* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --pink-light: #fce4ec;
    --pink-medium: #f8bbd9;
    --pink-dark: #e91e8c;
    --purple-light: #e1bee7;
    --purple-medium: #9c27b0;
    --purple-dark: #7b1fa2;
    --gold: #c9a227;
    --gold-light: #d4af37;
    --white: #ffffff;
    --text-dark: #4a4a4a;
}

body {
    font-family: 'Quicksand', sans-serif;
    background: linear-gradient(180deg, #f8bbd9 0%, #fce4ec 50%, #fff 100%);
    min-height: 100vh;
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 20px;
}

/* Invitation Card */
.invitation-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(156, 39, 176, 0.15);
    overflow: hidden;
}

.invitation-image {
    width: 100%;
    height: auto;
    display: block;
}

.party-details {
    padding: 30px;
    text-align: center;
}

.party-details h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.4rem;
    color: var(--purple-medium);
    margin-bottom: 5px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hosted-by {
    color: var(--gold);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.description {
    font-size: 1.1rem;
    color: var(--purple-dark);
    margin-bottom: 20px;
}

.info-section {
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--purple-light) 100%);
    padding: 15px 20px;
    border-radius: 15px;
    margin-bottom: 25px;
}

.info-section p {
    margin: 5px 0;
    font-weight: 500;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 25px;
}

.detail {
    display: flex;
    flex-direction: column;
}

.detail .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--gold);
    font-weight: 700;
    margin-bottom: 5px;
}

.detail .value {
    font-size: 1rem;
    color: var(--text-dark);
    font-weight: 500;
}

.notes {
    padding-top: 20px;
    border-top: 2px dashed var(--pink-medium);
}

.notes p {
    margin: 5px 0;
    font-size: 0.95rem;
}

/* RSVP Section */
.rsvp-section {
    background: linear-gradient(135deg, var(--purple-light) 0%, var(--pink-light) 100%);
    padding: 30px;
}

.rsvp-section h2 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2rem;
    color: var(--purple-dark);
    text-align: center;
    margin-bottom: 25px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

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

.form-row {
    display: flex;
    gap: 15px;
}

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

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--purple-dark);
    font-size: 0.9rem;
}

input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--pink-medium);
    border-radius: 10px;
    font-family: 'Quicksand', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    background: var(--white);
}

input[type="text"]:focus,
input[type="number"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--purple-medium);
    box-shadow: 0 0 0 3px rgba(156, 39, 176, 0.1);
}

input[type="number"] {
    text-align: center;
}

textarea {
    resize: vertical;
    min-height: 60px;
}

.submit-btn {
    width: 100%;
    padding: 15px 30px;
    background: linear-gradient(135deg, var(--purple-medium) 0%, var(--pink-dark) 100%);
    color: var(--white);
    border: none;
    border-radius: 50px;
    font-family: 'Quicksand', sans-serif;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 15px rgba(156, 39, 176, 0.3);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(156, 39, 176, 0.4);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.guest-list-link {
    text-align: center;
    margin-top: 20px;
}

.guest-list-link a {
    color: var(--purple-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.guest-list-link a:hover {
    color: var(--pink-dark);
    text-decoration: underline;
}

/* Guest List Page */
.guest-list-card {
    background: var(--white);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(156, 39, 176, 0.15);
    overflow: hidden;
    padding: 30px;
}

.guest-header {
    text-align: center;
    margin-bottom: 30px;
}

.guest-header h1 {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.6rem;
    color: var(--purple-medium);
    margin-bottom: 5px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.guest-header .subtitle {
    color: var(--gold);
    font-weight: 600;
}

.stats {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 30px;
    padding: 20px;
    background: linear-gradient(135deg, var(--pink-light) 0%, var(--purple-light) 100%);
    border-radius: 15px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--purple-dark);
}

.stat-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--gold);
    font-weight: 600;
}

.guest-list {
    margin-bottom: 30px;
}

.guest-item {
    padding: 15px;
    margin-bottom: 10px;
    background: var(--pink-light);
    border-radius: 12px;
    border-left: 4px solid var(--purple-medium);
}

.guest-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--purple-dark);
    margin-bottom: 5px;
}

.guest-count {
    display: flex;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--text-dark);
}

.guest-count span {
    background: var(--white);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 500;
}

.guest-notes {
    margin-top: 8px;
    font-size: 0.85rem;
    color: var(--text-dark);
    padding-top: 8px;
    border-top: 1px dashed var(--pink-medium);
}

.notes-label {
    font-weight: 600;
    color: var(--purple-dark);
    font-style: normal;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--purple-medium);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--pink-light);
    border-top-color: var(--purple-medium);
    border-radius: 50%;
    margin: 0 auto 15px;
    animation: spin 1s linear infinite;
}

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

.empty-state,
.error-state {
    text-align: center;
    padding: 40px;
    background: var(--pink-light);
    border-radius: 15px;
}

.empty-state p:first-child,
.error-state p:first-child {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--purple-dark);
    margin-bottom: 5px;
}

.error-state button {
    margin-top: 15px;
    padding: 10px 25px;
    background: var(--purple-medium);
    color: var(--white);
    border: none;
    border-radius: 25px;
    font-family: 'Quicksand', sans-serif;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.error-state button:hover {
    background: var(--purple-dark);
}

.back-link {
    text-align: center;
    padding-top: 20px;
    border-top: 2px dashed var(--pink-medium);
}

.back-link a {
    color: var(--purple-dark);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.2s;
}

.back-link a:hover {
    color: var(--pink-dark);
}

/* Responsive */
@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .party-details,
    .rsvp-section,
    .guest-list-card {
        padding: 20px;
    }

    .party-details h1 {
        font-size: 1.6rem;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    .stats {
        gap: 15px;
        padding: 15px;
    }

    .stat-number {
        font-size: 1.5rem;
    }
}