/* admin.css */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    min-height: 100vh;
}

.admin-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 30px;
    border-radius: 15px;
    margin-bottom: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 2em;
}

header p {
    font-size: 1.1em;
    opacity: 0.9;
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
    padding: 10px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.3s;
}

.btn-logout:hover {
    background: white;
    color: #667eea;
}

/* Login Screen */
.login-screen {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.login-box {
    background: white;
    padding: 40px;
    border-radius: 20px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: fadeIn 0.5s ease;
}

.login-box h2 {
    text-align: center;
    color: #2d3748;
    margin-bottom: 30px;
}

/* Admin Content */
.admin-content {
    animation: fadeIn 0.5s ease;
}

.oculto {
    display: none !important;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.stat-card h3 {
    color: #4a5568;
    font-size: 0.9em;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-card p {
    font-size: 2.5em;
    font-weight: 700;
    color: #2d3748;
    margin-top: 10px;
}

.admin-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 30px;
}

.action-card {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.action-card h3 {
    color: #2d3748;
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: #4a5568;
    font-weight: 600;
    font-size: 0.9em;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 1em;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group small {
    display: block;
    margin-top: 5px;
    color: #718096;
    font-size: 0.8em;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.btn-danger {
    background: #fc8181;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-danger:hover {
    background: #e53e3e;
    transform: scale(1.05);
}

/* Guest List */
.guest-list {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.guest-list h3 {
    color: #2d3748;
    margin-bottom: 20px;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #f7fafc;
}

th {
    padding: 12px;
    text-align: left;
    color: #4a5568;
    font-weight: 600;
    border-bottom: 2px solid #e2e8f0;
}

td {
    padding: 12px;
    border-bottom: 1px solid #e2e8f0;
}

tr:hover {
    background: #f7fafc;
}

.text-center {
    text-align: center;
    color: #718096;
}

/* Result Messages */
#uploadResult {
    margin-top: 15px;
    padding: 10px;
    border-radius: 6px;
}

.result-success {
    background: #c6f6d5;
    color: #2f855a;
    border: 1px solid #48bb78;
    padding: 10px;
    border-radius: 6px;
}

.result-error {
    background: #fed7d7;
    color: #c53030;
    border: 1px solid #fc8181;
    padding: 10px;
    border-radius: 6px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-actions {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    header {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .login-box {
        margin: 20px;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}