba(255, 255, 255, 0.1);
    height: 100%;
    margin: 0;
    cursor: pointer;
    display: block;
    position: absolute;
    right: 0;
    top: 0;
    width: 30px;
}

.question input[type="number"]::-webkit-inner-spin-button {
    position: relative;
    opacity: 1;
}

.question input[type="number"]:hover::-webkit-inner-spin-button {
    background: rgba(255, 255, 255, 0.2);
}

/* Dynamic inputs styling */
.dynamic-inputs {
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
}

.dynamic-input-wrapper {
    margin-bottom: 1rem;
    animation: fadeIn 0.3s ease;
}

.dynamic-input-wrapper:last-child {
    margin-bottom: 0.75rem;
}

.dynamic-input-wrapper label {
    display: block;
    font-size: 1.125em;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
}

.dynamic-input-wrapper input {
    width: 100%;
    margin-bottom: 0;
}

.question select {
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='white'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.7em top 50%;
    background-size: 1.2em auto;
    padding-right: 2.5em;
}

.question button {
    padding: 0.75rem 2rem;
    background: #fff;
    color: #000;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
    font-size: 1em;
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
    white-space: nowrap;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.4);
}

.question button:hover {
    background: #f0f0f0;
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.5);
}

/* Fireworks styling */
.fireworks {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: none;
    pointer-events: none;
}

.fireworks canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.fireworks-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    transition: background 1.5s ease;
}

.fireworks-overlay.fade-in {
    background: rgba(0, 0, 0, 1);
}

/* Loading state */
.submit-btn.loading {
    position: relative;
    color: transparent;
}

.submit-btn.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    top: 50%;
    left: 50%;
    margin: -10px 0 0 -10px;
    border: 2px solid rgba(0, 0, 0, 0.3);
    border-top-color: #000;
    border-radius: 50%;
    animation: button-loading-spinner 1s ease infinite;
}

@keyframes button-loading-spinner {
    from {
        transform: rotate(0turn);
    }
    to {
        transform: rotate(1turn);
    }
}

/* Responsive adjustments */
@media (max-width: 600px) {
    body {
        font-size: 18.75px;
    }

    .rsvp-container {
        padding: 0.75rem;
        margin-top: 2vh;
        width: 92%;
        max-width: none;
    }

    .question {
        padding: 0.25rem;
    }

    .question input,
    .question select,
    .question textarea,
    .question button,
    .progress-tracker {
        width: 100%;
    }

    .question label {
        font-size: 1em;
        margin-bottom: 0.5rem;
    }

    .progress-tracker {
        margin-top: 1rem;
    }

    .dynamic-inputs {
        max-width: 100%;
    }
}
  
/* Fade-in animation for questions */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.question.active {
    animation: fadeIn 0.3s ease forwards;
}