/* Widget Card Surface */
.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 24px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
}

.glass-card:hover {
    border-color: var(--border-hover);
}

/* Form Styles */
.form-group {
    margin-bottom: 22px;
}

.form-label {
    display: block;
    font-size: 11px;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.form-control {
    width: 100%;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-primary);
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%237a7a7a'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    appearance: none;
    padding-right: 36px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 22px;
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 999px;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
    gap: 8px;
    line-height: 1;
}

.btn-primary {
    background: var(--primary);
    color: #FFFFFF;
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    border-color: var(--border-color);
    color: var(--text-primary);
    background: #FFFFFF;
}

.btn-secondary:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.tab-btn.active {
    background: var(--primary) !important;
    color: #FFFFFF !important;
    border-color: var(--primary) !important;
    box-shadow: 0 4px 14px var(--primary-glow) !important;
}

.btn-danger {
    background: rgba(255, 121, 53, 0.1);
    color: var(--danger);
    border: 1px solid rgba(255, 121, 53, 0.25);
}

.btn-danger:hover {
    background: rgba(255, 121, 53, 0.18);
}

/* Ghost Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 999px;
    line-height: 1.4;
}

.badge-paid {
    background: var(--success-glow);
    color: var(--success);
    border: 1px solid rgba(12, 151, 98, 0.25);
}

.badge-pending {
    background: var(--warning-glow);
    color: var(--warning);
    border: 1px solid rgba(242, 169, 59, 0.25);
}

.badge-overdue {
    background: var(--danger-glow);
    color: var(--danger);
    border: 1px solid rgba(255, 121, 53, 0.25);
}

.badge-partial {
    background: var(--warning-glow);
    color: var(--warning);
    border: 1px solid rgba(242, 169, 59, 0.3);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(20, 20, 20, 0.35);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.modal-content {
    background: var(--bg-card);
    width: 100%;
    max-width: 500px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    animation: modalSlideIn 0.25s var(--ease-out);
}

@keyframes modalSlideIn {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}