/**
 * Conference Manager - Modern UI Styles
 */

/* General Container */
#conf-registration-container {
    max-width: 800px;
    margin: 40px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    color: #2c3e50;
    line-height: 1.6;
}

/* Card Layout */
.conf-card {
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    padding: 30px;
    margin-bottom: 24px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.conf-card:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
}

/* Typography */
#conf-registration-container h1, 
#conf-registration-container h2, 
#conf-registration-container h3 {
    color: #1a2a3a;
    font-weight: 700;
    margin-top: 0;
}

#conf-registration-container h2 {
    font-size: 24px;
    border-bottom: 2px solid #3498db;
    padding-bottom: 12px;
    margin-bottom: 24px;
}

/* Progress Stepper */
.conf-stepper {
    display: flex;
    justify-content: space-between;
    margin-bottom: 40px;
    position: relative;
}

.conf-stepper::before {
    content: "";
    position: absolute;
    top: 15px;
    left: 0;
    right: 0;
    height: 2px;
    background: #e0e6ed;
    z-index: 1;
}

.conf-step {
    position: relative;
    z-index: 2;
    background: #ffffff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid #e0e6ed;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #a0aec0;
}

.conf-step.active {
    border-color: #3498db;
    background: #3498db;
    color: #ffffff;
}

.conf-step.completed {
    border-color: #2ecc71;
    background: #2ecc71;
    color: #ffffff;
}

/* Form Styling */
.conf-form-group {
    margin-bottom: 20px;
}

.conf-form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.conf-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.conf-input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.15);
}

/* Buttons */
.conf-btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    font-size: 16px;
    text-align: center;
}

.conf-btn-primary {
    background: #3498db;
    color: #ffffff;
}

.conf-btn-primary:hover {
    background: #2980b9;
    transform: translateY(-1px);
}

.conf-btn-secondary {
    background: #f1f5f9;
    color: #475569;
}

.conf-btn-secondary:hover {
    background: #e2e8f0;
}

.conf-btn-danger {
    background: #fee2e2;
    color: #dc2626;
}

/* Attendee Rows */
.attendee-card {
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 16px;
    position: relative;
    background: #f8fafc;
}

.remove-attendee {
    position: absolute;
    top: 15px;
    right: 15px;
    color: #94a3b8;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
}

.remove-attendee:hover {
    color: #dc2626;
}

/* Ticket Options */
.ticket-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.ticket-card {
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.ticket-card.selected {
    border-color: #3498db;
    background: #ebf8ff;
}

.ticket-price {
    font-size: 24px;
    font-weight: bold;
    color: #2c3e50;
    margin: 12px 0;
}

/* Dashboard Table */
.conf-table {
    width: 100%;
    border-collapse: collapse;
}

.conf-table th {
    text-align: left;
    padding: 12px;
    background: #f8fafc;
    border-bottom: 2px solid #e2e8f0;
    font-weight: 600;
}

.conf-table td {
    padding: 12px;
    border-bottom: 1px solid #f1f5f9;
}

/* Status Badges */
.conf-badge {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-paid { background: #dcfce7; color: #166534; }
.badge-pending { background: #fef9c3; color: #854d0e; }
.badge-unpaid { background: #fee2e2; color: #991b1b; }

/* Responsive */
@media (max-width: 640px) {
    #conf-registration-container {
        margin: 20px 10px;
    }
    .conf-card {
        padding: 20px;
    }
}